จะให้โชว์ message box เมื่อทำการเพิ่มข้อมูลเรียบร้อยแล้ว

 Sub GridView1_RowCommand(ByVal source As Object, ByVal e As GridViewCommandEventArgs)
        If e.CommandName = "Add" Then
            Dim inputNameform As TextBox = CType(GridView1.FooterRow.FindControl("inputNameform"), TextBox)
            Dim filPicture As HtmlInputFile = CType(GridView1.FooterRow.FindControl("filPicture"), HtmlInputFile)
            Dim strFileName As String
            If Trim(filPicture.PostedFile.FileName) <> "" Then
                strFileName = System.IO.Path.GetFileName(filPicture.Value)
                filPicture.PostedFile.SaveAs(Server.MapPath("file/FireDrill52/" & strFileName))
                strSQL = "INSERT INTO form (Idtypeform,Nameform,Fileform) " & _
                " VALUES ('" & Request.QueryString("Idtypeform") & "','" & inputNameform.Text & "','file/FireDrill52/" & strFileName & "') "
                objCmd = New OleDbCommand(strSQL, objConn)
                objCmd.ExecuteNonQuery()

                GridViewBindData()
                GridView1BindData()
            End If
        End If
    End Sub