Web/admin/login.aspx.cs

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

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

    }
    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {
        string sql = "select * from admin where username='" + username.Text.Trim() + "'and password='" + password.Text.Trim() + "'";
        DataSet ds = Bll.DbHelperSQL.Query(sql);
        if (ds.Tables[0].Rows.Count != 0)
        {
            Session["admin"] = username.Text.Trim();
            Session["power"] = ds.Tables[0].Rows[0]["power"].ToString();
            Response.Redirect("orders_Admin.aspx");
        }
        else
        {
            MessageBox.ShowUrl(Page, this, "登陆失败", "login.aspx");
        }
    }
}