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EditingControlShowing - How to pre-select text when user moves to new cell

Posted on 2008-10-16
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Last Modified: 2013-12-17
Here's what I want to do:

In a Datagridview, if the user is editing a cell and has the cursor in, say, position 10, and then moves down or up to an adjacent cell, I want to the new cell to be in edit mode and have the cursor in position 10 with only that position selected (or none selected.) - similar to what you see in any text editor as you move up or down.

However, whenever I move to the next cell, it does go into edit mode, but the whole cell is selected even though I selected just that one position.
private void dgrSource_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            Control ctl = e.Control;
            DataGridViewTextBoxEditingControl dText = (DataGridViewTextBoxEditingControl)ctl;
                              
			if (lastPos > 0 && lastPos < dText.Text.Length)  //lastPos was previously captured and is correct
            {
                dText.SelectionStart = lastPos;
                dText.SelectionLength = 1;
            }
        }

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Question by:stevelucy
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stevelucy earned 0 total points
ID: 22737304
I solved this by capturing the DataGridViewTextBoxEditingControl variable in the EditingControlShowing event, and performing the Select method in the CellEnter event.
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