admin/Default.aspx.cs

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using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.OleDb;
using System.Data;

namespace ytadmin
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            Page.Title = get.gsstr() + "后台管理系统";
            if(!IsPostBack)
            {
                
            }
        }

        protected void login_sub_Click(object sender, EventArgs e)
        {
            
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            string s1 = Request.Form["s1"];//账号
            string s2 = Request.Form["s2"];//密码
            string s3 = Request.Form["s3"];//验证码

            if (s1 == "账号")
            {
                s1 = "";
            }
            if (s2 == "密码")
            {
                s2 = "";
            }
            if (s3 == "验证码")
            {
                s3 = "";
            }

            if (s1.Trim() == "")
            {
                Response.Write("<script>alert('用户名不能为空');location.href='" + Request.RawUrl + "';</script>");
                Response.End();
            }
            else if (s2.Trim() == "")
            {
                Response.Write("<script>alert('密码不能为空');location.href='" + Request.RawUrl + "';</script>");
                Response.End();
            }
            else if (s3.Trim() == "")
            {
                Response.Write("<script>alert('验证码不能为空');location.href='" + Request.RawUrl + "';</script>");
                Response.End();
            }