Dim dlg As New OpenFileDialog
dlg.Filter= "Excel文件|*.xls"
dlg.MultiSelect = True
If dlg.ShowDialog =DialogResult.OK Then
For Each fl As String In dlg.FileNames
Dim mg As New Merger
mg.SourcePath = fl
mg.format = "excel" '指定要合并的文件格式
mg.SourceTableName = "基础表"
mg.DataTableName = "基础表"
mg.Merge()
Next
End If