DropDownDataGrid Cannot read properties of undefined (reading 'classL…

…ist') error fixed
radzenhq · Aug 30, 2024 · 6ef443d · 6ef443d
1 parent 75af217
commit 6ef443d
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/Radzen.Blazor/RadzenDropDownDataGrid.razor.cs b/Radzen.Blazor/RadzenDropDownDataGrid.razor.cs
@@ -366,8 +366,11 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
                 if (!Multiple && grid != null && SelectedItem != null)
                 {
                     var items = (LoadData.HasDelegate ? Data != null ? Data : Enumerable.Empty<object>() : (pagedData != null ? pagedData : Enumerable.Empty<object>())).OfType<object>().ToList();
-                    selectedIndex = items.IndexOf(SelectedItem);
-                    await JSRuntime.InvokeAsync<int[]>("Radzen.focusTableRow", grid.GridId(), "ArrowDown", selectedIndex - 1, null);
+                    if (items.Any())
+                    {
+                        selectedIndex = items.IndexOf(SelectedItem);
+                        await JSRuntime.InvokeAsync<int[]>("Radzen.focusTableRow", grid.GridId(), "ArrowDown", selectedIndex - 1, null);
+                    }
                 }
             }