Private Sub Label1_Click(sender As Object,e As EventArgs) Handles Label1.Click Dim myStream As System.IO.Stream OpenFileDialog1.InitialDirectory = "C:\Users\Administrator\Desktop" OpenFileDialog1.Filter = "" OpenFileDialog1.FilterIndex = 2 OpenFileDialog1.RestoreDirectory = True If OpenFileDialog1.ShowDialog() = Windows.Forms.DialogResult.OK Then Try Label1.ForeColor = Color.White Label1.Text = OpenFileDialog1.FileName myStream = OpenFileDialog1.OpenFile() If Not (myStream Is nothing) Then g_sqlDataSource = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Label1.Text + "" myStream.Close() End If Catch ex As Exception MsgBox("错误!") End Try End If End Sub