ASP.NET-细节-datagrid的prerender事件上

话不多说，直接放代码和效果图

/*
''' <summary>
''' 合并单元格
''' </summary>
''' <param name="sender"></param>
''' <param name="e"></param>
*/
Protected Sub dgdData_PreRender(ByVal sender As Object, ByVal e As EventArgs) Handles dgdData.PreRender
    Dim sColumns As Integer = 2 /*需要合并的列*/
    If dgdData.Items.Count > 1 Then
        Dim rowspan As Integer = 0
        For i As Integer = 1 To dgdData.Items.Count - 1 /*单元格合并*/
            If dgdData.Items(i - 1).Cells(sColumns).Text.Trim() = dgdData.Items(i).Cells(2).Text.Trim() Then /*分页中合并单元格*/
                rowspan = rowspan + 1
                dgdData.Items(i - rowspan).Cells(sColumns).RowSpan = rowspan + 1
                dgdData.Items(i).Cells(sColumns).Visible = False
                dgdData.Items(i - rowspan).Cells(sColumns).VerticalAlign = VerticalAlign.Middle
            Else
                rowspan = 0
            End If
        Next
    End If
End Sub