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How to expand a particular group selectively?
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The IsExpanded property of a particular Goup should be set as true to make a grop expanded. Please refer the below code snippet which illustrates this:
C#
//Group by Col3
this.GridGroupingControl1.TableDescriptor.GroupedColumns.Add("Col3");
//Expand only the first group
this.GridGroupingControl1.Table.TopLevelGroup.Groups[0].IsExpanded = true;
VB
'Group by Col3
Me.GridGroupingControl1.TableDescriptor.GroupedColumns.Add("Col3")
'Expand only the first group
Me.GridGroupingControl1.Table.TopLevelGroup.Groups(0).IsExpanded = True
Sample:
http://help.syncfusion.com/support/samples/kb/Grid.Web/6.1.0.34/GGIsExpanded/IsExpanded.zip