类名

扩展的类型

方法名

参数

作用

XmlNodeExtensions

XmlNode

GetAttributeValueOrNull

attributeName

Gets an   attribute's value from an Xml node.

JsonExtensions

object

ToJsonString

bool   camelCase

bool   indented

Converts   given object to JSON string.

StreamExtensions

Stream

GetAllBytes

Get all   bytes from a steam

LockExtensions

object

Locking

Action

Executes   given action by locking given source object.

LockExtensions

T

Locking<T>

Action<T>

Executes   given action by locking given source object.

LockExtensions

object

Locking<TResult>

Func<TResult>

Executes   given func and returns it's value by locking given source object.

LockExtensions

T

Locking<T,   TResult>

Func<T,   TResult>

Executes   given func and returns it's value by locking given source object.

IsolationLevelExtensions

System.Transactions.IsolationLevel

ToSystemDataIsolationLevel

NA

Converts   System.Transactions.IsolationLevel to System.Data.IsolationLevel

QueryableExtensions

IQueryable

IncludeIf

bool   condition, string path

Specifies   the related objects to include in the query results.

QueryableExtensions

IQueryable<T>

IncludeIf<T>

bool   condition, string path

Specifies   the related objects to include in the query results.

QueryableExtensions

IQueryable<T>

IncludeIf<T,   TProperty>

bool   condition, Expression<Func<T, TProperty>> path

Specifies   the related objects to include in the query results.

DbContextExtensions

Type

GetEntityTypes

NA

获取DbContext中的所有entity类型

MemberInfoExtensions

MemberInfo

GetSingleAttributeOrNull<T>

bool   inherit

Gets a   single attribute for a member.