ControlDemo/frmLookupEditor.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace DonkingControlDemo
{
    public partial class frmLookupEditor : Form
    {
        public frmLookupEditor()
        {
            InitializeComponent();
        }
        // 下载于www.51aspx.com
        List<clshdrinfo> lst = new List<clshdrinfo>();//LookupEditor 的数据源，数据源为List<> 不能用table

        private void frmLookupEditor_Load(object sender, EventArgs e)
        {
            BindlookupEditor();
        }

        void BindlookupEditor()
        {
            //lookupEditor1

            lst = clsGetData.GetHdrList();//获取数据源

            this.lookupEditor1.Mapping.Add("单号-列头", "BillNO");//映射 字段
            this.lookupEditor1.Mapping.Add("单名", "BillName");
            this.lookupEditor1.Mapping.Add("列1", "hdr_col1");
            this.lookupEditor1.Mapping.Add("列2", "hdr_col2");

            this.lookupEditor1.DisplayMember = "BillName";//选中后，显示在text文本框中的信息
            this.lookupEditor1.IsOpen = true;//是否允许打开
            this.lookupEditor1.PropertyChanged += new PropertyChangedEventHandler(lookupEditor1_PropertyChanged);

        }

        void lookupEditor1_PropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            string condition = lookupEditor1.Text;
            this.lookupEditor1.DataSource = lst.Where(s => s.BillNO.Contains(condition) || s.BillName.Contains(condition));

            if (lookupEditor1.Target != null)
            {
                clshdrinfo info = (clshdrinfo)lookupEditor1.Target;
                lblContent.Text = info.BillNO + "|" + info.BillName + "|" + info.hdr_col1;
            }

        }

        private void btnReset_Click(object sender, EventArgs e)
        {
            //==如果一个窗体有多个lookupEditor,重置方法可以判断控件类型，然后批处理
            lookupEditor1.IsOpen = false;//先关闭
            lookupEditor1.DisplayValue = string.Empty;