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How to prevent the Plus/Minus symbol of the Parent table when there is no record in the Child table?


When the Child table's record count is zero the Plus/Minus cell type of it's Parent table should be set as static to make it disappear. Please refer the below code snippet which illustrates this:


protected void GridGroupingControl1_QueryCellStyleInfo(object sender, GridTableCellStyleInfoEventArgs e)


if (e.TableCellIdentity.TableCellType == GridTableCellType.RecordPlusMinusCell)


Record r = e.TableCellIdentity.DisplayElement.ParentRecord as Record;

if (r != null && r.NestedTables.Count > 0 && r.NestedTables[0].ChildTable.FilteredChildNodeCount == 0)


e.Style.CellType = "Static";





Protected Sub GridGroupingControl1_QueryCellStyleInfo(ByVal sender As Object, ByVal e As GridTableCellStyleInfoEventArgs)

If e.TableCellIdentity.TableCellType = GridTableCellType.RecordPlusMinusCell Then

Dim r As Record = CType(IIf(TypeOf e.TableCellIdentity.DisplayElement.ParentRecord Is Record, e.TableCellIdentity.DisplayElement.ParentRecord, Nothing), Record)

If Not r Is Nothing AndAlso r.NestedTables.Count > 0 AndAlso r.NestedTables(0).ChildTable.FilteredChildNodeCount = 0 Then

e.Style.CellType = "Static"

End If

End If

End Sub



Article ID: Published Date: Last Revised Date: Platform: Control:
654 04/30/2011 07/10/2014 ASP.NET Web Forms (Classic) GridGroupingControl
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