bookingcheckprint.aspx.cs

C# + MYSQL 课程设计 ASP.NET 2.0数据库开发《餐饮消费管理系统》功能完整

//文件名：BookingCheckPrint.aspx.cs
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 BookingManage_BookingCheckPrint : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {//打印预订客人用餐账单
        if (Session["MyCompanyName"] != null)
        {
            this.Label1.Text = Session["MyCompanyName"].ToString() + "预订客人用餐结账单";
        }
        string MyID = Request.QueryString["MyID"].ToString();
        DataTable MyTable = new DataTable();
        string MySQL = "SELECT * FROM [预订信息] WHERE ([预订编号]='" + MyID + "') ";
        String MySQLConnectionString = ConfigurationManager.ConnectionStrings["MyEateryDBConnectionString"].ConnectionString;
        SqlConnection MyConnection = new SqlConnection(MySQLConnectionString);
        MyConnection.Open();
        SqlDataAdapter MyAdatper = new SqlDataAdapter(MySQL, MyConnection);
        MyAdatper.Fill(MyTable);
        this.Label3.Text = "预订编号：" + MyTable.Rows[0]["预订编号"].ToString();
        this.Label4.Text = "用餐日期：" + DateTime.Parse(MyTable.Rows[0]["用餐日期"].ToString()).ToShortDateString();
        this.Label5.Text = "用餐人数：" + MyTable.Rows[0]["用餐人数"].ToString();
        this.Label2.Text = "预订日期：" + DateTime.Parse(MyTable.Rows[0][1].ToString()).ToShortDateString();
        this.Label6.Text = "餐次名称：" + MyTable.Rows[0]["餐次名称"].ToString();
        double My预交订金 = Convert.ToDouble(MyTable.Rows[0]["预交订金"].ToString());
        this.Label8.Text = "预交订金：" + My预交订金.ToString() + "元";
        MyConnection.Close();
        MySQL = "SELECT SUM(用餐金额) FROM [用餐信息] WHERE ([用餐单号] LIKE '%" + MyID + "%') ";
        MyConnection.Open();
        SqlCommand MyCommand = MyConnection.CreateCommand();
        MyCommand.CommandText = MySQL;
        double My用餐金额 = Convert.ToDouble(MyCommand.ExecuteScalar().ToString());
        this.Label7.Text = "用餐金额：" + My用餐金额.ToString() + "元";
        MyConnection.Close();
        MySQL = "SELECT SUM(折扣金额) FROM [用餐信息] WHERE ([用餐单号] LIKE '%" + MyID + "%') ";
        MyConnection.Open();
        MyCommand = MyConnection.CreateCommand();
        MyCommand.CommandText = MySQL;
        double My折扣金额 = Convert.ToDouble(MyCommand.ExecuteScalar().ToString());
        this.Label9.Text = "折扣金额：" + My折扣金额.ToString() + "元";
        MyConnection.Close();
        double My实收金额 = My用餐金额 - My预交订金 - My折扣金额;
        this.Label10.Text = "实收金额：" + My实收金额.ToString() + "元";

        MySQL = "SELECT * FROM [用餐信息] WHERE  ([用餐单号] LIKE '%" + MyID + "%') ";
        MyAdatper = new SqlDataAdapter(MySQL, MyConnection);
        MyTable = new DataTable();
        MyAdatper.Fill(MyTable);
        this.TextBox1.Text = MyTable.Rows[0]["宾客意见"].ToString();
        MyTable = new DataTable();
        MySQL = "SELECT 用餐单号,菜品名称,计量单位,计费单价,计费数量,计费金额  FROM [用餐明细] WHERE  ([用餐单号] LIKE '%" + MyID + "%') ";
        MyAdatper = new SqlDataAdapter(MySQL, MyConnection);
        MyAdatper.Fill(MyTable);
        this.GridView1.DataSource = MyTable;
        this.GridView1.DataBind();
        if (MyConnection.State == ConnectionState.Open)
        {
            MyConnection.Close();
        }
    }
}