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Fix DataGridBoundColumn null path bindings #249

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Merged
MrJul merged 1 commit into from
Jul 3, 2026
Merged

Fix DataGridBoundColumn null path bindings #249

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6 changes: 3 additions & 3 deletions src/Avalonia.Controls.DataGrid/DataGridBoundColumn.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ public virtual BindingBase Binding
throw new InvalidOperationException("DataGridColumn doesn't support BindingMode.OneWayToSource. Use BindingMode.TwoWay instead.");
}

var path = compiled.Path.ToString();
var path = compiled.Path?.ToString();
if (!string.IsNullOrEmpty(path) && compiled.Mode == BindingMode.Default)
{
compiled.Mode = BindingMode.TwoWay;
Expand All @@ -76,7 +76,7 @@ public virtual BindingBase Binding
throw new InvalidOperationException("DataGridColumn doesn't support BindingMode.OneWayToSource. Use BindingMode.TwoWay instead.");
}

var path = reflection.Path.ToString();
var path = reflection.Path;
if (!string.IsNullOrEmpty(path) && reflection.Mode == BindingMode.Default)
{
reflection.Mode = BindingMode.TwoWay;
Expand Down Expand Up @@ -140,7 +140,7 @@ internal void SetHeaderFromBinding()
if (OwningGrid != null && OwningGrid.DataConnection.DataType != null
&& Header == null && Binding != null && Binding is BindingBase binding)
{
var path = (binding as Binding)?.Path ?? (binding as CompiledBindingExtension)?.Path.ToString();
var path = (binding as Binding)?.Path ?? (binding as CompiledBindingExtension)?.Path?.ToString();
if (!string.IsNullOrWhiteSpace(path))
{
var header = OwningGrid.DataConnection.DataType.GetDisplayName(path);
Expand Down