login.aspx.cs

用户零售档案管理系统

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.Data.SqlClient;
using System.Web.UI.HtmlControls;

public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string myConn = System.Configuration.ConfigurationManager.ConnectionStrings["yhdaselect"].ConnectionString;
        SqlConnection conn = new SqlConnection(myConn);
        try
        {
            conn.Open();
            SqlCommand cmd = new SqlCommand("logon", conn);
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.AddWithValue("@userid", TextBox1.Text);
            cmd.Parameters.AddWithValue("@passwd", TextBox2.Text);
            SqlParameter paramout2 = cmd.Parameters.AddWithValue("@username", "");
            paramout2.Direction = ParameterDirection.Output;

            SqlDataReader sda = cmd.ExecuteReader();

            if (sda.Read())
            {
                this.Session["username"] = Convert.ToString(sda["username"]);
                Response.Redirect("main.aspx");
                //Response.Write(sda["username"].ToString());
            }
            else
            {
                Label1.Text = "用户名或密码错";
                //Response.Write("用户名或密码错");
            }

        }
        catch (Exception ex)
        {
            Response.Write(ex.Message);

        }
        finally
        {
            if (conn != null)
                conn.Close();
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        Response.Redirect("changepasswd.aspx");
    }
}