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Hierarchical

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13605 May 4,2004 01:30 AM May 5,2004 12:49 AM Windows Forms 2
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Tags: GridControl
Syl
Asked On May 4, 2004 01:30 AM

Hi I still have a refresh problem on my hierarchical grid....... I am sorry for asking again, but, it makes me depressed :) Check on our ExpandGrid in the Essential Suite Sample \ DataBound \ hierarchical \ ExpandGrid * Expand a row --> for exemple : expand 3 - Confections * Modify categoryID of the row --> for exemple : replace 3 by 33 the childs automaticly change their key value * then, clic on child rows : They disappear!!! * then, To have the right display, you need to collapse the row and expand it again! So, how to refresh it correctly? bye! THANKS AGAIN! Syl

Administrator [Syncfusion]
Replied On May 4, 2004 02:43 AM

I was able to avoid this problem in expandgrid by handling these two events.
bool processedValidating = false;
private void gridDataBoundGrid1_CurrentCellValidated(object sender, System.EventArgs e)
{
	processedValidating = true;
}
private void gridDataBoundGrid1_CurrentCellMoved(object sender, GridCurrentCellMovedEventArgs e)
{
	if(processedValidating)
	{
		GridCurrentCell cc = this.gridDataBoundGrid1.CurrentCell;
		int row = cc.MoveFromRowIndex;
		if(this.gridDataBoundGrid1.IsExpandedAtRowIndex(row))
		{
			GridBoundRecordState rs = this.gridBinder.GetRecordStateAtRowIndex(row);
			if(rs.LevelIndex == 0 && 
				this.gridBinder.NameToColIndex("CategoryID") == cc.MoveFromColIndex)
			{
				this.gridDataBoundGrid1.BeginUpdate();
				this.gridDataBoundGrid1.CollapseAtRowIndex(row);
				this.gridDataBoundGrid1.ExpandAtRowIndex(row);
				this.gridDataBoundGrid1.EndUpdate();
			}
		}
	}
	processedValidating = false;
}

Syl
Replied On May 5, 2004 12:49 AM

Thanks Clay It''s working fine! Bye Sylvain

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