c#中TextBox输入提示功能

设置TextBox的AutoCompleteSource的属性为CustomSource，设置TextBox的AutoCompleteMode属性为SuggestAppend。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using WindowsApplication7.DataSet1TableAdapters;

namespace WindowsApplication7
{
    public partial class Form1 : Form
    {
        DataSet1 ds = new DataSet1();
        CustomersTableAdapter adpter = new CustomersTableAdapter();
        public Form1()
        {
            InitializeComponent();
          
        }

        private void BuildAutoCompleteList()
        {
            AutoCompleteStringCollection filterVals = new AutoCompleteStringCollection();
            foreach (DataRow dr in ds.Customers)
            {
                filterVals.Add(dr["CompanyName"].ToString());
            }
            txtCompanyName.AutoCompleteCustomSource = filterVals;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            adpter.Fill(ds.Customers);
            BuildAutoCompleteList();
         }

    }
}

本文来自优快云博客，转载请标明出处：http://blog.youkuaiyun.com/zhuzhao/archive/2009/01/02/3686061.aspx