Default.aspx.cs

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using System;
using System.Data;
using System.Configuration;
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 System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
    private readonly string ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
    protected void Page_Load(object sender, EventArgs e)
    {
        // 下载于www.51aspx.com
    }
    protected void btnok_Click(object sender, ImageClickEventArgs e)
    {
        string sqlstr;
        sqlstr = "select *  from tb_User where UserName='" + loginname.Text + "' and Pwd='"+pwd.Text+"'";
        SqlConnection scon = new SqlConnection(ConnectionString);
        scon.Open();
        SqlCommand scm = new SqlCommand(sqlstr, scon);
        SqlDataReader myDataAdapter = scm.ExecuteReader();
        if (myDataAdapter.Read())
        {
            string strPwd = myDataAdapter["Pwd"].ToString();
            string Name = myDataAdapter["UserName"].ToString();
            string Power = myDataAdapter["Power"].ToString();

            Session["UserName"] = Name;
            Session["UserId"] = myDataAdapter["userID"].ToString(); ;
            Session["Power"] = Power;
            if (Power == "系统管理员")
            {
                Response.Redirect("Admin/AdminIndex.aspx");
            }
            if (Power == "仓库管理员")
            {
                Response.Redirect("KuCun/AdminIndex.aspx");
            }
            if (Power == "项目经理")
            {
                Response.Redirect("JingLi/AdminIndex.aspx");
            }
        }
        else
        {
            Response.Write("<script language='javascript'>alert('密码错误！');</script>");
            Server.Transfer("Default.aspx");
            scon.Close();
        }

    }
}