zyxt/App_Code/AdminClass.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;

/// <summary>
/// AdminClass 的摘要说明
/// </summary>
public class AdminClass
{
	public AdminClass()
	{
		//
		// TODO:管理员业务类
		//
	}

    public string AdminLogin(string sUid, string sPwd)
    {
        //管理员登录验证方法
        string pwd = FormsAuthentication.HashPasswordForStoringInConfigFile(sPwd, "MD5");
        string SqlStr = "SELECT Ad_Uid FROM Admins WHERE Ad_Uid='" + sUid + "' AND Ad_Pwd='" + pwd + "'";
        DataAccess Das = new DataAccess();
        string Strs = Das.GetStringOne(SqlStr);
        return Strs;
    }

    public string AdminAnswer(string sUid, string sPwd)
    {
        //管理员问题验证方法
        string SqlStr = "SELECT Ad_Uid FROM Admins WHERE Ad_Uid='" + sUid + "' AND Ad_Mail='" + sPwd + "'";
        DataAccess Das = new DataAccess();
        string Strs = Das.GetStringOne(SqlStr);
        return Strs;
    }

    public int EditPass(string sUid, string sPwd)
    {
        //修改管理员密码
        string pwd = FormsAuthentication.HashPasswordForStoringInConfigFile(sPwd, "MD5");
        string SqlStr = "UPDATE Admins SET Ad_Pwd='" + pwd + "' WHERE Ad_Uid='" + sUid + "'";
        DataAccess Das = new DataAccess();
        int nPand = Das.UpdataAccess(SqlStr);
        return nPand;
    }

    public DataSet GetTeacherMessage()
    {
        //返回所有教师
        string SqlStr = "SELECT * FROM Teachers ORDER BY Te_ID DESC";
        DataAccess Das = new DataAccess();
        DataSet ds = Das.GetDataSet(SqlStr);
        return ds;
    }