index.aspx.cs

退书管理系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

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

    }
    protected void MessageBox(string Message)
    {
        Response.Write("<script language='javascript'>alert('" + Message + "')</script>");
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        SqlConnection conn = new SqlConnection((string)Application["connstr"]);
        try
        {
            conn.Open();
            SqlCommand cmd = new SqlCommand("denglu", conn);
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.Add("@id", this.TextBox1.Text);
            cmd.Parameters.Add("@password", this.TextBox2.Text);
            SqlParameter pa = cmd.Parameters.Add("@rs", SqlDbType.Int);
            pa.Direction = ParameterDirection.Output;
            cmd.ExecuteNonQuery();
            if ((int)cmd.Parameters["@rs"].Value == 1)
            {

                Response.Redirect("aindex.aspx");

            }
            else if ((int)cmd.Parameters["@rs"].Value == 3)
            {
                MessageBox("该帐号不存在！");
            }
            else if ((int)cmd.Parameters["@rs"].Value == 2)
            {
                MessageBox("密码输入错误！");
            }


        }
        catch (Exception ex)
        {
            MessageBox(ex.Message);
        }
        finally
        {
            if (ConnectionState.Open == conn.State)
                conn.Close();
        }

    }
}