default.aspx.cs

本套软件适用于各大高校、中小学、幼儿园、培训机构等单位的教学管理软件。

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.Data.SqlClient;
using jianke;

public partial class Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void Button2_Click(object sender, EventArgs e)
    {
        this.TextBox1.Text = "";
        this.TextBox2.Text = "";
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (this.TextBox1.Text == "")
        {
            Response.Write("<script>alert(' 请输入用户名！');</script>");
        }
        else
        {
            SqlConnection Conn = DB.creatconnection();
            Conn.Open();


            string mysql = "select Users_id from Users where Users_id='" + TextBox1.Text + "'";
            SqlCommand cm = new SqlCommand(mysql, Conn);
            SqlDataReader dr = cm.ExecuteReader();
            if (dr.Read())
            {
                dr.Close();
                string password = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(TextBox2.Text, "MD5");
                string mysql1 = "select  * from Users where Users_id='" + TextBox1.Text + "'and Users_password='" + password + "'";
                SqlCommand cm1 = new SqlCommand(mysql1, Conn);
                SqlDataReader dr1 = cm1.ExecuteReader();
                if (dr1.Read())
                {

                    Session["Users_id"] = dr1["Users_id"].ToString();
                    Session["Users_class"] = dr1["Users_class"].ToString();
                    Session["Users_password"] = dr1["Users_password"].ToString();

                    if (Session["Users_class"].ToString() == "1")
                    {
                        Response.Redirect("admin/Main.aspx");
                    }
                    else if (Session["Users_class"].ToString() == "2")
                    {
                        Response.Redirect("admin2/Main.aspx");

                    } 
                    if (Session["Users_class"].ToString() == "3")
                    {
                        Response.Redirect("admin3/Main.aspx");

                    }
                    dr1.Close();
                }
                else
                {
                    Response.Write("<script>alert(' 密码错误！');</script>");
                    dr1.Close();
                }

            }
            else
            {
                dr.Close();

                Response.Write("<script>alert(' 该用户不存在！');</script>");
            }
        }

    }

}