zy08-2011 ADO.NET-08三层架构-实例分析.pptx

文档介绍：-08
Linq to SQL
三层架构-实例分析
使用Linq to SQL设计器
DataContext
数据的更新
DataClasses1DataContext dc = new DataClasses1DataContext();
var query = from c in
where == "女"
select ;

foreach(string s in query)
{
(s);
}
//更新
var q1 = from s in
select s;
foreach (var s in q1)
{
if ( == "男")
{
= "女";
}
else
{
= "男";
}
}
();
Student stu1 = new Student();
= "111111";
= "111";
= 1;
= 1;
= "111";
= "男";

= "黄博博";
(stu1);
();
选课
概率论与数理统计
计算机组成原理
.NET移动开发