EdmFunctions.StDevP(DbExpression) Method

Reference

Definition

Namespace:: System.Data.Common.CommandTrees.ExpressionBuilder

Assembly:: System.Data.Entity.dll

Important

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Creates a DbFunctionExpression that invokes the canonical 'StDevP' function over the population of the specified collection. The result type of the expression is Edm.Double.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbFunctionExpression ^ StDevP(System::Data::Common::CommandTrees::DbExpression ^ collection);

public static System.Data.Common.CommandTrees.DbFunctionExpression StDevP(this System.Data.Common.CommandTrees.DbExpression collection);

static member StDevP : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression

<Extension()>
Public Function StDevP (collection As DbExpression) As DbFunctionExpression

Parameters

collection: DbExpression

An expression that specifies the collection for which the standard deviation should be computed.

Returns

DbFunctionExpression

A new DbFunctionExpression that produces the standard deviation value.

Exceptions

ArgumentNullException

collection is null.

ArgumentException

collection is invalid.

Applies to

Product	Versions
.NET Framework	4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

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