Changing ColumnSpan for a row in DataGrid of WPF at runtime

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Posted 1-Mar-13 19:12pm

Tyagi Nitin

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aliwpf · Answer 1 · 2013-03-01T21:37:00

Hi.You must define element style like this :

XML

<DataGridTextColumn.ElementStyle>
                            <Style TargetType="{x:Type TextBox}">
                                <Style.Triggers>
                                    <DataTrigger Binding="{Binding Subject}" Value="{x:Null}">
                                        <Setter Property="Width" TargetName="NameDataGridColumn" Value="0"/>
                                    </DataTrigger>
                                </Style.Triggers>
                            </Style>
                        </DataGridTextColumn.ElementStyle>

and also you must set Header="". I hope this solution help you.
Good Luck