FLOWER/Admin/Login.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.SqlClient;
using Common;

namespace FLOWER.Admin
{
    public partial class Login : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.IsPostBack)
            {
                Button1.Attributes.Add("OnClick", "return CheckForm()");
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            string vCode = string.Empty;
            try
            {
                vCode = Session["CheckCode"].ToString();
            }
            catch (Exception)
            {
                ScriptManager.RegisterStartupScript(this.Page, Page.GetType(), System.DateTime.Now.Ticks.ToString(), "layer.alert('验证码已过期！', {icon: 2,kin: 'layer-ext-moon',closeBtn: 0 });document.getElementById('codeimage').click();", true);
                return;
            }
            if (ValidateCode.Text.Trim().ToUpper() != vCode.ToUpper())
            {
                ScriptManager.RegisterStartupScript(this.Page, Page.GetType(), System.DateTime.Now.Ticks.ToString(), "layer.alert('验证码不正确！', {icon: 2,kin: 'layer-ext-moon',closeBtn: 0 });", true);
                ValidateCode.Focus();
            }
            else
            {
                string LoginName = UserName.Text.Trim();
                string PassWord = UserPass.Text.Trim();
                string constring = SQL.constr;
                SqlConnection str = new SqlConnection(constring);
                str.Open();
                SqlCommand cmd = new SqlCommand();
                cmd.Connection = str;
                cmd.CommandText = "select * from Manage where ManageName=@uname and ManagePassword=@upwd";
                cmd.Parameters.AddWithValue("@uname", LoginName);
                cmd.Parameters.AddWithValue("@upwd", PassWord);
                //Session.Add("ManageName", LoginName);
                SqlDataReader dr = cmd.ExecuteReader();
                if (dr.Read())
                {
                    string uname;
                    string upwd;
                    uname = dr[1].ToString();
                    upwd = dr[2].ToString();
                    Session["LoginName"] = LoginName;
                    Session["LastLoginTime"] = DateTime.Now.ToString("yyyy-MM-dd");