EdmFunctions.Hour Method (DbExpression)

 

Creates a DbFunctionExpression that invokes the canonical 'Hour' function with the specified argument, which must have a DateTime, DateTimeOffset or Time result type. The result type of the expression is Edm.Int32.

Namespace:   System.Data.Entity.Core.Common.CommandTrees.ExpressionBuilder
Assembly:  EntityFramework (in EntityFramework.dll)

public static DbFunctionExpression Hour(
	this DbExpression timeValue
)

Parameters

timeValue
Type: System.Data.Entity.Core.Common.CommandTrees.DbExpression

An expression that specifies the value from which the hour should be retrieved.

Return Value

Type: System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpression

A new DbFunctionExpression that returns the integer hour value from timeValue.

Exception Condition
ArgumentNullException

timeValue is null.

ArgumentException

No overload of the canonical 'Hours' function accepts arguments with the result types of timeValue.