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Disable the textbox when a certain treeview node is selected

Posted on 2011-03-19
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Last Modified: 2013-12-17
hi,

I have a treeview on the left and a textbox on the right devided by a splitter.
What treeview-event should i use when I want to disable the textbox
when a user clicks on a treeview node that has a imageindex 3.

I would say: the afterselect-event but I have allready code there to show text
in the textbox when a treeview node is selected.

        private void tvNotes_AfterSelect(object sender, TreeViewEventArgs e)
        {
            DataRow row = e.Node.Tag as DataRow;
            txtbNotes.Text = row["Data"].ToString();
        }


Who can help me?

Greetings, peterkiers
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Question by:peterkiers
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2 Comments
 
LVL 7

Accepted Solution

by:
nbove earned 500 total points
ID: 35171867
Modify your event handler to the following:

private void tvNotes_AfterSelect(object sender, TreeViewEventArgs e)
{
  DataRow row = e.Node.Tag as DataRow;
  txtbNotes.Text = row["Data"].ToString();
  if (e.Node.ImageIndex == 3)
  {
    txtbNotes.Enabled = false;
  }
  else
  {
    txtbNotes.Enabled = true;
  }
}
0
 
LVL 1

Author Comment

by:peterkiers
ID: 35171877
Thanx it works.

Peter
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