namespace AJAX_Pro_Login.Entity
{
    [Serializable]
    public class T_User
    {
        public T_User()
        {
        }

        private int m_intUserID = 0;
        private string m_strUserName = "";
        private string m_strLoginCode = "";
        private string m_strWhereCondition = "";
        private string m_strOrderByExpression = "";

        public int UserID
        {
            get { return m_intUserID; }
            set { m_intUserID = value; }
        }
        public string UserName
        {
            get { return m_strUserName; }
            set { m_strUserName = value; }
        }
        public string LoginCode
        {
            get { return m_strLoginCode; }
            set { m_strLoginCode = value; }
        }
        public string WhereCondition
        {
            get { return m_strWhereCondition; }
            set { m_strWhereCondition = value; }
        }
        public string OrderByExpression
        {
            get { return m_strOrderByExpression; }
            set { m_strOrderByExpression = value; }
        }
    }
}

    function Button1_onclick() {
        //取得用户输入的用户名和密码！
        var mUserName = document.getElementById("txtUserName").value;
        var mPassWord = document.getElementById("txtPWD").value;
        if (mUserName == "") {
            //对用户名输入框进行非空验证
            alert("用户名不能为空！");
            document.getElementById("txtUserName").focus();
            return false;
        }
        if (mPassWord == "") {
            //对密码输入框进行非空验证
            alert("密码不能为空！");
            document.getElementById("txtPWD").focus();
            return false;
        }

        var mEntity = new AJAX_Pro_Login.Entity.T_User();         //这个语句报错了，麻烦告诉我方法

        mEntity.WhereCondition = " LoginCode = '" + mUserName + "' And PWD = '" + mPassWord + "'";
        mEntity.OrderByExpression = "";

        
        //以用户名和密码为参调用后台CS里面的登录验证方法，返回所查询的用户名！
        AJAX_Pro_Login._Default.SetLoginCheck(mEntity, callback);
    }

[AjaxPro.AjaxMethod]
    public bool IsExistUser(string strUserName, string Level)
    {
        bool flag = new M_BLL.T_User().IsUser(strUserName, Level);//调用用户是否存在 放在bll层
        return flag;
    }
    #endregion 检测用户名是否存在

    #region 检测密码
    public bool IsExistPwd(string strUserName, string strUserPwd, string Level)
    {
        string pwd = "";
        if (Level == "1")
        {
            pwd = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strUserPwd, "MD5").ToSt