asp.net根据登陆名分配权限

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Text;
using System.Collections.Generic;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using i_salesDAL;
using i_salesModels;
using i_salesBLL;
using MySql.Data.MySqlClient;
public partial class login : System.Web.UI.Page
{
Ss_users myUser;//实例化一个用户对象
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
}
}
protected void btnlogin_Click(object sender, EventArgs e)
{
string name = this.txtname.Text;
string pwd = this.txtpwd.Text;
if (this.txtname.Text.Trim().Length == 0 || this.txtpwd.Text.Trim().Length == 0)
{
//如果用户名或者密码没有输入，提示用户
Page.RegisterStartupScript("", "<mce:script type="text/javascript"><!--
alert('用户名或密码没有输入！')
// --></mce:script>");
}
//如果用户名或者密码输入
else
{
//如果用户名存在
if (Ss_usersManager.LoginIDExists(name))
{
//判断密码是否正确
if (Ss_usersManager.GetKey(name, pwd, out myUser))
{
Session["CurrentUser"] = myUser;//存入session
int id =Ss_usersManager.GetUserInfoByLoginId(name).ID;//用户id
//权限分配
if (Ss_user_roleManager.GetRole_IdByUser_ID(id) == 1)//系统管理员角色
{
Response.Redirect("admin/adminlinkto.html");
}
if (Ss_user_roleManager.GetRole_IdByUser_ID(id) == 2)//客户资料专员角色
{
Response.Redirect("kf