login.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class login12 : System.Web.UI.Page
{
    Random asd = new Random();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Label1.Text = asd.Next(1000, 9999).ToString();
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        SqlConnection cn = WMS.createCon();
        cn.Open();
        string strsql = "select * from Users where UID='" + uid.Text + "'";
        SqlCommand cm = new SqlCommand(strsql, cn);
        SqlDataReader dr = cm.ExecuteReader();
        // 下载于www.51aspx.com
        if (dr.Read())
        {
            if (TextBox2.Text != Label1.Text.ToString())
            {
                Label2.Text = "验证码错误，请重新输入";
            }
            else
            {
                if ((string)dr["UPassword"] == pword.Text)
                {

                    Session["id"] = dr["UID"];
                    Session["upower"] = dr["UPower"];
                    Session["Udep"] = dr["UDep"];
                    if (DropDownList1.Text == (string)dr["UPower"] && DropDownList1.Text == "仓库总管")
                    {
                        Response.Redirect("AddUser.aspx");
                    }
                    if (DropDownList1.Text == (string)dr["UPower"] && DropDownList1.Text == "分仓库管理员")
                    {
                        Response.Redirect("AddInOut.aspx");
                    }
                    if (DropDownList1.Text == (string)dr["UPower"] && DropDownList1.Text == "采购员")
                    {
                        Response.Redirect("Request.aspx");
                    }
                }
                else