The work is in two parts. In the SetupGrid method we add a GridViewSummaryRowItem to the grid definition.
Note that if the grid is GROUPED, we need one additional line of code to get a grand total:
Sub SetupGrid()
Dim oTelerikGrid As New FPTelerikCommon.TelerikGrid
'add new columns by type and name to the grid...verified in SQL server
Me.RadGridView1.Columns.Add(oTelerikGrid.createGridViewTextBoxColumn("", "RowID", 11, 140, False, False))
Me.RadGridView1.Columns.Add(oTelerikGrid.createGridViewTextBoxColumn("", "CUSTNMBR", 21, 140, False, False))
Me.RadGridView1.Columns.Add(oTelerikGrid.createGridViewTextBoxColumn("Document/PO", "DOCNUMBER", 21, 140))
Me.RadGridView1.Columns.Add(oTelerikGrid.createGridViewDecimalColumn("Payment Received", "Amount", "{0:F2}", 100))
Me.RadGridView1.Columns.Add(oTelerikGrid.createGridViewDecimalColumn("Applied Amt", "apfrmaplyamt", "{0:F2}", 90, True, True))
Me.RadGridView1.Columns.Add(oTelerikGrid.createGridViewDecimalColumn("Unapplied", "unappliedamt", "{0:F2}", 90, True, True))
DirectCast(Me.RadGridView1.Columns("DOCNUMBER"), GridViewTextBoxColumn).ColumnCharacterCasing = CharacterCasing.Upper
'set the summary row
Dim summary1 As New GridViewSummaryItem("Amount", "{0:F2}", GridAggregateFunction.Sum)
Dim summary2 As New GridViewSummaryItem("apfrmaplyamt", "{0:F2}", GridAggregateFunction.Sum)
Dim summary3 As New GridViewSummaryItem("unappliedamt", "{0:F2}", GridAggregateFunction.Sum)
Dim summaryRowItem As New GridViewSummaryRowItem(New GridViewSummaryItem() {summary1, summary2, summary3})
Me.RadGridView1.SummaryRowsTop.Add(summaryRowItem)
'set the grid properties
Me.RadGridView1.EnableGrouping = False
Me.RadGridView1.AllowAddNewRow = True
Me.RadGridView1.AllowDeleteRow = True
Me.RadGridView1.AllowEditRow = True
Me.RadGridView1.EnableFiltering = False
Me.RadGridView1.MasterTemplate.EnableSorting = True
'set the sorting
Dim oSortDescriptor As New Telerik.WinControls.Data.SortDescriptor
oSortDescriptor.PropertyName = "RowID"
oSortDescriptor.Direction = System.ComponentModel.ListSortDirection.Descending
Me.RadGridView1.SortDescriptors.Add(oSortDescriptor)
End Sub
Private Sub RadGridView1_ViewCellFormatting(ByVal sender As Object, ByVal e As Telerik.WinControls.UI.CellFormattingEventArgs) Handles RadGridView1.ViewCellFormatting
If TypeOf e.CellElement Is Telerik.WinControls.UI.GridSummaryCellElement Then
e.CellElement.TextAlignment = ContentAlignment.MiddleRight
e.CellElement.Font = New System.Drawing.Font(e.CellElement.Font, System.Drawing.FontStyle.Bold)
End If
End Sub