ADO.NET注册

using System;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace WindowsFormsApplication1
{
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}
public string connStr = "server=.;database=test1;integrated security=true";
private void button1_Click(object sender, EventArgs e)
{
string name=textBox1.Text.Trim();
string pwd=textBox2.Text.Trim();
//1.准备sql语句
string sql = "insert into login(name,pwd) values(@a,@b)";
SqlParameter pm1 = new SqlParameter("@a", name);
SqlParameter pm2 = new SqlParameter("@b", pwd);
//2.创建连接对象
SqlConnection conn = new SqlConnection(connStr);
//3.打开连接
conn.Open();
//4.创建执行对象
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.Add(pm1);
cmd.Parameters.Add(pm2);
//5.执行
int row = cmd.ExecuteNonQuery();//执行T-Sql语句并返回受影响行数
if (row==1)
{
MessageBox.Show("注册成功！");
}
else
{
MessageBox.Show("注册失败！");
}
}
}
}