| AsyncQueryable.Sum<TSource> Method (IAsyncQueryable<TSource>, Expression<Func<TSource, Nullable<Decimal>>>, CancellationToken) |
Namespace: System.Linq
Assembly: System.Interactive.Async.Providers (in System.Interactive.Async.Providers.dll) Version: 1.2.0.0
SyntaxC#
public static Task<Nullable<decimal>> Sum<TSource>( this IAsyncQueryable<TSource> source, Expression<Func<TSource, Nullable<decimal>>> selector, CancellationToken cancellationToken )
Parameters
- source
- Type: System.Linq.IAsyncQueryable<TSource>
- selector
- Type: System.Linq.Expressions.Expression<Func<TSource, Nullable<Decimal>>>
- cancellationToken
- Type: System.Threading.CancellationToken
Type Parameters
- TSource
Return Value
Type: Task<Nullable<Decimal>>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