Interactive Extensions
Interactive Extensions
Ix-Main Namespaces
System.Linq
AsyncQueryable Class
AsyncQueryable Methods
LongCount Method
LongCount(TSource) Method (IAsyncQueryable(TSource))
LongCount(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Boolean)))
LongCount(TSource) Method (IAsyncQueryable(TSource), CancellationToken)
LongCount(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Boolean)), CancellationToken)
AsyncQueryable
.
LongCount
<
TSource
>
Method (IAsyncQueryable
<
TSource
>
)
Namespace:
System.Linq
Assembly:
System.Interactive.Async.Providers (in System.Interactive.Async.Providers.dll) Version: 1.2.0.0
Syntax
C#
Copy
public
static
Task
<
long
>
LongCount
<TSource>(
this
IAsyncQueryable
<TSource>
source
)
Parameters
source
Type:
System.Linq
.
IAsyncQueryable
<
TSource
>
Type Parameters
TSource
Return Value
Type:
Task
<
Int64
>
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type
IAsyncQueryable
<
TSource
>
. When you use instance method syntax to call this method, omit the first parameter. For more information, see
Extension Methods (Visual Basic)
or
Extension Methods (C# Programming Guide)
.
See Also
Reference
AsyncQueryable Class
LongCount Overload
System.Linq Namespace