订单处理/orderDetails.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class 订单处理_orderDetails : System.Web.UI.Page
{
    网上订餐系统.SqlServer db = new 网上订餐系统.SqlServer();


    protected void Page_Load(object sender, EventArgs e)
    {
        int id = int.Parse(Request.QueryString["订单ID"].ToString());

        db.SQL = "select * from 订单条目 where 订单ID=@订单ID";
        db.AddSqlParameter("@订单ID", id);
        DataTable dt = db.GetDataTable();
        this.GridView订单条目.DataSource = dt;
        GridView订单条目.DataBind();
        this.Literal订单号.Text = id.ToString();

        db.SQL = "select * from 订单表 where 订单ID=@订单ID";
        DataTable dtInfo = db.GetDataTable();
        this.Literal用户ID.Text = dtInfo.Rows[0]["用户ID"].ToString();
        this.Literal备注.Text = dtInfo.Rows[0]["备注"].ToString();
        this.Literal电话.Text = dtInfo.Rows[0]["联系电话"].ToString();
        this.Literal订餐姓名.Text = dtInfo.Rows[0]["订餐姓名"].ToString();
        this.Literal送餐地址.Text = dtInfo.Rows[0]["送餐地址"].ToString();
        this.Literal总金额.Text = dtInfo.Rows[0]["金额总价"].ToString();

        db.SQL = "select 订单状态 from 订单表 where 订单ID=@订单ID ";
        if (db.ExcuteScalar().ToString().Trim() == "已送餐")
        {
            this.Button处理订单.Visible = false;
        }


    }

    protected void Button处理订单_Click(object sender, EventArgs e)
    {


        db.SQL = "update 订单表 set 订单状态='已送餐' where 订单ID=@订单ID";


        db.ExcuteNonQuery();

        Response.Write("<script>alert(' 处理成功！');window.location.href='OrderListShows.aspx';</script>");