Array()
FUNCTION: 返回一個(gè)數(shù)組
SYNTAX: Array(list)
ARGUMENTS: 字符，數(shù)字均可
EXAMPLE: <%
Dim myArray()
For i = 1 to 7
Redim Preserve myArray(i)
myArray(i) = WeekdayName(i)
Next
%>
RESULT: 建立了一個(gè)包含7個(gè)元素的數(shù)組myArray
myArray("Sunday","Monday", ... ... "Saturday")

CInt()
FUNCTION: 將一個(gè)表達(dá)式轉(zhuǎn)化為數(shù)字類型
SYNTAX: CInt(expression)
ARGUMENTS: 任何有效的字符均可
EXAMPLE: <%
f = "234"
response.write cINT(f) + 2
%>
RESULT: 236
轉(zhuǎn)化字符"234"為數(shù)字"234"，如果字符串為空，則返回0值

CreateObject()
FUNCTION: 建立和返回一個(gè)已注冊(cè)的ACTIVEX組件的實(shí)例。
SYNTAX: CreateObject(objName)
ARGUMENTS: objName 是任何一個(gè)有效、已注冊(cè)的ACTIVEX組件的名字.
EXAMPLE: <%
Set con = Server.CreateObject("ADODB.Connection")
%>
RESULT:

CStr()
FUNCTION: 轉(zhuǎn)化一個(gè)表達(dá)式為字符串.
SYNTAX: CStr(expression)
ARGUMENTS: expression 是任何有效的表達(dá)式。
EXAMPLE: <%
s = 3 + 2
response.write "The result is: " & cStr(s)
%>
RESULT: 轉(zhuǎn)化數(shù)字“5”為字符“5”。

Date()
FUNCTION: 返回當(dāng)前系統(tǒng)日期.
SYNTAX: Date()
ARGUMENTS: None.
EXAMPLE: <%=Date%>
RESULT: 8/4/99

DateAdd()
FUNCTION: 返回一個(gè)被改變了的日期。
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: 11/4/99
3:34:45 PM

"m" = "month";
"d" = "day";

If currentDate is in time format then,
"h" = "hour";
"s" = "second";

DateDiff()
FUNCTION: 返回兩個(gè)日期之間的差值 。
SYNTAX: DateDiff(timeinterval,date1,date2 [, firstdayofweek [, firstweekofyear]])
ARGUMENTS: timeinterval 表示相隔時(shí)間的類型，如“M“表示“月”。
EXAMPLE: <%
fromDate = #8/4/99#
toDate = #1/1/2000#
response.write "There are " & _
DateDiff("d",fromDate,toDate) & _
" days to millenium from 8/4/99."
%>
RESULT: 從8/4/99 到2000年還有 150 天.

Day()
FUNCTION: 返回一個(gè)月的第幾日 .
SYNTAX: Day(date)
ARGUMENTS: date 是任何有效的日期。
EXAMPLE: <%=Day(#8/4/99#)%>
RESULT: 4

FormatCurrency()
FUNCTION: 返回表達(dá)式，此表達(dá)式已被格式化為貨幣值
SYNTAX: FormatCurrency(Expression [, Digit [, LeadingDigit [, Paren [, GroupDigit]]]])
ARGUMENTS: Digit 指示小數(shù)點(diǎn)右側(cè)顯示位數(shù)的數(shù)值。默認(rèn)值為 -1，指示使用的是計(jì)算機(jī)的區(qū)域設(shè)置; LeadingDigit 三態(tài)常數(shù)，指示是否顯示小數(shù)值小數(shù)點(diǎn)前面的零。
EXAMPLE: <%=FormatCurrency(34.3456)%>
RESULT: $34.35

FormatDateTime()
FUNCTION: 返回表達(dá)式，此表達(dá)式已被格式化為日期或時(shí)間
SYNTAX: FormatDateTime(Date, [, NamedFormat])
ARGUMENTS: NamedFormat 指示所使用的日期/時(shí)間格式的數(shù)值，如果省略，則使用 vbGeneralDate.
EXAMPLE: <%=FormatDateTime("08/4/99", vbLongDate)%>
RESULT: Wednesday, August 04, 1999

FormatNumber()
FUNCTION: 返回表達(dá)式，此表達(dá)式已被格式化為數(shù)值.
SYNTAX: FormatNumber(Expression [, Digit [, LeadingDigit [, Paren [, GroupDigit]]]])
ARGUMENTS: Digit 指示小數(shù)點(diǎn)右側(cè)顯示位數(shù)的數(shù)值。默認(rèn)值為 -1，指示使用的是計(jì)算機(jī)的區(qū)域設(shè)置。; LeadingDigit i指示小數(shù)點(diǎn)右側(cè)顯示位數(shù)的數(shù)值。默認(rèn)值為 -1，指示使用的是計(jì)算機(jī)的區(qū)域設(shè)置。; Paren 指示小數(shù)點(diǎn)右側(cè)顯示位數(shù)的數(shù)值。默認(rèn)值為 -1，指示使用的是計(jì)算機(jī)的區(qū)域設(shè)置。; GroupDigit i指示小數(shù)點(diǎn)右側(cè)顯示位數(shù)的數(shù)值。默認(rèn)值為 -1，指示使用的是計(jì)算機(jī)的區(qū)域設(shè)置。.
EXAMPLE: <%=FormatNumber(45.324567, 3)%>
RESULT: 45.325

FormatPercent()
FUNCTION: 返回表達(dá)式，此表達(dá)式已被格式化為尾隨有 % 符號(hào)的百分比（乘以 100 ）。 (%)
SYNTAX: FormatPercent(Expression [, Digit [, LeadingDigit [, Paren [, GroupDigit]]]])
ARGUMENTS: 同上.
EXAMPLE: <%=FormatPercent(0.45267, 3)%>
RESULT: 45.267%

Hour()
FUNCTION: 以24時(shí)返回小時(shí)數(shù).
SYNTAX: Hour(time)
ARGUMENTS:
EXAMPLE: <%=Hour(#4:45:34 PM#)%>
RESULT: 16
(Hour has been converted to 24-hour system)

Instr()
FUNCTION: 返回字符或字符串在另一個(gè)字符串中第一次出現(xiàn)的位置.
SYNTAX: Instr([start, ] strToBeSearched, strSearchFor [, compare])
ARGUMENTS: Start為搜索的起始值，strToBeSearched接受搜索的字符串 strSearchFor要搜索的字符.compare比較方式（詳細(xì)見(jiàn)ASP常數(shù)）
EXAMPLE: <%
strText = "This is a test!!"
pos = Instr(strText, "a")
response.write pos
%>
RESULT: 9

InstrRev()
FUNCTION: 同上，只是從字符串的最后一個(gè)搜索起
SYNTAX: InstrRev([start, ] strToBeSearched, strSearchFor [, compare])
ARGUMENTS: 同上.
EXAMPLE: <%
strText = "This is a test!!"
pos = InstrRev(strText, "s")
response.write pos
%>
RESULT: 13


Int()
FUNCTION: 返回?cái)?shù)值類型,不四舍五入。
SYNTAX: Int(number)
ARGUMENTS:
EXAMPLE: <%=INT(32.89)%>
RESULT: 32

IsArray()
FUNCTION: 判斷一對(duì)象是否為數(shù)組，返回布爾值 .
SYNTAX: IsArray(name)
ARGUMENTS:
EXAMPLE: <%
strTest = "Test!"
response.write IsArray(strTest)
%>
RESULT: False

IsDate()
FUNCTION: 判斷一對(duì)象是否為日期，返回布爾值
SYNTAX: IsDate(expression)
ARGUMENTS: expression is any valid expression.
EXAMPLE: <%
strTest = "8/4/99"
response.write IsDate(strTest)
%>
RESULT: True

IsEmpty()
FUNCTION: 判斷一對(duì)象是否初始化，返回布爾值.
SYNTAX: IsEmpty(expression)
ARGUMENTS:
EXAMPLE: <%
Dim i
response.write IsEmpty(i)
%>
RESULT: True

IsNull()
FUNCTION: 判斷一對(duì)象是否為空，返回布爾值.
SYNTAX: IsNull(expression)
ARGUMENTS:
EXAMPLE: <%
Dim i
response.write IsNull(i)
%>
RESULT: False

IsNumeric()
FUNCTION: 判斷一對(duì)象是否為數(shù)字，返回布爾值.
SYNTAX: IsNumeric(expression)
ARGUMENTS:
EXAMPLE: <%
i = "345"
response.write IsNumeric(i)
%>
RESULT: True
就算數(shù)字加了引號(hào)，ASP還是認(rèn)為它是數(shù)字。

IsObject()
FUNCTION: 判斷一對(duì)象是否為對(duì)象，返回布爾值.
SYNTAX: IsObject(expression)
ARGUMENTS:
EXAMPLE: <%
Set con = Server.CreateObject("ADODB.Connection")
response.write IsObject(con)
%>
RESULT: True

LBound()
FUNCTION: 返回指定數(shù)組維的最小可用下標(biāo).
SYNTAX: Lbound(arrayname [, dimension])
ARGUMENTS: ; dimension 指明要返回哪一維下界的整數(shù)。使用 1 表示第一維，2 表示第二維，以此類推。如果省略 dimension 參數(shù)，默認(rèn)值為 1.
EXAMPLE: <%
i = Array("Monday","Tuesday","Wednesday")
response.write LBound(i)
%>
RESULT: 0

LCase()
FUNCTION: 返回字符串的小寫(xiě)形式
SYNTAX: Lcase(string)
ARGUMENTS: string is any valid string expression.
EXAMPLE: <%
strTest = "This is a test!"
response.write LCase(strTest)
%>
RESULT: this is a test!

Left()
FUNCTION: 返回字符串左邊第length個(gè)字符以前的字符（含第length個(gè)字符).
SYNTAX: Left(string, length)
ARGUMENTS:
EXAMPLE: <%
strTest = "This is a test!"
response.write Left(strTest, 3)
%>
RESULT: Thi

Len()
FUNCTION: 返回字符串的長(zhǎng)度.
SYNTAX: Len(string varName)
ARGUMENTS:
EXAMPLE: <%
strTest = "This is a test!"
response.write Len(strTest)
%>
RESULT: 15

LTrim()
FUNCTION: 去掉字符串左邊的空格.
SYNTAX: LTrim(string)
ARGUMENTS:
EXAMPLE: <%
strTest = " This is a test!"
response.write LTrim(strTest)
%>
RESULT: This is a test!

Mid()
FUNCTION: 返回特定長(zhǎng)度的字符串(從start開(kāi)始,長(zhǎng)度為length).
SYNTAX: Mid(string, start [, length])
ARGUMENTS:
EXAMPLE: <%
strTest = "This is a test! Today is Monday."
response.write Mid(strTest, 17, 5)
%>
RESULT: Today

Minute()
FUNCTION: 返回時(shí)間的分釧.
SYNTAX: Minute(time)
ARGUMENTS:
EXAMPLE: <%=Minute(#12:45:32 PM#)%>
RESULT: 45

Month()
FUNCTION: 返回日期.
SYNTAX: Month(date)
ARGUMENTS: date is any valid date expression.
EXAMPLE: <%=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: August

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.
EXAMPLE: <%
strTest = "This is an apple!"
response.write Replace(strTest, "apple", "orange")
%>
RESULT: This is an orange!

Right()
FUNCTION: 返回字符串右邊第length個(gè)字符以前的字符（含第length個(gè)字符).
SYNTAX: Right(string, length)
ARGUMENTS: .
EXAMPLE: <%
strTest = "This is an test!"
response.write Right(strTest, 3)
%>
RESULT: st!

Rnd()
FUNCTION: 產(chǎn)生一個(gè)隨機(jī)數(shù).
SYNTAX: Rnd [ (number) ]
ARGUMENTS:
EXAMPLE: <%
Randomize()
response.write RND()
%>
RESULT: 任何一個(gè)在0 到 1 之間的數(shù)

Round()
FUNCTION: 返回按指定位數(shù)進(jìn)行四舍五入的數(shù)值.
SYNTAX: Round(expression [, numRight])
ARGUMENTS: numRight數(shù)字表明小數(shù)點(diǎn)右邊有多少位進(jìn)行四舍五入。如果省略，則 Round 函數(shù)返回整數(shù).
EXAMPLE: <%
i = 32.45678
response.write Round(i)
%>
RESULT: 32

Rtrim()
FUNCTION: 去掉字符串右邊的字符串.
SYNTAX: Rtrim(string)
ARGUMENTS:
EXAMPLE: <%
strTest = "This is a test!! "
response.write RTrim(strTest)
%>
RESULT: This is a test!!

Second()
FUNCTION: 返回秒.
SYNTAX: Second(time)
ARGUMENTS: .
EXAMPLE: <%=Second(#12:34:28 PM#)%>
RESULT: 28

StrReverse()
FUNCTION: 反排一字符串
SYNTAX: StrReverse(string)
ARGUMENTS:
EXAMPLE: <%
strTest = "This is a test!!"
response.write StrReverse(strTest)
%>
RESULT: !!tset a si sihT

Time()
FUNCTION: 返回系統(tǒng)時(shí)間.
SYNTAX: Time()
ARGUMENTS: .
EXAMPLE: <%=Time%>
RESULT: 9:58:28 AM

Trim()
FUNCTION: 去掉字符串左右的空格.
SYNTAX: Trim(string)
ARGUMENTS: string is any valid string expression.
EXAMPLE: <%
strTest = " This is a test!! "
response.write Trim(strTest)
%>
RESULT: This is a test!!

UBound()
FUNCTION: 返回指定數(shù)組維數(shù)的最大可用下標(biāo)>.
SYNTAX: Ubound(arrayname [, dimension])
ARGUMENTS: ; dimension (optional) 指定返回哪一維上界的整數(shù)。1 表示第一維，2 表示第二維，以此類推。如果省略 dimension 參數(shù)，則默認(rèn)值為 1.
EXAMPLE: <%
i = Array("Monday","Tuesday","Wednesday")
response.write UBound(i)
%>
RESULT: 2

UCase()
FUNCTION: 返回字符串的大寫(xiě)形式.
SYNTAX: UCase(string)
ARGUMENTS:
EXAMPLE: <%
strTest = "This is a test!!"
response.write UCase(strTest)
%>
RESULT: THIS IS A TEST!!

VarType()
FUNCTION: 返回指示變量子類型的值
SYNTAX: VarType(varName)
ARGUMENTS:
EXAMPLE: <%
i = 3
response.write varType(i)
%>
RESULT: 2(數(shù)字)詳見(jiàn)"asp常數(shù)"

WeekDay()
FUNCTION: 返回在一周的第幾天.
SYNTAX: WeekDay(date [, firstdayofweek])
ARGUMENTS: .
EXAMPLE: <%
d = #8/4/99#
response.write Weekday(d)
%>
RESULT: 4(星期三)

WeekDayName()
FUNCTION: 返回一周第幾天的名字.
SYNTAX: WeekDayName(weekday [, Abb [, firstdayofweek]])
ARGUMENTS: Abb可選。Boolean 值，指明是否縮寫(xiě)表示星期各天的名稱。如果省略， 默認(rèn)值為 False，即不縮寫(xiě)星期各天的名稱.firstdayofweek指明星期第一天的數(shù)值
EXAMPLE: <%
d = #8/4/99#
response.write WeekdayName(Weekday(d))
%>
RESULT: Wednesday

Year()
FUNCTION: 返回當(dāng)前的年份.
SYNTAX: Year(date)
ARGUMENTS:
EXAMPLE: <%=Year(#8/4/99#)%>
RESULT: 1999