Week Function (DateTime, Long, Long) | |
Returns a number representing the week of the year from a Date or DateTime expression.
Namespace:
XSharp.VFP
Assembly:
XSharp.VFP (in XSharp.VFP.dll) Version: 2.19
Syntax FUNCTION Week(
tExpression AS DateTime,
nFirstWeek AS LONG,
nFirstDayOfWeek AS LONG
) AS LONG
public static int Week(
DateTime tExpression,
[DefaultParameterValueAttribute(1, 0)] int nFirstWeek,
[DefaultParameterValueAttribute(1, 0)] int nFirstDayOfWeek
)
Request Example
View SourceParameters
- tExpression
- Type: DateTime
Specifies the DateTime expression for which WEEK( ) returns the week of the year. - nFirstWeek
- Type: Long
Specifies how the first week should be calculated. Valid values are 1, 2 and 3.
The value 0 which can be set in the Options box in FoxPro is the same as the default value 1.
The remarks section has a list of all possible values.
- nFirstDayOfWeek
- Type: Long
Specifies the first day of the week. Valid values are 1 (Sunday) - 7 (Saturday).
The value 0 which can be set in the Options box in FoxPro is the same as the default value 1.
The remarks section has a list of all possible values.
Return Value
Type:
Long
Numeric type.
Week() returns a number representing the week of the year.
Remarks Week() returns a number from 1 to 53 that represents the week of the year.
For example, Week() returns 1 for the first week of the year, 2 for the second week of the year, and so on.
Note that a week can be split between years — the first week of the year can be in the current year and the previous year.
Possible values for nFirstweek are
nFirstweek | Description |
---|
0 and 1 |
First week contains January 1st. This is the default when you omit nFirstweek |
2 |
The larger half (four days) of the first week is in the current year.
|
3 |
First week has seven days.
|
Possible values for nFirstDayOfWeek are
nFirstDayOfWeek | Description |
---|
0 and 1 |
Sunday. This is the default when you omit nFirstDayOfWeek |
2 |
Monday
|
3 |
Tuesday
|
4 |
Wednesday
|
5 |
Thursday
|
6 |
Friday
|
7 |
Saturday
|
Examples 1Clear
2? Week(Date( ))
3? Week({^1998-02-16})
See Also