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DisplayEmptyColumns

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58220 Mar 20,2007 05:36 PM Mar 22,2007 04:04 PM Windows Forms 1
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Tags: Grouping
Michael Gutkin
Asked On March 20, 2007 05:36 PM

How do I display empty columns and empty rows in grouping grid, similar to regular grid (myGrid.TableModel.Options.DisplayEmptyColumns).
When I try to use this property in grouping grid, the grid freezes.

Administrator [Syncfusion]
Replied On March 22, 2007 04:04 PM

Hi MG,

Sorry for the delay in getting back to you. One way you can do this by using the custom engine and derive the GridTableControl, overriding OnPaint() and draw the required gridlines to get an empty lines stay on the GGC. Please refer this and let me know this helps.

protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);

if(isApproved)
{
Rectangle rect = this.RangeInfoToRectangle(GridRangeInfo.Table());

ControlPaint.DrawGrid(e.Graphics,e.ClipRectangle,new Size(this.GroupingControl.TableOptions.DefaultColumnWidth,2),Color.Red);
ControlPaint.DrawGrid(e.Graphics,e.ClipRectangle,new Size(2,this.GroupingControl.TableOptions.RecordRowHeight),Color.Red);

PaintEventArgs psrg = new PaintEventArgs(e.Graphics,rect);
base.OnPaint(psrg);
}

}

Best regards,
Haneef

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