SqlMethods.DateDiffSecond Method (DateTime, DateTime)


The .NET API Reference documentation has a new home. Visit the .NET API Browser on docs.microsoft.com to see the new experience.

Counts the number of second boundaries between two non-nullable dates.

Namespace:   System.Data.Linq.SqlClient
Assembly:  System.Data.Linq (in System.Data.Linq.dll)

public static int DateDiffSecond(
	DateTime startDate,
	DateTime endDate


Type: System.DateTime

The start date for the time period.

Type: System.DateTime

The end date for the time period.

Return Value

Type: System.Int32

The number of second boundaries between the two specified dates.

Corresponds to the SQL Server DATEDIFF function; using second to specify the type of time boundary crossed. For more about this SQL Server function, see DATEDIFF in the Microsoft SQL Server Books Online.

.NET Framework
Available since 3.5
Windows Phone Silverlight
Available since 7.1
Return to top