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SqlFunctions.DateAdd Method (String, Nullable<Double>, Nullable<TimeSpan>)

Returns a new time span value based on adding an interval to the specified time span.

Namespace:  System.Data.Objects.SqlClient
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

[EdmFunctionAttribute("SqlServer", "DATEADD")]
public static Nullable<TimeSpan> DateAdd(
	string datePartArg,
	Nullable<double> number,
	Nullable<TimeSpan> time
)

Parameters

datePartArg
Type: System.String
The part of the date to increment.
number
Type: System.Nullable<Double>
The value used to increment a date by a specified amount.
time
Type: System.Nullable<TimeSpan>
The time span to increment.

Return Value

Type: System.Nullable<TimeSpan>
The new time span.

You cannot call this function directly. This function can only appear within a LINQ to Entities query.

This function is translated to a corresponding function in the database. For information about the corresponding SQL Server function, see DATEADD (Transact-SQL).

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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