XdCxRhDW/XdCxRhDW.App/PopupControl/ShowCheckCtrl.cs

using DevExpress.XtraEditors;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.Entity;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Documents;
using System.Windows.Forms;
using XdCxRhDW.App.Model;
using XdCxRhDW.Entity;
using XdCxRhDW.Repostory;

namespace XdCxRhDW.App.PopupControl
{
    public partial class ShowCheckCtrl : DevExpress.XtraEditors.XtraUserControl
    {
        PosRes posItem;
        List<CheckRes> list = new List<CheckRes>();
        public ShowCheckCtrl()
        {
            InitializeComponent();
            gridShowCheck.UseDefault(list);
        }
        public ShowCheckCtrl(PosRes posItem)
            : this()
        {
            this.posItem = posItem;
        }
        private async void ShowCxCtrl_Load(object sender, EventArgs e)
        {
            if (posItem.CheckResID == null)//没有检测结果
                return;
            using (MySqlContext db=new MySqlContext())
            {
                if (db == null) return;
                var items = await db.CheckRes.Where(p => p.ID == posItem.CheckResID).ToListAsync();
                this.list.AddRange(items);
            }
            gridView1.RefreshData();
        }

        private void gridView1_CustomDrawEmptyForeground(object sender, DevExpress.XtraGrid.Views.Base.CustomDrawEventArgs e)
        {
            if (gridView1.RowCount == 0)
            {
                string txt = "没有检测结果信息";
                var s = e.Appearance.CalcTextSize(e.Cache, txt, e.Bounds.Width).ToSize();
                var x = (e.Bounds.Width - s.Width) / 2;
                var y = (e.Bounds.Height - s.Height) / 2;
                e.Appearance.ForeColor = Color.Gray;
                e.Appearance.DrawString(e.Cache, txt, new Rectangle(x, y, s.Width, s.Height));
            }
        }

        private void gridView1_CustomColumnDisplayText(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDisplayTextEventArgs e)
        {
            if (e.Value == null)
                e.DisplayText = "--";
        }
    }
}