Interactive Extensions
Ix-Main Namespaces
System.Linq
AsyncQueryable Class
AsyncQueryable Methods
Sum Method
Sum Method (IAsyncQueryable(Decimal))
Sum Method (IAsyncQueryable(Double))
Sum Method (IAsyncQueryable(Int32))
Sum Method (IAsyncQueryable(Int64))
Sum Method (IAsyncQueryable(Nullable(Decimal)))
Sum Method (IAsyncQueryable(Nullable(Double)))
Sum Method (IAsyncQueryable(Nullable(Int32)))
Sum Method (IAsyncQueryable(Nullable(Int64)))
Sum Method (IAsyncQueryable(Nullable(Single)))
Sum Method (IAsyncQueryable(Single))
Sum Method (IAsyncQueryable(Decimal), CancellationToken)
Sum Method (IAsyncQueryable(Double), CancellationToken)
Sum Method (IAsyncQueryable(Int32), CancellationToken)
Sum Method (IAsyncQueryable(Int64), CancellationToken)
Sum Method (IAsyncQueryable(Nullable(Decimal)), CancellationToken)
Sum Method (IAsyncQueryable(Nullable(Double)), CancellationToken)
Sum Method (IAsyncQueryable(Nullable(Int32)), CancellationToken)
Sum Method (IAsyncQueryable(Nullable(Int64)), CancellationToken)
Sum Method (IAsyncQueryable(Nullable(Single)), CancellationToken)
Sum Method (IAsyncQueryable(Single), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Decimal)))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Double)))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Int32)))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Int64)))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Decimal))))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Double))))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Int32))))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Int64))))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Single))))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Single)))
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Decimal)), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Double)), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Int32)), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Int64)), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Decimal))), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Double))), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Int32))), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Int64))), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Nullable(Single))), CancellationToken)
Sum(TSource) Method (IAsyncQueryable(TSource), Expression(Func(TSource, Single)), CancellationToken)
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AsyncQueryableSumTSource Method (IAsyncQueryableTSource, ExpressionFuncTSource, NullableDecimal)

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<Nullable<decimal>> Sum<TSource>(
	this IAsyncQueryable<TSource> source,
	Expression<Func<TSource, Nullable<decimal>>> selector
)

Parameters

source
Type: System.LinqIAsyncQueryableTSource
selector
Type: System.Linq.ExpressionsExpressionFuncTSource, NullableDecimal

Type Parameters

TSource

Return Value

Type: TaskNullableDecimal

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IAsyncQueryableTSource. 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