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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: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
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