Userlogin.ascx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
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 GROUP.Manage;

public partial class Userlogin1 : System.Web.UI.UserControl
{
    BaseClass BaseClass1 = new BaseClass();
    protected void Page_Load(object sender, EventArgs e)
    {
        // 初始化页面
        div1.Visible = false;

        div2.Visible = false;
        if (Session["name"] != null)
        {
            Label1.Text = Session["name"].ToString();

            div2.Visible = true;
        }
        else
        {
            div1.Visible = true;
        }
       
     }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string strsql = "select * from 用户 where 管理员标志=0 and 用户名 ='" + TextBox1.Text + "' and 密码 = '" + TextBox2.Text + "'";
        DataSet ds = new DataSet();
        ds = BaseClass1.GetDataSet(strsql, "username");
        if (ds.Tables["username"].Rows.Count == 0)
        {
            //Response.Write("<script>alert(\"用户名不存在或密码错误，请确认后再登录！\");</script>");
            string scriptString = "alert('" + "用户名不存在或密码错误，请确认后再登录！" + "');";
            Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "warning", scriptString, true);  

        }
        else
        {
            Session["name"] = TextBox1.Text;

            //string scriptString = "alert('" + "登录成功！" + "');";
            //Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "warning", scriptString, true);

            Label1.Text = "<b>" + Session["name"].ToString() + "</b>";
            div1.Visible = false;
            div2.Visible = true;
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        //Response.Redirect("userreg.aspx");