Usercontrol/Login.ascx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;

public partial class UserControl_Login : System.Web.UI.UserControl
{

    protected void Page_Load(object sender, EventArgs e)
    {


    }



    protected void Button2_Click(object sender, EventArgs e)
    {
        Response.Redirect("~/UI/FristPage.aspx");
    }
    protected void Button1_Click1(object sender, EventArgs e)
    {
        ObjectDataSource1.Select();
        int count = DAL.DataAccess.Number();
        ShoppingCar sc = new ShoppingCar();
        HttpCookie hc = HttpContext.Current.Request.Cookies["cookieCart"];  //购物车实现

        if (count != 0)
        {
            Session["Name"] = txtUserName.Text;
           

            string strSql = string.Format(("Select UserId,UserName From Users Where UserName='{0}'"), txtUserName.Text);
            DataTable dt = DAL.DataAccess.ExecuteQueryTable(strSql, CommandType.Text);
            Session["UserId"] = dt.Rows[0]["UserId"].ToString();
            Session["Name"] = dt.Rows[0]["UserName"].ToString();

            if (hc != null)
            {
                sc.InsertInfo(Session["UserId"].ToString());
            }



            Response.Redirect("~/UI/FristPage.aspx");

        }
        else
        { Page.ClientScript.RegisterClientScriptBlock(GetType(), "Ok", "alert(\"登录信息错误！请重新输入！\")", true); }
    }
}