IsNumeric()  
　FUNCTION: 判断一对象是否为数字，返回布尔值.  
　SYNTAX: IsNumeric(expression)  
　ARGUMENTS:　
　EXAMPLE: <%
i = "345"
response.write IsNumeric(i)
%>  
　RESULT: True
就算数字加了引号，ASP还是认为它是数字。  
　
IsObject()  
　FUNCTION: 判断一对象是否为对象，返回布尔值.  
　SYNTAX: IsObject(expression)  
　ARGUMENTS:　
　EXAMPLE: <%
Set con = Server.CreateObject("ADODB.Connection")
response.write IsObject(con)
%>  
　RESULT: True  
　
LBound()  
　FUNCTION: 返回指定数组维的最小可用下标.  
　SYNTAX: Lbound(arrayname [, dimension])  
　ARGUMENTS: ; dimension 指明要返回哪一维下界的整数。使用 1 表示第一维，2  
表示第二维，以此类推。如果省略 dimension 参数，默认值为 1.  
　EXAMPLE: <%
i = Array("Monday","Tuesday","Wednesday")
response.write LBound(i)
%>  
　RESULT: 0  
　
LCase()  
　FUNCTION:　 返回字符串的小写形式  
　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: 返回字符串左边第length个字符以前的字符（含第length个字符).  
　SYNTAX: Left(string, length)  
　ARGUMENTS:　
　EXAMPLE: <%
strTest = "This is a test!"
response.write Left(strTest, 3)
%>  
　RESULT: Thi  
　
Len()  
　FUNCTION: 返回字符串的长度.  
　SYNTAX: Len(string | varName)  
　ARGUMENTS:　
　EXAMPLE: <%
strTest = "This is a test!"
response.write Len(strTest)
%>  
　RESULT: 15  
　
LTrim()  
　FUNCTION: 去掉字符串左边的空格.  
　SYNTAX: LTrim(string)  
　ARGUMENTS:　
　EXAMPLE: <%
strTest = " This is a test!"
response.write LTrim(strTest)
%>  
　RESULT: This is a test!  
　
Mid()  
　FUNCTION: 返回特定长度的字符串(从start开始,长度为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: 返回时间的分钏.  
　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: 返回字符串右边第length个字符以前的字符（含第length个字符).  
　SYNTAX: Right(string, length)  
　ARGUMENTS: .  
　EXAMPLE: <%  
strTest = "This is an test!"
response.write Right(strTest, 3)
%>  
　RESULT: st!