logincontroll.ascx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;

public partial class MyDefine_LoginControll : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["UserNo"].ToString() != "")
            {
                ShowLogged();
            }
            else
            {
                PanelLogin.Visible = true;
                PanelLogged.Visible = false;
            }
        }

    }
    protected void BtnLogin_Click(object sender, EventArgs e)
    {
        string UserNo = LxEnCode.EnCode(TBLoginUserName.Text.ToString());
        string UserPwd = LxEnCode.EnCode(TBLoginUserPwd.Text.ToString());
        string url = Request.UrlReferrer.ToString();
        string UserID = "";
        string sRet = "";
        UserControl con = new UserControl();

        sRet = con.LoginCheck(UserNo, UserPwd, ref UserID);
        if (sRet == "")
        {
            Session["UserNo"] = UserID;
            Response.Redirect(url);
        }
        else
        {
            Response.Write("<script>alert('" + sRet + "');</script>");
        }

    }

    protected void ShowLogged()
    {
        //显示登陆信息
        string userid = Session["UserNo"].ToString();
        DataSet ds = new DataSet();
        string sRet = "";
        UserControl con = new UserControl();
        
        sRet = con.GetUserDetail(userid, ref ds, "user");

        if (sRet == "")
        {
            LabelName.Text = "欢迎你，" + ds.Tables["user"].Rows[0]["UserName"].ToString() + "！";
            LabelPosition.Text = "身份：" + ds.Tables["user"].Rows[0]["UserKind"].ToString();
            LabelNo.Text = "证件号：" + ds.Tables["user"].Rows[0]["UserNo"].ToString();

            PanelLogin.Visible = false;
            PanelLogged.Visible = true;
        }
        else
        {
            PanelLogged.Visible = false;
            PanelLogin.Visible = true;
        }
    }
}