主题：Excel合并不能实现

If MainTable.Name = "分解数据二" Then
    Dim dlg As New OpenFileDialog
    dlg.Filter = "excel文件|*.xls"
    dlg.MultiSelect = True '允许选择多个文件
    If dlg.ShowDialog =DialogResult.OK Then
        For Each fl As String In dlg.FileNames
            Dim mg As New Merger
            mg.SourcePath = fl
            mg.SourceTableName = "液相表2$"
            mg.DataTableName = "分解数据二"
            mg.Merge()
        Next
    End If
End If
此主题相关图片如下：qq图片20140911084234.jpg

请教如何处理?