How to group the unbound column in WinForms GridGroupingControl?
Group the unbound column
Since the unbound column data are not bound to the data source, the WinForms GridGroupingControl of these columns are not possible. In order to group the unbound column, the unbound column needs to be populated with the data and it can be populated by handling the QueryValue event.
C#
//Set Hashtable vaule
for (int i = 0; i < this.gridGroupingControl1.Table.FilteredRecords.Count; i++)
{
UnboundValues.Add(this.gridGroupingControl1.Table.FilteredRecords[i].Id, i + 20);
}
this.gridGroupingControl1.TableDescriptor.QueryValue += new FieldValueEventHandler(TableDescriptor_QueryValue);
void TableDescriptor_QueryValue(object sender, FieldValueEventArgs e)
{
int recordIndex = this.gridGroupingControl1.Table.PrimaryKeySortedRecords.IndexOf(e.Record);
if (e.Field.Name == "UnBoundColumn" && e.Record.Id >= 0)
{
e.Value = UnboundValues[e.Record.Id];
}
}'Set Hashtable value
For i As Integer = 0 To Me.gridGroupingControl1.Table.FilteredRecords.Count - 1
UnboundValues.Add(Me.gridGroupingControl1.Table.FilteredRecords(i).Id, i + 20)
Next i
AddHandler gridGroupingControl1.TableDescriptor.QueryValue, AddressOf TableDescriptor_QueryValue
Private Sub TableDescriptor_QueryValue(ByVal sender As Object, ByVal e As FieldValueEventArgs)
Dim recordIndex As Integer = Me.gridGroupingControl1.Table.PrimaryKeySortedRecords.IndexOf(e.Record)
If e.Field.Name = "UnBoundColumn" AndAlso e.Record.Id >= 0 Then
e.Value = UnboundValues(e.Record.Id)
End If
End Sub
Conclusion
I hope you
enjoyed learning how to group the unbound column in WinForms
GridGroupingControl.
You can refer to our WinForms GridGroupingControl feature tour page to know about its other groundbreaking feature representations and WinForms GridGroupingControl documentation, and how to quickly get started for configuration specifications.
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