Wpf C# nested datagrid

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I have a datagrid which includes a second datagrid. I want to handle the double click event for each datagrid seperatly. The problem is that the event from the nested datagrid calls even the double click event from its parent datagrid.

XAML File

C#

 <DataGrid x:Name="dg_tab_100" MouseDoubleClick="dataGrid0_MouseDoubleClick">
   
   <DataGrid.RowDetailsTemplate >
                  <DataTemplate>
                    <DataGrid x:Name="gridPersons" MouseDoubleClick="dataGrid1_MouseDoubleClick" / >
                  </DataTemplate>
  < /DataGrid.RowDetailsTemplate>

</ DataGrid>

C# Code

C#

   private void dataGrid0_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
//CODE DATAGRID 0
	}


   private void dataGrid1_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
//CODE DATAGRID 1
	}

What I have tried:

Datagrid Colums with style and event setter

Posted 13-Jul-16 6:29am

Andre Dieme

Updated 13-Jul-16 18:59pm

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Comments

Richard Deeming 13-Jul-16 14:05pm

If the problem is that it's calling both handlers, have you tried setting e.Handled = true; in the dataGrid1 handler?

Andre Dieme 13-Jul-16 15:50pm

Thank you for your answer but it does not work.

2 solutions

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Andre Dieme · Answer 1 · 2016-07-13T09:52:00

My solution

C#

public bool EventHandler = false;

  private void dataGrid0_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            if (EventHandler == false) {
              //CODE DATAGRID 0
            }
            EventHandler = false;
        }

        private void dataGrid1_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            //CODE DATAGRID 1
            EventHandler = true;
            
        }

Shmuel Zang · Answer 2 · 2016-07-13T18:59:00

Solution 2

You can use the Source property of the event argument to check the event's source. Something like:

C#

private void dataGrid0_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
	if (e.Source == dg_tab_100)
	{
		//CODE DATAGRID 0
	}
} 

private void dataGrid1_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
	if (e.Source == gridPersons)
	{
		//CODE DATAGRID 1
	}
}

Posted 13-Jul-16 18:59pm

Shmuel Zang

Comments

Andre Dieme 14-Jul-16 1:43am

Thank you for your answer. But it does not work. I think it should be e.OriginialSource. But the OriginalSource is the textblock and not the datagrid. So I need loop through the parents until I found the datagrid.