Select Case e.DataCol.Name Case "金额" Dim dd As WinForm.TextBox = Forms("销售收款输入窗口").Controls("TextBox1") Dim zje As WinForm.TextBox = Forms("销售收款输入窗口").Controls("总金额") zje.Value = e.DataCol.DataTable.Compute("sum(金额)","[销售收款单号] = '" & dd.Value & "'") End Select