Enumerable::Sum Method (IEnumerable<Nullable<Decimal>>^)
Computes the sum of a sequence of nullable Decimal values.
Assembly: System.Core (in System.Core.dll)
public: [ExtensionAttribute] static Nullable<Decimal> Sum( IEnumerable<Nullable<Decimal>>^ source )
Parameters
- source
-
Type:
System.Collections.Generic::IEnumerable<Nullable<Decimal>>^
A sequence of nullable Decimal values to calculate the sum of.
| Exception | Condition |
|---|---|
| ArgumentNullException | source is null. |
| OverflowException | The sum is larger than MaxValue. |
This method returns zero if source contains no elements.
The result doesnot include values that are null.
In Visual Basic query expression syntax, an Aggregate Into Sum() clause translates to an invocation of Sum.
The following code example demonstrates how to use Sum(IEnumerable<Nullable<Single>>^) to sum the values of a sequence.
Note |
|---|
This code example uses an overload of this overloaded method that is different from the specific overload that this topic describes. To extend the example to this topic, substitute the elements of the source sequence with elements of the appropriate numerical type. |
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
