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Code Issues 1.3k Packages Projects Releases 22 Wiki Activity

DataGrid GroupRowRenderEventArgs Expandable property added

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This commit is contained in:
Vladimir Enchev
2026-02-02 12:09:40 +02:00
parent 482eca3278
commit d34e0684fb
4 changed files with 15 additions and 4 deletions
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6
Radzen.Blazor/GroupRowRenderEventArgs.cs
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@@ -17,6 +17,12 @@ public class GroupRowRenderEventArgs
/// </summary> /// </summary>
public Group? Group { get; internal set; } public Group? Group { get; internal set; }
/// <summary>
/// Gets or sets a value indicating whether this group row is expandable.
/// </summary>
/// <value><c>true</c> if expandable; otherwise, <c>false</c>.</value>
public bool Expandable { get; set; }
/// <summary> /// <summary>
/// Gets or sets a value indicating whether this group row is expanded. /// Gets or sets a value indicating whether this group row is expanded.
/// </summary> /// </summary>

2
Radzen.Blazor/RadzenDataGrid.razor.cs
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@@ -2510,7 +2510,7 @@ namespace Radzen.Blazor
internal Tuple<GroupRowRenderEventArgs, IReadOnlyDictionary<string, object>> GroupRowAttributes(RadzenDataGridGroupRow<TItem> item) internal Tuple<GroupRowRenderEventArgs, IReadOnlyDictionary<string, object>> GroupRowAttributes(RadzenDataGridGroupRow<TItem> item)
{ {
var args = new Radzen.GroupRowRenderEventArgs() { Group = item.Group, FirstRender = firstRender }; var args = new Radzen.GroupRowRenderEventArgs() { Group = item.Group, FirstRender = firstRender, Expandable = item.GroupResult.Count > 0 };
if (GroupRowRender != null) if (GroupRowRender != null)
{ {

9
Radzen.Blazor/RadzenDataGridGroupRow.razor
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@@ -26,9 +26,12 @@
} }
<td class="rz-col-icon"> <td class="rz-col-icon">
<span class="rz-column-title"></span> <span class="rz-column-title"></span>
<a id="@(Grid.GridId() + Group.GetHashCode())" aria-label=@Grid.ExpandGroupAriaLabel @onclick:preventDefault="true" @onclick="@(_ => Grid.ExpandGroupItem(this, rowArgs?.Item1.Expanded))"> @if (rowArgs?.Item1.Expandable == true)
<span class="@(Grid.ExpandedGroupItemStyle(this, Grid.allGroupsExpanded != null ? Grid.allGroupsExpanded : rowArgs?.Item1.Expanded))"></span> {
</a> <a id="@(Grid.GridId() + Group.GetHashCode())" aria-label=@Grid.ExpandGroupAriaLabel @onclick:preventDefault="true" @onclick="@(_ => Grid.ExpandGroupItem(this, rowArgs?.Item1.Expanded))">
<span class="@(Grid.ExpandedGroupItemStyle(this, Grid.allGroupsExpanded != null ? Grid.allGroupsExpanded : rowArgs?.Item1.Expanded))"></span>
</a>
}
</td> </td>
} }
<td colspan="@(TotalColumnCount + (Grid?.Groups.Count ?? 0) - 1 - Group.Level + ((Grid?.Template != null && Grid?.ShowExpandColumn == true) ? 1 : 0))"> <td colspan="@(TotalColumnCount + (Grid?.Groups.Count ?? 0) - 1 - Group.Level + ((Grid?.Template != null && Grid?.ShowExpandColumn == true) ? 1 : 0))">

2
RadzenBlazorDemos/Pages/DataGridGroupingApi.razor
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@@ -85,6 +85,8 @@
{ {
args.Expanded = allGroupsExpanded != null ? allGroupsExpanded : false; args.Expanded = allGroupsExpanded != null ? allGroupsExpanded : false;
} }
args.Expandable = args.Group.Data.Key != "Vice President, Sales";
} }
void OnGroupRowExpand(Group group) void OnGroupRowExpand(Group group)