How to make the selections by record instead of by row?
In WinForms Grid, you can acheive this by handling the GridDataBoundGrid's QueryNextCurrentCellPosition, CurrentCellActivated, KeyUp events.In the QueryNextCurrentCellPosition, you can decide where the cell can be moved. In the CellActivated and KeyUp, you can clear the selection and select all the rows for that record.
C#
private void gridDataBoundGrid1_QueryNextCurrentCellPosition(object sender, Syncfusion.Windows.Forms.Grid.GridQueryNextCurrentCellPositionEventArgs e)
{
if(e.Direction == GridDirectionType.Down)
{
switch(e.RowIndex % 3)
{
case 1:
e.RowIndex = e.RowIndex +2;
break;
case 2:
e.RowIndex = e.RowIndex +1;
break;
case 0:
e.RowIndex = e.RowIndex;
break;
}
e.Handled = true;
e.Result = true;
}
}
private void gridDataBoundGrid1_CurrentCellActivated(object sender, System.EventArgs e)
{
//Clear the selection
this.gridDataBoundGrid1.Selections.Clear();
int top = this.gridDataBoundGrid1.CurrentCell.RowIndex;
while (top > this.gridDataBoundGrid1.Model.Rows.HeaderCount + 1&& top % 3 != 0)
top--;
int bot = this.gridDataBoundGrid1.CurrentCell.RowIndex;
while (bot < this.gridDataBoundGrid1.Model.RowCount && bot % 3 != 2)
bot++;
GridRangeInfo range = GridRangeInfo.Rows(top, bot);
this.gridDataBoundGrid1.Selections.SelectRange(range, true);
}
VB
Private Sub gridDataBoundGrid1_QueryNextCurrentCellPosition(ByVal sender As Object, ByVal e As Syncfusion.Windows.Forms.Grid.GridQueryNextCurrentCellPositionEventArgs) Handles gridDataBoundGrid1.QueryNextCurrentCellPosition
If e.Direction = GridDirectionType.Down Then
Select Case e.RowIndex Mod 3
Case 1
e.RowIndex = e.RowIndex + 2
Case 2
e.RowIndex = e.RowIndex + 1
Case 0
e.RowIndex = e.RowIndex
End Select
e.Handled = True
e.Result = True
End If
End Sub 'gridDataBoundGrid1_QueryNextCurrentCellPosition
Private Sub gridDataBoundGrid1_CurrentCellActivated(ByVal sender As Object, ByVal e As System.EventArgs) Handles gridDataBoundGrid1.CurrentCellActivated
Me.gridDataBoundGrid1.Selections.Clear()
Dim top As Integer = Me.gridDataBoundGrid1.CurrentCell.RowIndex
While top > Me.gridDataBoundGrid1.Model.Rows.HeaderCount + 1 AndAlso top Mod 3 <> 0
top -= 1
End While
Dim bot As Integer = Me.gridDataBoundGrid1.CurrentCell.RowIndex
While bot < Me.gridDataBoundGrid1.Model.RowCount AndAlso bot Mod 3 <> 2
bot += 1
End While
Dim range As GridRangeInfo = GridRangeInfo.Rows(top, bot)
Me.gridDataBoundGrid1.Selections.SelectRange(range, True)
End Sub 'gridDataBoundGrid1_CurrentCellActivated
Conclusion
I hope you enjoyed learning about how to make the selections by record instead of by row.
You can refer to our WinForms Grid feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our Grid example to understand how to create and manipulate data in the WinForms Grid.
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