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;
using DevExpress.XtraEditors.Controls;namespace WindowsFormsApplication1
{public partial class Form1 : Form{public Form1(){InitializeComponent();}DataTable dt = new DataTable();private void Form1_Load(object sender, EventArgs e){try{BindData();}catch (Exception){//TODO}}/// <summary>/// 给全局dt复制，这里可以是sql语句，得到table后循环table绑定数据到控件/// </summary>private void BindData(){dt.Columns.Add(new DataColumn("value", typeof(string)));for (int i = 0; i < 100; i++){DataRow dr = dt.NewRow();               dr["value"] = i.ToString();dt.Rows.Add(dr);this.comboBoxEdit1.Properties.Items.Add(i);//绑定数据到控件                }this.lookUpEdit1.Properties.DataSource = dt;this.lookUpEdit1.Properties.ValueMember = "value";this.lookUpEdit1.Properties.DisplayMember = "value";this.lookUpEdit1.Properties.ShowHeader = false;}private void comboBoxEdit1_KeyUp(object sender, KeyEventArgs e){try{string str = comboBoxEdit1.Text.ToString();//if (str == "")//    return;comboBoxEdit1.Properties.Items.Clear();//无论有没有过滤，都要清空原来的值string s = "value like '%" + str + "%'";DataView v = dt.DefaultView;v.RowFilter = s;DataTable dtt = v.ToTable();if (dtt.Rows.Count > 0)//如果输入的值过滤后有满足的值，则加载满足条件的值,否则加载全部{for (int i = 0; i < dtt.Rows.Count; i++){this.comboBoxEdit1.Properties.Items.Add(dtt.Rows[i]["value"].ToString());}}else{for (int i = 0; i < dt.Rows.Count; i++){comboBoxEdit1.Properties.Items.Add(dt.Rows[i]["value"].ToString());}}}catch (Exception){//TODO}}}
}