AdminManger/OrderChk.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;
using System.Data.SqlClient;
public partial class AdminManger_OrderChk : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    public string OrderStite;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

        }

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string id = Request.QueryString["Orderid"].ToString();
        SqlHelper data = new SqlHelper();
        SqlDataReader dr;
        string sql = "select * from tb_Order where Orderid='" + id + "'";
        dr = data.GetDataReader(sql);
        dr.Read();
        OrderStite = dr["OrderStite"].ToString();

        if (OrderStite == "已经发货")
        {
            Alert.AlertAndRedirect("该订单已经发货", "OrderManger.aspx");

        }
        else 
        {
              SqlHelper data1 = new SqlHelper();
        SqlDataReader dr1;
     string sql1 = "select * from tb_OrderInfo where Orderid='" + id + "'";
        dr1 = data1.GetDataReader(sql1);
        dr1.Read();
     string   shuliang = dr1["shuliang"].ToString();
string bookid = dr1["BookID"].ToString();



           
  data.RunSql("update BookInfo set BookNum=BookNum-" + shuliang + "where bookid='" + bookid + "'");

  data.RunSql("update tb_Order set OrderStite='已经发货' where Orderid='" + id + "'");
         
            data.RunSql("update tb_Order set OrderStite='已经发货' where Orderid='" + id + "'");
            Alert.AlertAndRedirect("操作成功", "OrderManger.aspx");

        }
    }