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Linq Coding Part One
Linq Search Process
Linq To ArrayList
public
class
Student
{
public
String FirstName
{
get
;
set
; }
public
String LastName
{
get
;
set
; }
public
Int32[] Scores
{
get
;
set
; }
}
public
class
LinqToArrayList : Interface
{
Interface Members
#region
Interface Members
public
void
invoke()
{
ArrayList arrList
=
new
ArrayList();
arrList.Add(
new
Student
{
FirstName
=
"
Svetlana
"
,
LastName
=
"
Omelchenko
"
,
Scores
=
new
int
[]
{
98
,
92
,
81
,
60
}
}
);
arrList.Add(
new
Student
{
FirstName
=
"
Claire
"
,
LastName
=
"
O’Donnell
"
,
Scores
=
new
int
[]
{
75
,
84
,
91
,
39
}
}
);
arrList.Add(
new
Student
{
FirstName
=
"
Sven
"
,
LastName
=
"
Mortensen
"
,
Scores
=
new
int
[]
{
88
,
94
,
65
,
91
}
}
);
arrList.Add(
new
Student
{
FirstName
=
"
Cesar
"
,
LastName
=
"
Garcia
"
,
Scores
=
new
int
[]
{
97
,
89
,
85
,
82
}
}
);
var query
=
from Student student
in
arrList
where
student.Scores[
0
]
>
95
select student;
foreach
(Student s
in
query)
Console.WriteLine(s.LastName
+
"
:
"
+
s.Scores[
0
]);
Console.WriteLine(
"
press any key to exit.
"
);
Console.ReadKey();
}
#endregion
}
LINQ Coding 目录
Linq Coding -- Part One
Linq Coding -- Part Two[标准查询运算符]
Linq Coding -- Part Three [Let子句]
Linq Coding -- Part Four[Concat应用]
Linq Coding -- Part Five (Join之内部联接查询)
Linq Coding -- Part Six (Join之分组联接)
Linq Coding -- Part Seven (Join之左外部联接、DefaultIfEmpty、GroupJoin)
查看全文
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原文地址:https://www.cnblogs.com/RuiLei/p/1081882.html
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