ASP function Encyclopedia

ASP function Encyclopedia

1. function Array ()

Function: Create an array variable

Format: Array (list)

Parameters: List of each numeric column in an array variable, separated by a comma

Example:

Result: I was given an array

2. function Cint ()

Function: Converts an expression/other type of variable to an integer type (int)

Format: Cint (expression)

Parameter: expression is any valid expression/other type of variable

Example:

Results: 236

function CInt () converts the character "234" to an integer 234. If the expression is empty or invalid, the return value is 0;

3. Function: Creatobject ()

Function: Creates and returns an ActiveX object.

Format: Creatobject (obname)

Parameters: Obname is the name of the object

Example:

Results:

4. function Cstr ()

Function: Converts an expression/other type of variable to a character type (string)

Format: Cstr (expression)

Parameter: expression is any valid expression/other type of variable

Example:

Result: the function CStr () converts the integer 5 to the character "5".

5. function Date ()

Function: Returns the date of the current system (server side)

Format: Date ()

Parameters: None

Example:

Result: 05/10/00

6. Function Dateadd ()

Function: Calculates a specified time and

Format: DateAdd (timeinterval,number,date)

Parameters: TimeInterval is the time unit (month, day ...); Number is the time interval value, date is the point of origin.

Example:

Results:

11/4/99

3:34:45 PM

which

"M" = "month";

"D" = "Day";

If the format is currentdate, the

"H" = "Hour";

"S" = "second";

7. function Datediff ()

Function: Calculates a specified time difference for a quantity

Format: DateDiff (Timeinterval,date1,date2[,firstdayofweek[,firstdayofyear]])

Parameters: TimeInterval is a time unit; Date1,date2 is a valid date expression, Firstdayofweek,firstdayofyear is any option.

Example:

Results: There are to millenium from 8/4/99.

8. Function Day ()

Function: Returns an integer value that corresponds to a day of the month

Format: Day (date)

Parameter: date is a valid datetime expression;

Example:

Results: 4

9. Function FormatCurrency ()

Functions: Converting to currency format

Format: formatcurrency (expression [, digit[,leadingdigit[,paren[,groupdigit]]]

Parameter: expression is a valid numeric expression; digit represents the number of digits after the decimal point; Leadingdigit,paren,groupdigit is any option.

Example:

Result: $34.35

10. function FormatDateTime ()

Features: Formatting date expressions/variables

Format: FormatDateTime (Date[,nameformat])

Parameter: Date is a valid day expression/variable; NameFormat is the specified date format constant name.

Example:

Results: Wednesday,august 04,1999

11. Function FormatNumber ()

Features: Formatting numeric expressions/variables

Format: Formatnumbe (expression [, digit[,leadingdigit[,paren[,groupdigit]]]

Parameters: Express is a valid numeric expression, digit represents the number of digits after the decimal point; Leadingdigit,paren,groupdigit is any option

Example:

Results: 23.222

12. function FormatPercent ()

Function: Format percent expression/variable

Format: formatnumber (expression [, digit [, leading [, Paren[,groupdigit]]]

Parameter: expression is a valid numeric expression, digit represents the number of digits after the decimal point; Leadingdigit,paren,groupdigit is any option

Example:

Results: 45.233

13. Function: Hour ()

Function: Returns a numeric value corresponding to the specified time.

Format: Hour (time)

Parameter: Time corresponds to the specified period.

Example:

Results: 16 (24-hour system)

14. Function InStr ()

Function: Returns a numeric value that corresponds to the position of a character (string) in another string.

Format: InStr ([Start,]strtobesearched,strsearchfor [, compare])

Parameters: Start (optional) is searched from the start bit, strtobesearched is the search string, strSearchFor is looking for the target. Compare is any option

Example:

Result: 9, (the character "A" is at the nineth bit of the strtext string)

15. Function InStrRev ()

Function: Returns a numeric value that corresponds to the position of a character (string) in another string (looking from the back).

Format: InStrRev ([Start,] strtobesearched,strsearchfor[,compare])

Parameters: Reference InStr (),

Example:

Result: 13, the string "s" is the 13th character of the strtext (from the back start to look for)

16. function int ()

Function: Digital rounding

Format: Int (number)

Parameter: number is any valid numeric expression/other type of variable

Example:

Result: 322 (if using CInt () The result is 323)

17. Function IsArray ()

Function: Returns a Boolean value that determines whether the variable is an array.

Format: IsArray (name)

Parameters: Name is variable names

Example:

Result: false

18. Function IsDate ()

Function: Returns a Boolean value that determines whether a variable is a date variable.

Format: isdate (expression)

Parameter: expression is any variable.

Example:

Result: True

19. Function IsEmpty ()

Function: Returns a Boolean value that determines whether the variable is empty.

Format: isempty (expression)