Partial Class new_user Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load ' Dim i As Integer 'Dim drop(85) As Integer 'For i = 0 To 85 'drop(i) = 1300 + i 'Next i 'DropDownListsal.DataSource = drop 'DropDownListsal.DataBind() 'Dim j As Integer 'Dim drop1(30) As Integer ' ' For j = 0 To 30 'drop1(j) = 1 + j 'Next j 'DropDownListruz.DataSource = drop1 'DropDownListruz.DataBind() End Sub Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click Dim securityDr As Data.SqlClient.SqlDataReader Dim securityConn As Data.SqlClient.SqlConnection Dim securityCmd As Data.SqlClient.SqlCommand Dim strUsername As String = TextBox5.Text Dim Conn As String = "Data Source=r-shiya;Initial Catalog=sportstore;Integrated Security=True" Dim SQL As String = "SELECT username FROM userpass WHERE username = '" & strUsername & "'" securityConn = New Data.SqlClient.SqlConnection(Conn) securityCmd = New Data.SqlClient.SqlCommand(SQL, securityConn) securityConn.Open() securityDr = securityCmd.ExecuteReader(System.Data.CommandBehavior.CloseConnection) If securityDr.Read() Then securityDr.Close() MsgBox("شناسه شما موجود می باشد لطفا آن را عوض کنید", MsgBoxStyle.OkOnly, "sport store") Else securityDr.Close() SqlDataSource1.Insert() SqlDataSource2.Insert() SqlDataSource3.Insert() Response.Redirect("registered.aspx") End If End Sub End Class