Demo/StuStateUpdate.aspx.cs

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using Demo.Helper;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Demo
{
    public partial class StuStateUpdate : Page
    {
        private string LoginId = CookieHelper.GetCookie("Aid", "LoginId");
        protected void Page_Load(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(LoginId))
            {
                Response.Write("<script>alert('请您先登录再操作!');window.location.href='Login.aspx';</script>");
                Response.End();
            }
            if (!IsPostBack)
            {
                DataSet data = DBHelper.GetDataTable($"select * from UserInfo where id={LoginId}").DataSet;
                droState.SelectedValue = Convert.ToString(data.Tables[0].Rows[0][2]);
            }
        }
        protected void Unnamed1_Click(object sender, EventArgs e)
        {
            string Type = droState.SelectedValue;
            droState.SelectedValue = Type;

            string sql = string.Format("update UserInfo set Type='{0}' where id={1}", Type, LoginId);
            int num1 = DBHelper.ExecuteNonQuery(sql);
            if (num1 > 0)
            {
                Response.Write("<script>alert('修改成功!')</script>");
            }
            else
            {
                Response.Write("<script>alert('修改失败!')</script>");
            }
        }
    }
}