首先我们还是先建立一个person.cs类 public class person
{
public string name
{ get; set; }
public int age
{ get; set; }
public string sex
{ get; set; }
}
接下来我们往这个person类添加数据:
List plist1 = new List();
plist1.Add(new person { name = "cxx1", age = 24, sex = "男" });
plist1.Add(new person { name = "www.baidu.com", age = 25, sex = "男" });
plist1.Add(new person { name = "www.52mvc.com", age = 26, sex = "男" });
List plist2 = new List();
plist2.Add(new person { name = "cxx1", age = 24, sex = "男" });
plist2.Add(new person { name = "cxx2", age = 28, sex = "男" });
plist2.Add(new person { name = "cxx4", age = 27, sex = "男" });
plist2.Add(new person { name = "cxx5", age = 28, sex = "男" });
// asp.net
var query = from person p in plist1
join person per in plist2
on p.name equals per.name
select new
{
名称=p.name,
性别=p.sex,
年龄=p.age
};
gd2.DataSource = query;
gd2.DataBind();
返回的结果是:
备注:这个方法是要查找出 plist1 与 plist2 之中,name名称有相同记录的数据。
接下来我们来看看sql中的左连接left join 在linq中如何实现
还是先来创建两个cs 类。
///
/// 手机列表
///
public class MobileStore
{
public string mobId
{ set; get; }
public string mobName
{ set; get; }
}
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