Export (0) Print
Expand All

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

.NET Framework 4.6 and 4.5

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 TimeSpan), _
	endDate As Nullable(Of DateTime) _
) As Nullable(Of Integer)


Type: System.String

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

Type: System.Nullable(Of TimeSpan)

The first date.

Type: System.Nullable(Of DateTime)

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

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
© 2015 Microsoft