static void Main(string[] args)
{
using (DBDataContext db = new DBDataContext())
{
try
{
//获取要删除的数据
Test data = db.Test.SingleOrDefault(x => x.Name.Equals("张三1"));
//删除数据
db.Test.DeleteOnSubmit(data);
//提交删除
db.SubmitChanges();
Console.WriteLine("数据删除成功！");
}
catch
{
Console.WriteLine("数据删除失败！");
}
}
}
static void Main(string[] args)
{
using (DBDataContext db = new DBDataContext())
{
try
{
//查询张三的信息到data
Test data = db.Test.First(x => x.Name.Equals("张三"));
//修改张三的信息
data.Name = "张三1";
data.Sex = "女";
//提交更改
db.SubmitChanges();
Console.WriteLine("数据修改成功！");
}
catch
{
Console.WriteLine("数据修改失败！");
}
}
}
/// <summary>
/// 添加数据
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
using (DBDataContext db = new DBDataContext())
{
try
{
//实例化数据
Test data = new Test();
data.Name = "测试";
data.Sex = "男";
data.Time = DateTime.Now;
//添加数据
db.Test.InsertOnSubmit(data);
//提交更改
db.SubmitChanges();
Console.WriteLine("数据添加成功！");
}
catch
{
Console.WriteLine("数据添加失败！");
}
}
}
