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SqlMethods.DateDiffMillisecond Method (Nullable<DateTime>, Nullable<DateTime>)

Counts the number of millisecond boundaries between two nullable dates.

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

public static Nullable<int> DateDiffMillisecond(
	Nullable<DateTime> startDate,
	Nullable<DateTime> endDate
)

Parameters

startDate
Type: System.Nullable<DateTime>

The start date for the time period.

endDate
Type: System.Nullable<DateTime>

The end date for the time period.

Return Value

Type: System.Nullable<Int32>
When both parameters are not null, returns the number of millisecond boundaries between the two specified dates. When one or both parameters are null, returns a null value.

Corresponds to the SQL Server DATEDIFF function; using millisecond 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

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4
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