Ulogin.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;

public partial class Ulogin : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string strCon = "Data Source=.;Initial Catalog =managetelephone;Integrated Security=True;";
        SqlConnection sqlconn = new SqlConnection(strCon);
        SqlCommand sqlcommand = new SqlCommand();
        sqlcommand.Connection = sqlconn;
        string strsql = "select * from Friendtelephone1 where Friendname ='" + TextBox1.Text + "' and Friendpsd = '" + TextBox2.Text + "'";
        SqlDataAdapter da = new SqlDataAdapter(strsql, sqlconn);
        DataSet ds = new DataSet();
        int count = da.Fill(ds, "Friendtelephone1");
        if (count > 0)
        {
            Session["Fname"] = TextBox1.Text;
            Session["Fpsd"] = TextBox2.Text;
            HttpCookie cookie = new HttpCookie("cookie");
            cookie.Value = TextBox2.Text;
            // cookie["IsLogin"] = "yes";
            cookie.Expires = DateTime.Now.AddDays(5);
            Response.AppendCookie(cookie);
            Response.Redirect("yonghuliuyan.aspx");
        }
        else
        {
            //Response .Redirect ("Ulogin.aspx");
            Label2.Text = "登录失败";
        }

        if (count ==0)
        {
            //TextBox1.Text = ds.Tables["Friendtelephone1"].Rows[0]["Friendname"].ToString();
            Label3.Text = " ";
        }
        else
        {
           
            Label2.Text = "登陆失败";
        }
        if (count > 0)
        {
            TextBox2.Text = ds.Tables["Friendtelephone1"].Rows[0]["Friendpsd"].ToString();
            Label4.Text = " ";
        }
        else
        {