Array () Function: Return to a array Syntax: Array (list) arguments: Characters, numbers can be elimple: <% DIM MyArray () for i = 1 to 7 Redim Preserve MyArray (i) MyArray (i) = weekdayName (i) Next%> Result: Established a number of arrays containing 7 elements MyArraymyArray ("Sunday", "Monday", ... "SATURDAY" Cint () Function: Translate an expression into a digital type Syntax: cint (expression) arguments: Any valid character can be eXample: <% f = " 234 "Response.write CINT (f) 2%> Result: 236 Transformation Character" 234 "is a number" 234 ", if the string is empty, return 0 value createObject () function : Establish and return an instance of a registered ActiveX component. Syntax: createObject (objName) arguments: objName is the name of any valid, registered ActiveX component. EXAMPLE: <% set con = Server.createObject ("AdoDb.Connection")%> Result: cstr () Function: Transformation an expression is a string. Syntax: cstr (expression) arguments: EXpression is any valid expression. EXAMPLE: <% s = 3 2RESPONSE.WRITE "The result is:" & cstr (s)%> Result: Transformation number "5" is character "5". Date () Function: Return the current system date. Syntax: date () arguments: none. Example: <% = DATE%> Result: 8 / 4 / 99 DateAdd () function: Returns a changed date. SYNTAX: DateAdd (timeinterval, number, date) ARGUMENTS: timeinterval is the time interval to add; number is amount of time intervals to add; and date is the starting date. EXAMPLE: <% currentDate = # 8/4/99 # newdate = dateadd ("m", 3, currentdate) response.write newdate%>
<% currentdate = # 12: 34: 45 pm # newdate = dateadd ("h", 3, currentdate) response.write newdate%> Result: 11 / 4/993: 34: 45 PM
"m" = "month"; "d" = "day";
If currentdate is in time format the, "h" = "hour"; "s" = "second"; datediff () Function: Returns the difference between the two dates. Syntax: datediff (TimeInterval, Date1, Date2 [, Firstdayofweek [, Firstweekofwear]] arguments: timeInterval indicates the type of the separation time, such as "M" means "month". EXAMPLE: <% fromdate = # 8/4/99 # Todate = # 1/1/2000 # response.write "There" & _ datediff ("D", fromdate, Todate) & _ "Days To Millenium from 8/4/99. "% Result: From 8/4/99 to 2000, there are still 150 days. Day () function: Return to a month of the first day Syntax: day (date) arguments: date is any valid date. EXAMPLE: <% = day (# 8/4/99 #)%> Result: 4 Formatcurrency () Function: Return expression, this expression is formatted as a currency Value Syntax: formatcurrency (expression [, Digit [, LeadingDigit [, Paren [, GroupDigit]]]) arguments: Digit Indicates the value of the number of digits on the right side of the decimal point. The default value is -1, indicating the area setting of the computer; the LeadingDigit tri-state constant indicates whether the zero in front of the small numerical point is displayed. EXAMPLE: <% = formatcurrency (34.3456)%> Result: $ 34.35 Formator () Function: Return expression, this expression is formatted as date or time Syntax: FormatorDateTime (Date, [, NamedFormat]) arguments: namedFormat Indicates the value of the date / time format used, if omitted, use vbGeneralDate. Example: <% = formtdatetime ("08/4/99 ", vblongdate)%> Result: wednesday, August 04, 1999 FormatNumber () Function: Return expression, this expression has been formatted to values. Syntax: formatNumber (Expression [, DIGIT [, LeadingDigit]]]]] arguments: DIGIT indicates the value of the number of digits on the right side of the decimal point. The default is -1, indicating the area setting of the computer. LeadingDigit i indicates the value of the display bits on the right side of the decimal point. The default is -1, indicating the area setting of the computer. PAREN indicates the value of the number of digits on the right side of the decimal point. The default is -1, indicating the area setting of the computer. GroupDigit i indicates the value of the number of digits on the right side of the decimal point. The default is -1, indicating the area setting of the computer.
EXAMPLE: <% = FormatNumber (45.324567, 3)%> Result: 45.325 Formatpercent () Function: Return expression, this expression has been formatted as a percentage Percentage (multiplied by 100). (%) SYNTAX: FormatPercent (Expression [, Digit [, LeadingDigit [, Paren [, GroupDigit]]]]) ARGUMENTS: above . EXAMPLE: <% = FormatPercent (0.45267, 3)% > 45.267% HOUR () function: Return to the hours in 24. Syntax: HOUR (TIME) arguments: EXAMPLE: <% = HOUR (# 4:45:34 PM #)%> Result: 16 (HOUR HASTEM) instr () Function: Return to character or string in another string The location of the appearance. Syntax: instr ([Start,] Strtobesearched, StrsearchFor [, Compare]) arguments: Start for the starting value of the search, STRTOBESEARCHED accepts the search character string STRSEARCHFOR to search the characters .Compare comparison method (detailed view ASP constant) EXAMPLE: <% strText = "this is a test !!" POS = Instr (Strtext, "A") Response.write POS%> Result: 9 instrrev () Function: , just from the last search of the string, Syntax: instrrev ([Start,] strStrrearched, strSearchfor [, compare]) arguments: . EXAMPLE : <% strText = "this is a test !!" POS = ISTRREV (Strtext, "S") Response.write POS%> Result: 13
int () function: Return to numerical type, not surrounded by. Syntax: int (Number) arguments: EXAMPLE: <% = int (32.89)%> Result: 32 isarray () function: Judgment an object is an array Return to Boolean: isarray (name) arguments: EXAMPLE: <% strate = "test!" Response.write isarray (strTest)%> Result: false Isdate () function: Judging whether an object is a date, return to Boolean Syntax: isdate (expression) arguments: EXPRESSION IS Any Valid Expression. Example: <% strTest = "8 / 4/99 "Response.write isdate (strTRTEST)%> Result: true isempty () function: 一 初 初, return to Boolean value. Syntax: isempty (expression) arguments: EXAMPLE: <% DIM IRESPONSE.WRITE ISEMPTY (i)%> Result: true isnull () function: Judgment is empty, return to Boolean value. Syntax: ISNULL (Expression) arguments: EXAMPLE: <% DIM IRESPONSE.WRITE ISNULL (i)%> Result: false isnumeric () Function: Judgment is an object is Digital, return to Boolean value. Syntax: isnumeric (expression) arguments: EXAMPLE: <% i = "345" Response.write isnumeric (i)%> Result: true Even if the number is added Quotation marks, ASP still think it is a number. ISObject () function: Judgment whether an object is an object, return to Boolean value. Syntax: isobject (expression) arguments: EXAMPLE: <% set con = Server.createObject (" Adodb.connection ") Response.write isobject (con)%> Result: true lbound () function: Return to the minimum available subscript of the specified number set. Syntax: lbound (arrayname , Dimension]) arguments: ; DIMENSION indicates which one of the minimalines to return. Use 1 to represent the first dimension, 2 represents the second dimension, and so on.
If the Dimension parameters are omitted, the default value is 1. EXAMPLE: <% i = array ("Monday", "Tuesday", "Wednesday") Response.write LBound (i)%> Result: 0 lcase () function: Return strings Small-write form Syntax: lcase (String) arguments: String is any value: <% strTrtest = "this is a Test! "Response.write Lcase (strTest)%> Result: this is a test! left () Function: Return to the top of the string (including Changth characters) ). SYNTAX: left (string, length) arguments: EXAMPLE: <% strate = "this is a test!" Response.write Left (strTest, 3)%> Result: thi len () Function: Return the length of the string. Syntax: len (String | Varname) arguments: EXAMPLE: <% strate = "this is a test!" Response. Write len (strTest)%> Result: 15 ltrim () function: 掉 左 空 空 : arguments: EXAMPLE: < % strTest = "this is a test!" Response.write Ltrim (STRTEST)%> Result: this is a test! MID () function: Returns a specific length string (starting from Start) Length Length). Syntax: MID (String, Start [, Length]) arguments: EXAMPLE: <% strTest = "this is a test! T Oday Is Monday. "Response.write MID (Strtest, 17, 5)%> Result: today minute () function: Return time division. Syntax: minute (time) arguments: EXAMPLE: <% = minute (# 12: 45: 32 PM #)%> Result: 45 Month () Function: Return date. Syntax: Month (Date) arguments: date is any value: <% = month (# 08/04/99 #)%> Result: 8 monthname () Function: returns a string Identifying the specified month. Syntax: monthname (Month, [, ABB]) arguments: month is the numeric representation for a given month;
Abb (optional) is a boolean value used to display month abbreviation True will display the abbreviated month name and False (default) will not show the abbreviation. EXAMPLE:. <% = MonthName (Month (# 08/04/99 #))%> Result: ugust now () function: returns the current system date and time. Syntax: NOW () arguments: none EXAMPLE: < % = Now%> Result: 8 / 4/99 9:30:16 AM Replace () function: returns a string in which a specified sub-string Has Been Replaced with Another Substring a Specified number of times. SYNTAX: Replace (strToBeSearched, strSearchFor, strReplaceWith [, start [, count [, compare]]]) ARGUMENTS: strToBeSearched is a string expression containing a sub-string to be replaced; strSearchFor is the string expression to search for within strToBeSearched; strReplaceWith is the string expression to replace sub-string strSearchFor; start (optional) is the numeric character position to begin search; count (optional) is a value indicating the comparision constant. eXAMPL E: <% strate = "this is an apple!" Response.write replace (Strtest, "Apple", "Orange")%> Result: this is an an orange! right () Function : Return to the character (including Changth characters) before the string (including Changth characters). Syntax: right (string, length) arguments: . EXAMPLE: <% strtest = "this is AN Test! "Response.write Right (strTest, 3)%> RESULT: st! rnd () function: Produce a random number. Syntax: rnd [(Number)] arguments: EXAMPLE: <% randomize () Response.write rnd ()%> Result: Round () Function: Return Press specified The number of digits is rounded. Syntax: Round (Expression [, nuMright]) arguments: numright number indicates how many counts of decimal points are rounded.
If omitted, the ROUND function returns an integer. EXAMPLE: <% i = 32.45678Response.write runk (i)%> Result: 32 rtrim () Function: 字String. syntax: rtrim (string) arguments: EXAMPLE: <% strate = "this is a test !!" response.write rtrim (strTRTEST)%> Result: this is a Test !! Second () function: Return second. Syntax: Second (Time) arguments: . EXAMPLE: <% = second (# 12: 34: 28 PM # )%> RESULT: 28 Strreverse () function: 排 一 一 Syntax: strreverse (String) arguments: EXAMPLE: <% strTrtest = "this is a test !! "response.write strreverse (strTest)%> Result: !! tset a si sihttime () function: Return to the system time. Syntax: time () Arguments: . . EXAMPLE: <% = Time%> Result: 9: 58: 28 AM TRIM () function: 字. Syntax: trim (String) Arguments: String is any value: <% strate = "this is a test !!" response.write trim (strtest)%> Result: this is a test !! ubound () function: Return to the maximum available subscript of the specified array dimension. Syntax: ubound (arrayname [, dimension]) arguments: ; DIMENSION (optional) Specify how One Motion integers. 1 Represents the first dimension, 2 means a second dimension, and so on.
