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455 lines
18 KiB
C#
455 lines
18 KiB
C#
/******************************************************************************
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// Canary Islands Computer Museum Website
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// ----------------------------------------------------------------------------
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//
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// Filename : Console.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains operations to manage videogame consoles.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2003-2018 Natalia Portillo
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*******************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Data;
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using Console = Cicm.Database.Schemas.Console;
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namespace Cicm.Database
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{
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public partial class Operations
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{
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/// <summary>
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/// Gets all consoles
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/// </summary>
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/// <param name="entries">All consoles</param>
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/// <returns><c>true</c> if <see cref="entries" /> is correct, <c>false</c> otherwise</returns>
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public bool GetConsoles(out List<Console> entries)
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{
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#if DEBUG
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System.Console.WriteLine("Getting all consoles...");
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#endif
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try
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{
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const string SQL = "SELECT * from consoles";
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IDbCommand dbCmd = dbCon.CreateCommand();
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IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter();
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dbCmd.CommandText = SQL;
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DataSet dataSet = new DataSet();
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dataAdapter.SelectCommand = dbCmd;
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dataAdapter.Fill(dataSet);
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entries = ConsolesFromDataTable(dataSet.Tables[0]);
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return true;
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}
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catch(Exception ex)
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{
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System.Console.WriteLine("Error getting consoles.");
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System.Console.WriteLine(ex);
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entries = null;
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return false;
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}
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}
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/// <summary>
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/// Gets all consoles from specified company
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/// </summary>
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/// <param name="entries">All consoles</param>
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/// <param name="company">Company id</param>
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/// <returns><c>true</c> if <see cref="entries" /> is correct, <c>false</c> otherwise</returns>
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public bool GetConsoles(out List<Console> entries, int company)
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{
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#if DEBUG
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System.Console.WriteLine("Getting all consoles from company id {0}...", company);
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#endif
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try
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{
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const string SQL = "SELECT * from consoles WHERE company = '{id}'";
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IDbCommand dbCmd = dbCon.CreateCommand();
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IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter();
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dbCmd.CommandText = SQL;
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DataSet dataSet = new DataSet();
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dataAdapter.SelectCommand = dbCmd;
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dataAdapter.Fill(dataSet);
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entries = ConsolesFromDataTable(dataSet.Tables[0]);
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return true;
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}
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catch(Exception ex)
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{
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System.Console.WriteLine("Error getting consoles.");
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System.Console.WriteLine(ex);
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entries = null;
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return false;
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}
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}
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/// <summary>
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/// Gets the specified number of videogame consoles since the specified start
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/// </summary>
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/// <param name="entries">List of videogame consoles</param>
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/// <param name="start">Start of query</param>
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/// <param name="count">How many entries to retrieve</param>
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/// <returns><c>true</c> if <see cref="entries" /> is correct, <c>false</c> otherwise</returns>
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public bool GetConsoles(out List<Console> entries, ulong start, ulong count)
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{
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#if DEBUG
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System.Console.WriteLine("Getting {0} consoles from {1}...", count, start);
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#endif
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try
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{
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string sql = $"SELECT * FROM consoles LIMIT {start}, {count}";
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IDbCommand dbCmd = dbCon.CreateCommand();
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IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter();
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dbCmd.CommandText = sql;
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DataSet dataSet = new DataSet();
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dataAdapter.SelectCommand = dbCmd;
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dataAdapter.Fill(dataSet);
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entries = ConsolesFromDataTable(dataSet.Tables[0]);
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return true;
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}
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catch(Exception ex)
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{
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System.Console.WriteLine("Error getting consoles.");
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System.Console.WriteLine(ex);
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entries = null;
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return false;
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}
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}
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/// <summary>
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/// Gets videogame console by specified id
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/// </summary>
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/// <param name="id">Id</param>
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/// <returns>Videogame console with specified id, <c>null</c> if not found or error</returns>
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public Console GetConsole(int id)
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{
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#if DEBUG
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System.Console.WriteLine("Getting console with id {0}...", id);
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#endif
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try
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{
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string sql = $"SELECT * from consoles WHERE id = '{id}'";
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IDbCommand dbCmd = dbCon.CreateCommand();
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IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter();
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dbCmd.CommandText = sql;
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DataSet dataSet = new DataSet();
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dataAdapter.SelectCommand = dbCmd;
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dataAdapter.Fill(dataSet);
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List<Console> entries = ConsolesFromDataTable(dataSet.Tables[0]);
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return entries == null || entries.Count == 0 ? null : entries[0];
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}
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catch(Exception ex)
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{
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System.Console.WriteLine("Error getting console.");
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System.Console.WriteLine(ex);
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return null;
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}
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}
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/// <summary>
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/// Counts the number of videogame consoles in the database
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/// </summary>
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/// <returns>Entries in database</returns>
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public long CountConsoles()
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{
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#if DEBUG
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System.Console.WriteLine("Counting consoles...");
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#endif
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IDbCommand dbcmd = dbCon.CreateCommand();
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dbcmd.CommandText = "SELECT COUNT(*) FROM consoles";
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object count = dbcmd.ExecuteScalar();
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dbcmd.Dispose();
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try { return Convert.ToInt64(count); }
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catch { return 0; }
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}
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/// <summary>
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/// Adds a new videogame console to the database
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/// </summary>
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/// <param name="entry">Entry to add</param>
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/// <param name="id">ID of added entry</param>
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/// <returns><c>true</c> if added correctly, <c>false</c> otherwise</returns>
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public bool AddConsole(Console entry, out long id)
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{
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#if DEBUG
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System.Console.Write("Adding console `{0}`...", entry.Name);
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#endif
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IDbCommand dbcmd = GetCommandConsole(entry);
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IDbTransaction trans = dbCon.BeginTransaction();
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dbcmd.Transaction = trans;
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const string SQL =
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"INSERT INTO consoles (company, year, name, cpu1, mhz1, cpu2, mhz2, bits, ram, rom, gpu, vram, colors, res, spu, mpu, schannels, mchannels, palette, format, cap, comments)" +
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" VALUES (@company, @year, @name, @cpu1, @mhz1, @cpu2, @mhz2, @bits, @ram, @rom, @gpu, @vram, @colors, @res, @spu, @mpu, @schannels, @mchannels, @palette, @format, @cap, @comments)";
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dbcmd.CommandText = SQL;
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dbcmd.ExecuteNonQuery();
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trans.Commit();
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dbcmd.Dispose();
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id = dbCore.LastInsertRowId;
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#if DEBUG
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System.Console.WriteLine(" id {0}", id);
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#endif
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return true;
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}
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/// <summary>
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/// Updated an videogame console in the database
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/// </summary>
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/// <param name="entry">Updated entry</param>
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/// <returns><c>true</c> if updated correctly, <c>false</c> otherwise</returns>
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public bool UpdateConsole(Console entry)
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{
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#if DEBUG
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System.Console.WriteLine("Updating console `{0}`...", entry.Name);
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#endif
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IDbCommand dbcmd = GetCommandConsole(entry);
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IDbTransaction trans = dbCon.BeginTransaction();
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dbcmd.Transaction = trans;
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string sql =
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"UPDATE consoles SET company = @company, year = @year, name = @name, cpu1 = @cpu1, mhz1 = @mhz1, cpu2 = @cpu2, " +
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"mhz2 = @mhz2, bits = @bits, ram = @ram, rom = @rom, gpu = @gpu, vram = @vram, colors = @colors, res = @res, spu = @spu, mpu = @mpu " +
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"schannels = @schannels, mchannels = @mchannels, palette = @palette, format = @format, cap = @cap, comments = @comments " +
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$"WHERE id = {entry.Id}";
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dbcmd.CommandText = sql;
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dbcmd.ExecuteNonQuery();
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trans.Commit();
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dbcmd.Dispose();
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return true;
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}
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/// <summary>
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/// Removes a videogame console from the database
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/// </summary>
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/// <param name="id">ID of entry to remove</param>
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/// <returns><c>true</c> if removed correctly, <c>false</c> otherwise</returns>
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public bool RemoveConsole(long id)
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{
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#if DEBUG
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System.Console.WriteLine("Removing console widh id `{0}`...", id);
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#endif
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IDbCommand dbcmd = dbCon.CreateCommand();
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IDbTransaction trans = dbCon.BeginTransaction();
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dbcmd.Transaction = trans;
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string sql = $"DELETE FROM consoles WHERE id = '{id}';";
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dbcmd.CommandText = sql;
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dbcmd.ExecuteNonQuery();
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trans.Commit();
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dbcmd.Dispose();
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return true;
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}
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IDbCommand GetCommandConsole(Console entry)
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{
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IDbCommand dbcmd = dbCon.CreateCommand();
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IDbDataParameter param1 = dbcmd.CreateParameter();
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IDbDataParameter param2 = dbcmd.CreateParameter();
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IDbDataParameter param3 = dbcmd.CreateParameter();
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IDbDataParameter param4 = dbcmd.CreateParameter();
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IDbDataParameter param5 = dbcmd.CreateParameter();
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IDbDataParameter param6 = dbcmd.CreateParameter();
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IDbDataParameter param7 = dbcmd.CreateParameter();
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IDbDataParameter param8 = dbcmd.CreateParameter();
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IDbDataParameter param9 = dbcmd.CreateParameter();
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IDbDataParameter param10 = dbcmd.CreateParameter();
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IDbDataParameter param11 = dbcmd.CreateParameter();
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IDbDataParameter param12 = dbcmd.CreateParameter();
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IDbDataParameter param13 = dbcmd.CreateParameter();
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IDbDataParameter param14 = dbcmd.CreateParameter();
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IDbDataParameter param15 = dbcmd.CreateParameter();
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IDbDataParameter param16 = dbcmd.CreateParameter();
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IDbDataParameter param17 = dbcmd.CreateParameter();
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IDbDataParameter param18 = dbcmd.CreateParameter();
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IDbDataParameter param19 = dbcmd.CreateParameter();
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IDbDataParameter param20 = dbcmd.CreateParameter();
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IDbDataParameter param21 = dbcmd.CreateParameter();
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IDbDataParameter param22 = dbcmd.CreateParameter();
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param1.ParameterName = "@company";
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param2.ParameterName = "@year";
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param3.ParameterName = "@name";
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param4.ParameterName = "@cpu1";
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param5.ParameterName = "@mhz1";
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param6.ParameterName = "@cpu2";
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param7.ParameterName = "@mhz2";
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param8.ParameterName = "@bits";
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param9.ParameterName = "@ram";
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param10.ParameterName = "@rom";
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param11.ParameterName = "@gpu";
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param12.ParameterName = "@vram";
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param13.ParameterName = "@colors";
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param14.ParameterName = "@res";
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param15.ParameterName = "@spu";
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param16.ParameterName = "@mpu";
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param17.ParameterName = "@schannels";
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param18.ParameterName = "@mchannels";
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param19.ParameterName = "@palette";
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param20.ParameterName = "@format";
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param21.ParameterName = "@cap";
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param22.ParameterName = "@comments";
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param1.DbType = DbType.Int32;
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param2.DbType = DbType.Int32;
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param3.DbType = DbType.String;
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param4.DbType = DbType.Int32;
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param5.DbType = DbType.Double;
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param6.DbType = DbType.Int32;
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param7.DbType = DbType.Double;
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param8.DbType = DbType.Int32;
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param9.DbType = DbType.Int32;
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param10.DbType = DbType.Int32;
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param11.DbType = DbType.Int32;
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param12.DbType = DbType.Int32;
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param13.DbType = DbType.Int32;
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param14.DbType = DbType.String;
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param15.DbType = DbType.Int32;
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param16.DbType = DbType.Int32;
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param17.DbType = DbType.Int32;
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param18.DbType = DbType.Int32;
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param19.DbType = DbType.Int32;
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param20.DbType = DbType.Int32;
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param21.DbType = DbType.Int32;
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param22.DbType = DbType.String;
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param1.Value = entry.Company;
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param2.Value = entry.Year;
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param3.Value = entry.Name;
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param4.Value = entry.Cpu1;
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param5.Value = entry.Mhz1;
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param6.Value = entry.Cpu2;
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param7.Value = entry.Mhz2;
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param8.Value = entry.Bits;
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param9.Value = entry.Ram;
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param10.Value = entry.Rom;
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param11.Value = entry.Gpu;
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param12.Value = entry.Vram;
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param13.Value = entry.Colors;
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param14.Value = entry.Resolution;
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param15.Value = entry.Spu;
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param16.Value = entry.Mpu;
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param17.Value = entry.SoundChannels;
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param18.Value = entry.MusicChannels;
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param19.Value = entry.Palette;
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param20.Value = entry.Format;
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param21.Value = entry.Cap;
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param22.Value = entry.Comments;
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dbcmd.Parameters.Add(param1);
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dbcmd.Parameters.Add(param2);
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dbcmd.Parameters.Add(param3);
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dbcmd.Parameters.Add(param4);
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dbcmd.Parameters.Add(param5);
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dbcmd.Parameters.Add(param6);
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dbcmd.Parameters.Add(param7);
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dbcmd.Parameters.Add(param8);
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dbcmd.Parameters.Add(param9);
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dbcmd.Parameters.Add(param10);
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dbcmd.Parameters.Add(param11);
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dbcmd.Parameters.Add(param12);
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dbcmd.Parameters.Add(param13);
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dbcmd.Parameters.Add(param14);
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dbcmd.Parameters.Add(param15);
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dbcmd.Parameters.Add(param16);
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dbcmd.Parameters.Add(param17);
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dbcmd.Parameters.Add(param18);
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dbcmd.Parameters.Add(param19);
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dbcmd.Parameters.Add(param20);
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dbcmd.Parameters.Add(param21);
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dbcmd.Parameters.Add(param22);
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return dbcmd;
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}
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static List<Console> ConsolesFromDataTable(DataTable dataTable)
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{
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List<Console> entries = new List<Console>();
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foreach(DataRow dataRow in dataTable.Rows)
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{
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Console entry = new Console
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{
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Id = int.Parse(dataRow["id"].ToString()),
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Company = int.Parse(dataRow["company"].ToString()),
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Year = int.Parse(dataRow["year"].ToString()),
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Name = dataRow["name"].ToString(),
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Cpu1 = int.Parse(dataRow["cpu1"].ToString()),
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Mhz1 = float.Parse(dataRow["mhz1"].ToString()),
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Cpu2 = string.IsNullOrEmpty(dataRow["cpu2"].ToString())
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? 0
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: int.Parse(dataRow["cpu2"].ToString()),
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Mhz2 =
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string.IsNullOrEmpty(dataRow["mhz2"].ToString()) ? 0 : float.Parse(dataRow["mhz2"].ToString()),
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Bits = int.Parse(dataRow["bits"].ToString()),
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Ram = int.Parse(dataRow["ram"].ToString()),
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Rom = int.Parse(dataRow["rom"].ToString()),
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Gpu = int.Parse(dataRow["gpu"].ToString()),
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Vram = int.Parse(dataRow["vram"].ToString()),
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Colors = int.Parse(dataRow["colors"].ToString()),
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Resolution = dataRow["res"].ToString(),
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Spu = int.Parse(dataRow["spu"].ToString()),
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Mpu = int.Parse(dataRow["mpu"].ToString()),
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SoundChannels = int.Parse(dataRow["schannels"].ToString()),
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MusicChannels = int.Parse(dataRow["mchannels"].ToString()),
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Palette = int.Parse(dataRow["palette"].ToString()),
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Format = int.Parse(dataRow["format"].ToString()),
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Cap = int.Parse(dataRow["cap"].ToString()),
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Comments = dataRow["comments"].ToString()
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};
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entries.Add(entry);
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}
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return entries;
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}
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}
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} |