user.cs

来自「《精通ASP.NET2.0网络应用系统开发》书中的源码」· CS 代码 · 共 56 行

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.Security.Cryptography;
using SQLHelper;
using System.Data.SqlClient;
using System.Text;

namespace WebDBManage
{
    /// <summary>
    /// Summary description for User
    /// </summary>
	public class User
	{
		public static readonly int USERTYPESUPERADMIN = 0;
		public static readonly int USERTYPEADMIN = 1;
		public static readonly int USERTYPENORMAL = 2;

		public SqlDataReader GetUserLogin(string sUserName, string sPassword)
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///定义保存从数据库获取的结果的DataReader
			SqlDataReader dr = null;

			///创建访问数据库的参数			
			SqlParameter[] paramList = {
				sqlHelper.CreateInParam("@UserName",SqlDbType.VarChar,200,sUserName),
				sqlHelper.CreateInParam("@Password",SqlDbType.VarChar,255,sPassword)
			};

			try
			{
				///执行存储过程
				sqlHelper.RunProc("Pr_GetUserLogin", paramList, out dr);
			}
			catch (Exception ex)
			{
				///抛出执行数据库异常
				SystemError.CreateErrorLog(ex.Message);
				throw new Exception(ex.Message, ex);
			}

			///返回从数据库获取的结果
			return (dr);
		}
	}
}