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Cell control is null right after i instantiate it

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74541 Jun 18,2008 12:23 PM Jun 25,2008 08:57 AM Windows Forms 1
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Tags: GridControl
test
Asked On June 18, 2008 12:23 PM

Could someone explain me why the cell control is null after the following operations?

grd.TableDescriptor.Columns[SOME_COLUMN_HEADER].Appearance.AnyRecordFieldCell.CellType = "Control";
grd.TableDescriptor.Columns[SOME_COLUMN_HEADER].Appearance.AnyRecordFieldCell.VerticalAlignment = Syncfusion.Windows.Forms.Grid.GridVerticalAlignment.Middle;
grd.TableDescriptor.Columns[SOME_COLUMN_HEADER].Appearance.AnyRecordFieldCell.HorizontalAlignment = Syncfusion.Windows.Forms.Grid.GridHorizontalAlignment.Center;

grdGroupingControl.Rows[rowIndex].Cells[colIndex].Control = new MyCustomControl();

thx


SubhaSheela R [Syncfusion]
Replied On June 25, 2008 08:57 AM

Hi Jack,

Sorry for the long delay in getting back to you.

You need to handle QueryCellStyleInfo event of GridGrouping Control to set the CellType. Below is the code snippet:


private void gridGroupingControl1_QueryCellStyleInfo(object sender, Syncfusion.Windows.Forms.Grid.Grouping.GridTableCellStyleInfoEventArgs e)
{
if (e.TableCellIdentity.RowIndex >= 4 && e.TableCellIdentity.ColIndex == 2)
{
e.Style.CellType = "Control";
e.Style.Control = CB;
System.Collections.Specialized.StringCollection sc = new System.Collections.Specialized.StringCollection();
sc.Add("Australia");
sc.Add("Canada");
sc.Add("London");
sc.Add("Swiz");
e.Style.ChoiceList = sc;
}
}


Here is the sample that illustrates the same:

GGCContrrolCellType.zip

Please let me know if it helps.

Regards,
Subhasheela R









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