DateDiff Method (String, Nullable(DateTime), String)

SqlFunctions.DateDiff Method (String, Nullable(Of DateTime), String)

.NET Framework (current version)
 

Returns the count of the specified datepart boundaries crossed between the specified start date and end date.

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

<EdmFunctionAttribute("SqlServer", "DATEDIFF")>
Public Shared Function DateDiff (
	datePartArg As String,
	startDate As Nullable(Of Date),
	endDate As String
) As Nullable(Of Integer)

Parameters

datePartArg
Type: System.String

The part of the date to calculate the differing number of time intervals.

startDate
Type: System.Nullable(Of DateTime)

The first date.

endDate
Type: System.String

The second date.

Return Value

Type: System.Nullable(Of Int32)

The number of time intervals between the two dates.

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 DATEDIFF (Transact-SQL).

.NET Framework
Available since 4.0
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