Introduction to ASP Functions (II.)

Function 24. Function LCase ()
Function: Change the character of a character type to a small write character.
Format: Lcase (String)
Parameters: String is the number of string changes
Example:
<%
Str= "This is lcase!"
Response.Write Lcase (str)
%>
Results: This is lcase!
25. Function Left ()
Function: Intercepts the front part of a string;
Format: Left (string,length)
Parameters: string strings, length intercept lengths.
Example: <% =left ("This is a test!", 6)%>
Results: This I
26. Function Len ()
Function: Returns the length of a character or variable
Format: Len (string |varname)
Parameters: string strings; varname arbitrary variable name
Example:
<%
Strtest= "This is a test!"
Response.Write Left (strtest)
%>
Results: 15
27. Function LTrim ()
Function: Remove the space before the string.
Format: LTrim (String)
Parameters: String String.
Example: <% =ltrim ("This is a test!")
Results: This is a test!
28. Function mid ()
Function: intercepts strings from strings.
Format: Mid (String,start [, length])
Parameters: String strings, start intercept start, length to intercept the length.
Example:
<%
Strtest= "This are a test, today is monday!"
Response.Write Mid (strtest,17,5)
%>
Outcome: Today
29. Function minute ()
Function: Returns a value indicating the Minutes
Format: Minute (time)
Parameters: Time is the change in time
Example lt;% =minute (#12:23:34#)%>
Results: 23
30. Function month ()
Function: Returns a value indicating the month
Format: Month (time)
Parameters: Time is the date change
Example <% =month (#08/09/99)%>
Results: 9
31. Function MonthName ()
Function: Returns the string (name) of the month.
Format: MonthName (date [, ABB])
Parameters: Date is the change in dates, the abb=true of the month,
Example:
<% =monthname (#4/5/99#)%>
Outcome: April
32. Functions Now ()
Function: Returns the system's time and date.
Format: Now ()
Parameters: No
Example:
<% =now ()%>
Results: 05/10/00 8:45:32 pm
33. Function: replace ()
Function: Find in a string instead of the specified string.
Format: replace (Strtobesearched,strsearchfor,strreplacewith [, Start[,count[,compare]]])
Parameters: Strtobesearched is a string; The strsearchfor is the substring of the lookup, and the strReplaceWith is an alternative substring. Start,count,compare is any option.
Example:
<%
Strtest= "This is an apple."
Response.Write Replace (strtest, "Apple", "orange")
%>
Results: This is an orange.
34. Function Right ()
Function: Intercepts the back part of a string
Format: Right (string,length)
Parameters: string strings, length intercept lengths.
Example:
<%
Strtest= "This is a test!"
Response.Write Right (strtest,3)
%>
Outcome: st!
35. Function rnd ()
Function: Returns a random numerical value
Format: rnd[(number)]
Parameters: Number is any number value.
Example:
<%
Randomize ()
Response.Write Rnd ()
%>
Results: One of the 0/1 values, Randomize (), cannot produce random numbers.
36. Function round ()
Function: Full numerical value
Format: Round (Expression[,numright])
Parameters: expression numbers, numright arbitrary options.
Example:
<%
i=12.33654
Response.Write Round (i)
%>
Results: 12
37. Function RTrim ()
Function: Remove the space after the string.
Format: RTrim (String)
Parameters: String is a string
Example:
<%
Response.Write RTrim ("This is a test!")
%>
Results: This is a test!
38. Function second ()
Function: Returns an integer value.
Format: Second (time)
Parameters: Time is an effective time expression;
Example lt;% =second (# 12:28:30#)%>
Results: 30
39. Function StrReverse ()
Function: Returns a string that is in reverse alignment with the original string.
Format: StrReverse (String)
Parameters: String is a string
Example <% =strreverse ("This is a test!")
Results:!tset a Si siht
40. Function time ()
Function: Returns the time value of the previous system.
Format: Time ()
Parameters: No
Outcome: 9:58:28 Am
41. Function Trim ()
Function: Delete the string before, after the space.
Format: Trim (String)
Parameters: String String.
Example:
<%
Strtest= ' This is a test! "
Response.Write Trim (strtest)
%>
Results: This is a test!
42. Function UBound ()
Function: Returns the upper bound of a group.
Format: Ubound (expression [, dimension])
Parameters: Expression is a number of expressions/numbers, dimension is any
Example:
<%
i = Array ("1", "2", "3")
Response.Write UBound (i)
%>
Results: 2
43. Function: UCase ()
Function: Change the character of one character type into a large write character.
Format: Ucase (String)
Parameters: String is the number of string changes
Example:
<%
Str= "This is lcase!"
Response.Write Lcase (str)
%>
Results: This is lcase!
44. Function VarType ()
Function: Returns a constant number of changes (integer)
Format: Vartype (varname)
Parameters: VarName is the variable name of any type.
Example:
<%
I=5
Response.Write VarType (i)
%>
Results: 2 (2 for integer, need to refer to ASP constant code.)
45. Function Weekday ()
Function: Returns an integer that corresponds to the day ordinal of a week.
Format: Weekday (date [, Firstofweek])
Parameters: Date is the change of dates, Firstofweek is optional.
Example:
<%
d= # 5/9/00 #
Response.Write Weekday (d)%>
Results: 3 (3 indicates Tuesday)
46. Function WeekdayName ()
Function: Returns a string that corresponds to the day of the week.
Format: WeekdayName (Weekday[,abb[,firstdayofweek]])
Parameters: Weekday as the date change, Abb,firstdayofweek is optional.
Example:
<%
D = #8/4/99#
Response.Write WeekdayName (d)
%>
Outcome: Wednesday
47. Function year ()
Function: Returns the year in which the date table is in.
Format: Year (date)
Parameters: Date is a valid day-table expression
Example:
<% =year (#8/9/99#)%>
Results: 1999