From 09830f0ea2af8066e5fec53e2871f2ee975ce958 Mon Sep 17 00:00:00 2001
From: Vladimir Enchev <vladimir.enchev@gmail.com>
Date: Tue, 3 Feb 2026 07:46:32 +0200
Subject: [PATCH] DataGrid possible memory leak fixed

---
 Radzen.Blazor/RadzenDataGrid.razor.cs | 53 +++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/Radzen.Blazor/RadzenDataGrid.razor.cs b/Radzen.Blazor/RadzenDataGrid.razor.cs
index e9329b2e..fe396d34 100644
--- a/Radzen.Blazor/RadzenDataGrid.razor.cs
+++ b/Radzen.Blazor/RadzenDataGrid.razor.cs
@@ -3590,6 +3590,59 @@ namespace Radzen.Blazor
                 }
             }
 
+            if (expandedItems != null)
+            {
+                expandedItems.Clear();
+            }
+
+            if (editedItems != null)
+            {
+                editedItems.Clear();
+            }
+
+            if (editContexts != null)
+            {
+                editContexts.Clear();
+            }
+
+            if (childData != null)
+            {
+                childData.Clear();
+            }
+
+            if (selectedItems != null)
+            {
+                selectedItems.Clear();
+            }
+
+            if (rowSpans != null)
+            {
+                rowSpans.Clear();
+            }
+
+            if (columns != null)
+            {
+                columns.Clear();
+            }
+
+            if (allPickableColumns != null)
+            {
+                allPickableColumns.Clear();
+            }
+
+            if (allColumns != null)
+            {
+                allColumns.Clear();
+            }
+
+            if (childColumns != null)
+            {
+                childColumns.Clear();
+            }
+
+            _value = null;
+            Data = null;
+
             GC.SuppressFinalize(this);
         }