'Declaration
 
Public Overloads Shared Function DatePart( _
   ByVal interval As DateInterval, _
   ByVal dateValue As Date, _
   Optional ByVal firstDayOfWeekValue As FirstDayOfWeek, _
   Optional ByVal firstWeekOfYearValue As FirstWeekOfYear _
) As Integer

public static int DatePart( 
   DateInterval interval,
   DateTime dateValue,
   FirstDayOfWeek firstDayOfWeekValue,
   FirstWeekOfYear firstWeekOfYearValue
)

Parameters

interval

Required. DateInterval enumeration value or String expression representing the part of the date/time value you want to return.

dateValue

Required. Date value that you want to evaluate.

firstDayOfWeekValue

Optional. A value chosen from the FirstDayOfWeek enumeration that specifies the first day of the week. If not specified, FirstDayOfWeek.Sunday is used.

firstWeekOfYearValue

Optional. A value chosen from the FirstWeekOfYear enumeration that specifies the first week of the year. If not specified, FirstWeekOfYear.Jan1 is used.

Return Value

Reference

DateAndTime Class
DateAndTime Members
Overload List