Bug with DataTemplate

Scope: It appears that when DataGridTemplateColumn.CellTemplate is in use the filter freezes and no longer functions.

<control:DataGridTemplateColumn Header="Collection" MinWidth="65" Width="10*" MaxWidth="150" IsColumnFiltered="False">
    <DataGridTemplateColumn.CellTemplate>
        <DataTemplate>
            <TextBlock x:Name="Collection" Text="{Binding Collection, Mode=OneWay}" MouseDown="DataGridTextColumn_MouseDown"></TextBlock>
        </DataTemplate>
    </DataGridTemplateColumn.CellTemplate>
</control:DataGridTemplateColumn>

The cause: FieldName and SortMemberPath are not set. Probably should have a default value set somewhere to prevent the app filter from crashing. Possibly get the type of the binding variable and auto set the fieldname, and pull the datacontext/source from the textblock or its parent and auto set the sort member path. <control:DataGridTemplateColumn Header=“MCN” MinWidth=“65” Width=“10*” MaxWidth=“150” IsColumnFiltered=“True” FieldName=“Collection” SortMemberPath=“Collection”>

[macgile]

I tried to embed an “intellisense” notification to point out the required field but couldn’t find a way to make it work. It would have been more elegant.

[MrPlow254]

File: FilterDataGrid.cs line 1229 is the issue. The popup is locked as open and never closes. This code change will allow for the filter to still work even though the fieldName is empty. if (string.IsNullOrEmpty(fieldName)) { popup.IsOpen= true; return; }