using System;
using System.Collections.Generic;using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace _13._12_ErrorProvider控件
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
if(textBox1.Text.Length<8||textBox1.Text.Length>10)
{
errorProvider1.SetError(textBox1,"用户名必须为8~10位");
}
else
{
errorProvider1.SetError(textBox1,"通过验证");
errorProvider1.Icon = new Icon(@"D:\ICO\dks.ico");
}
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
if(textBox2.Text.Length<6)
{
errorProvider2.SetError(textBox2,"用户密码必须大于6位");
}
else
{
errorProvider2.SetError(textBox2,"通过验证");
errorProvider2.Icon = new Icon(@"D:\ICO\icon.ico");
}
}
private void textBox3_TextChanged(object sender, EventArgs e)
{
if(textBox3.Text!=textBox2.Text)
{
errorProvider3.SetError(textBox3,"第二次输入用户密码必一致");
}
else
{
errorProvider3.SetError(textBox3,"通过验证");
errorProvider3.Icon = new Icon(@"D:\ICO\GameIcon.ico");
}
}
private void button1_Click(object sender, EventArgs e)
{
MessageBox.Show("注册成功","系统提示");
Application.Exit();
}
}
}
1.视图添加ErrorProvider控件