编写sqlhelper类示例

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 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("'@hobbit'","哈哈哈")});
            foreach(DataRow row in ds.Tables[0].Rows)
            {
                string name = (string)row["Name"];
                MessageBox.Show(name);
            }
        }
    }
}

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