CyManager/RoomsType.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using Common;
using BLL;
namespace CyManager
{
    public partial class RoomsType : UserControl
    {
        CRoomType rt = new CRoomType();
        ListViewItem lviType = new ListViewItem();
        public RoomsType()
        {
            InitializeComponent();
        }
        /// <summary>
        /// 刷新餐台类型信息的事件
        /// </summary>
        public event Del EveRoomsType;
       

        private void URooms_Load(object sender, EventArgs e)
        {
            QueryRoomsType();
        }
     
        /// <summary>
        /// 查询所有餐台类型的方法
        /// </summary>
        private void QueryRoomsType()
        {
            this.lvTTypes.Items.Clear();
            List<CRoomType> ltt = new List<CRoomType>();
            try
            {
                ltt = BLLRoomsType.BllRoomsTypeQuery ();
            }
            catch (Exception)
            {
                MessageBoxNew.Show("查询餐台类型失败!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

            foreach (CRoomType t in ltt)
            {
                ListViewItem lviType = new ListViewItem();
                lviType.Text = t.CrtId1 .ToString();
                this.lvTTypes.Items.Add(lviType);
                lviType.SubItems.AddRange(new string[] { t.CrtName1 , t.CrtLeastCost1 .ToString(), t.CrtMostNumber1 .ToString(), t.CrtAmount1 .ToString() });
            }
        }

        private void lvTTypes_MouseDown(object sender, MouseEventArgs e)
        {
            lviType = this.lvTTypes.GetItemAt(e.X, e.Y);

            if (lviType != null)