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.SourcePath = dlg.FileName mg.SourceTableName = "sheet1$" mg.DataTableName = "运费" mg.Merge() End If