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

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

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

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


Type: System.String

The part of the date to increment.

Type: System.Nullable<Double>

The value used to increment a date by a specified amount.

Type: System.Nullable<DateTimeOffset>

The date to increment.

Return Value

Type: System.Nullable<DateTimeOffset>
The new point in time, expressed as a date and time of day, relative to Coordinated Universal Time (UTC).

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: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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