DataGrid problem while editing the datagridcell

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Silverlight

DataGrid

Hello,

I have a xaml file that contains a silverlight DataGrid. As you know, that in a silverlight Datagrid, whenever that user starts editing a line (a row) the beginEdit is called automatically, and then when he finishes editing EndEdit is called... This works fine with DataGridTextColumn and DataGridCheckBoxColumns.

But it doesn't work at all with datagrid columns that have a dataTemplate, for example:

<DatagridTemplateColumn>

<DataGridTemplateColumn.CellTemplate>

<DataTemplate>

<TextBox  Text={Binding Path=Model.Name, Mode=TwoWay} >

</DataTemplate>

</DataGridTemplateColumn.CellTemplate>

</DatagridTemplateColumn>

In the above column, if a change the value found in the textbox and then press enter, the BeginEdit and EndEdit are not called...

My above column template is easy, I know that I can replace it by DataGridTextColumn, but actually I'm using TemplateColumns for comboboxes ...

Thanks