自己编写SqlHelper

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

using System.Data; using System.Data.SqlClient;

namespace _05.自己编写SqlHelper

{

/// <summary>

/// Window1.xaml 的交互逻辑

/// </summary>

public partial class Window1 : Window

{

public Window1()

{

InitializeComponent();

}

//只用来执行查询结果比较少的sql

private void btnds_Click(object sender, RoutedEventArgs e)

{

SqlHelper.ExecuteNonQurey("insert into T_Student(Name,Age) values('张三',55)",

new SqlParameter[0]);

MessageBox.Show("添加成功");

}

private void btnDataSet_Click(object sender, RoutedEventArgs e)

{

DataSet ds= SqlHelper.ExecuteDataSet("select * from T_Student where hobbit='@hobbit'",

new SqlParameter[]{new SqlParameter("","哈哈哈")});

foreach(DataRow row in ds.Tables[0].Rows)

{

string name = (string)row["Name"];

MessageBox.Show(name);

}

}

}

}