Dim dlg As New OpenFileDialog '定义一个新的OpenFileDialog
dlg.Filter= "Excel文件|*.xls" '设置筛选器
If dlg.ShowDialog = DialogResult.Ok Then '如果用户单击了确定按钮
Dim mg As New Merger
mg.Format = "Excel"
mg.SourcePath = dlg.FileName
mg.SourceTableName = "组织架构及负责人$"
mg.DataTableName = "组织架构及负责人"
mg.Merge()
End If