AdminManager/AdminLogin.aspx.cs

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

using System.Data.SqlClient;


namespace TravelWeb.AdminManager
{
    public partial class AdminLogin : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
           
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            if (username.Text == "") 
            {
                string s = "alert('用户名不能为空!');";
                Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "温馨提示", s, true);
                return;
            }
            if (password.Text == "")
            {
                string s = "alert('密码不能为空!');";
                Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "温馨提示", s, true);
                return;
            }

            string procName = "CheckLogin";
            SqlParameter[] parameter = { new SqlParameter("@admin_name", SqlDbType.VarChar), new SqlParameter("@admin_password", SqlDbType.VarChar) };
            parameter[0].Value = username.Text;
            parameter[1].Value = password.Text;

            SqlConnection conn;
 
            using (conn = DataConn.getSqlConnection())
            {
                try
                {
                    DataSet ds = DataConn.getDataSet(procName, parameter, conn);
                    if (ds == null)//ds为空 
                    {
                        Response.Write("<script language=javascript>alert('登录失败！');</script>");
                        return;
                    }
                    if (ds.Tables.Count == 0)//ds中没有表  
                    {
                        Response.Write("<script>alert('没有数据！！');</script>");