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 kehufuwu_index : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {


    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        SqlConnection conn = new SqlConnection((string)Application["connstr"]);
        try
        {
            conn.Open();
            SqlCommand cmd = new SqlCommand("test_thglid", conn);
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.Add("@id", this.TextBox1.Text);
            SqlParameter pa = cmd.Parameters.Add("@rs", SqlDbType.Int);
            pa.Direction = ParameterDirection.Output;
            cmd.ExecuteNonQuery();
            if ((int)cmd.Parameters["@rs"].Value == 1)
            {
                
                Session["cythid"]=this.TextBox1.Text.ToString();
                Response.Redirect("tiandan.aspx");

            }
            else if((int)cmd.Parameters["@rs"].Value==2)
            {
                this.Label1.Visible = true;
                this.Label1.Text="此单号不存在！";
            }
            else if ((int)cmd.Parameters["@rs"].Value == 3)
            {
                this.Label1.Visible = true;
                this.Label1.Text = "此单在储运部还未完成！";
            }
          

        }
        catch (Exception ex)
        {
            this.Label1.Text = ex.Message;
        }
        finally
        {
            if (ConnectionState.Open == conn.State)
                conn.Close();
        }
    }
}