DataGridView - Click and Double click event not firing

Question

5.00/5 (1 vote)

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Hi
I have a form with a datagridview - The problem is I can't get the Cell content doubleclick events (or click) to fire.

I have other forms in the same project where I have done the same thing and they work fine, but for some reason this form doesnt. I have deleted the control and re added it and stripped out all my formatting code to make the code as simple as possible

Does any one have any suggestions?

In the double click event I have the following:

VB

Private Sub dgvToDo_CellContentDoubleClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs)
  MsgBox("Hello world")
End Sub

And all I have done to set my datasource is as follows

dgv.DataSource = mObjToDoData.GetToDoDataDataset.Tables(0)
This returns two rows of data and displays perfectly.

Any suggestions would be much appreciated

Ants
New Zealand

Posted 17-Jan-11 18:03pm

Ants Hurdley

Updated 21-Nov-19 21:30pm

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Ants Hurdley 18-Jan-11 13:48pm

Found the problem

I was setting the grid to nothing in the wrong place (dgv= nothing)- idiot - thanks for your help

4 solutions

Solution 3

CellContentDoubleClick does not fire when you for instance also place a DoDragDrop-statement in a MouseDown eventhandler for the datagridview.

Here is the code I have, that causes CellContentDoubleClick not to fire (the cause is here emphasized in boldface):

Private Sub gridd_MouseDown(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles gridd.MouseDown
       SourceRowIndex = -1
       SourceColIndex = -1
       If e.Button = Windows.Forms.MouseButtons.Left Then
           If gridd.HitTest(e.X, e.Y).Type = DataGridViewHitTestType.Cell Then
               SourceRowIndex = gridd.HitTest(e.X, e.Y).RowIndex
               SourceColIndex = gridd.HitTest(e.X, e.Y).ColumnIndex
               DoDragDrop(gridd.Rows(SourceRowIndex).Cells(SourceColIndex).Value, DragDropEffects.Copy)
           End If
       End If
   End Sub

This line is causing the problem (at least in my case):
DoDragDrop(gridd.Rows(SourceRowIndex).Cells(SourceColIndex).Value, DragDropEffects.Copy)

Posted 16-Feb-12 15:43pm

netfed

Updated 16-Feb-12 15:53pm

v3

Solution 4

I suggest that you should code it in CellDoubleClick instead of CellContentDoubleClick, it works for me

Posted 21-Nov-19 21:31pm

Member 14598452

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jerrykid · Accepted Answer · 2011-01-17T20:01:00

Solution 1

Ants,

CellContentDoubleClick is fired when the DataGridView is set to ReadOnly mode = false.

Please try to set

dgv.ReadOnly = false;

Regards,

Posted 17-Jan-11 20:01pm

jerrykid

Comments

Abhinav S 18-Jan-11 2:10am

Good answer.

Ants Hurdley 18-Jan-11 13:01pm

Thanks - I changed it to false and yet it still doesn't work. I noted that my other one was set to false - So it sounds as though you are on the right track.

jerrykid 19-Jan-11 2:48am

Oh, thanks for chosing my answer to be an accepted answer :). The Grid is nothing that's will cause to unhandle the CellContentDoubleClick event, too. :)

Prerak Patel · Accepted Answer · 2011-01-17T22:35:00

Solution 2

O man! Where is the "handles" part.

Try adding Handles dgvToDo.CellContentDoubleClick or use AddHandler

i.e.

Private Sub dgvToDo_CellContentDoubleClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dgvToDo.CellContentDoubleClick

or

AddHandler dgvToDo.CellContentDoubleClick, AddressOf dgvToDo_CellContentDoubleClick

Posted 17-Jan-11 22:35pm

Prerak Patel

Updated 17-Jan-11 22:37pm

v2

Comments

Ants Hurdley 18-Jan-11 12:58pm

Hi I did have handels in my code - for some reason I didn't copy and paste it properly to this post

Private Sub dgv_CellContentClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dgv.CellContentClick
MsgBox("Hello World")
End Sub

Ants Hurdley 18-Jan-11 13:03pm

and also

Private Sub dgv_CellContentDoubleClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dgv.CellContentDoubleClick
MsgBox("Hello World")
End Sub