ASP function Daquan Analytic _asp Foundation

Array () 
function returns an array of
expression Array (list)
allow data types: characters, numbers can
Example:

<%
Dim myarray () for
i = 1 to 7
Redim Preserve myarray (
i) myarray
(i) = WeekdayName (i) next
   %>

Return result: An array containing 7 elements was established myarray
myarray ("Sunday", "Monday", ...) "Saturday")

CInt ()
function Converts an expression to a numeric type
expression CInt (expression)
allow data type: Any valid character can be
Example:

<%
f = "234"
Response.Write CINT (f) + 2
%>

return Result: 236
The conversion character "234" is the number "234" and returns a value of 0 if the string is empty

CreateObject ()
function to establish and return an instance of a registered ActiveX component .
expression CreateObject (objname)
allow data type: objname is the name of any valid, registered ActiveX component.
Example:

<%
Set con = Server.CreateObject ("ADODB.") Connection ")
%>

CSTR ()
function to convert an expression to a string.
expression of CStr (expression)
allow data type: expression is any valid expression.
Example:

<%
s = 3 + 2
Response.Write "The return result is:" & CStr (s)
%>

Return Result: Converts the number "5" to the character "5".

Date ()
function to return the current system date.
An expression Date ()
allow data type: None.
Example:

<%=Date%>

return Result: 9/9/00


DateAdd ()
The function returns a date that has been changed.
expression DateAdd (timeinterval,number,date)
allow data type:
TimeInterval is the time interval to add;
Number is amount of time intervals to add;
And date is the starting date.
Example:

<%
currentdate = #9/9/00#
newdate = DateAdd ("M", 3,currentdate)
Response.Write newdate
%>

<%
currentdate = #12:34:45 pm#
newdate = DATEADD ("h", 3,currentdate)
Response.Write newdate
% >

return Result:

9/9/00
3:34:45 PM
"M" = "month";
"D" = "Day";
If currentdate is in the time format then,
" h" = "hour";
" S" = "second";

DateDiff ()
function returns the difference between two dates.
expression DateDiff (timeinterval,date1,date2 [, FirstDayOfWeek [, FirstWeekOfYear]])
allow data type: TimeInterval represents a type of time separated, such as "M" for "month".
Example:

<%
fromdate = #9/9/00#
toDate = #1/1/2000# Response.Write
"There are" & _
DateDiff ("D", Fromdate,todate) & _
"Days to Millenium from 9/9/00."
%>

Return result: There are 150 days from 9/9/00 to 2000.

Day ()
function returns the day ordinal of a one-month period.
Expression Day (date)
Allow data type: Date is any valid day.
Example:

<%=day (#9/9/00#)%>

Return Result: 4

FormatCurrency ()
function returns an expression that has been formatted as a currency value
expression FormatCurrency (Expression [, Digit [, Leadingdigit [, Paren [, Groupdigit]] ]
allow data type: Digit indicates the number of digits displayed to the right of the decimal point. The default value is-1, which indicates that the computer's locale is being used; Leadingdigit a three-state constant that indicates whether to display 0 of the decimal point in the front.
Example:

 <%=formatcurrency (34.3456)%>

return Result: $34.35

The above is the full content of ASP functions, I hope to help you learn.