先看一下linq如何过滤数据。类似sql语句，是sql语句的倒装 from where select 。where 也可以写多个。
//利用linq筛选数据
string[] strs =
new String[] {
"One",
"Two",
"Three" };
var query =
from ss
in strs
where ss.StartsWith(
"T")
select ss;
//查询开头是t的
foreach (String s
in query)
{
Console.WriteLine(s);//输出 two three
}
Console.ReadLine();
//创建实体类
public class Programer
{
public String Name {
get;
set; }
public String Language {
get;
set; }
}
Programer[] ps =
new Programer[]
{
new Programer(){ Name=
"张?三y", Language=
"C#"},
new Programer(){ Name=
"李?四?", Language=
"C#"},
new Programer(){ Name=
"王?五?", Language=
"Java"}
};
//筛选Language==c# 和name==张?三y 的数据
var queryPs =
from p
in ps
where p.Language ==
"C#"
where p.Name ==
"张?三y"
select new {
Name =
p.Name,
Language =
p.Language
};
//foreach 循环输出
foreach (
var p
in queryPs)
{
Console.WriteLine(String.Format("Name:{0}\t\tLanguage:{1}", p.Name, p.Language));
}
Console.ReadLine();
转载于:https://www.cnblogs.com/cuiguangzhi/archive/2012/12/25/2832461.html
相关资源：C# linq经典语法
