您现在的位置： 
quot;Test!"
response.write IsArray(strTest)
%>
RESULT: False
-------------------------------------
17. IsDate()
FUNCTION: Returns a boolean value indicating whether the expression can be converted to a date.
SYNTAX: IsDate(expression)
ARGUMENTS: expression is any valid expression.
EXAMPLE: <%
strTest = "8/4/99"
response.write IsDate(strTest)
%>
RESULT: True
-------------------------------------
18. IsEmpty()
FUNCTION: Returns a boolean value indicating whether a variable has been initialized.
SYNTAX: IsEmpty(expression)
ARGUMENTS: expression is any valid expression.
EXAMPLE: <%
Dim i
response.write IsEmpty(i)
%>
RESULT: True
-------------------------------------
19. IsNull()
FUNCTION: Returns a boolean value that indicates whether an expression contains no valid datatype.
SYNTAX: IsNull(expression)
ARGUMENTS: expression is any valid expression.
EXAMPLE: <%
Dim i
response.write IsNull(i)
%>
RESULT: False
-------------------------------------
20. IsNumeric()
FUNCTION: Returns a boolean value indicating whether an expression can be evaluated as a number.
SYNTAX: IsNumeric(expression)
ARGUMENTS: expression is any valid expression.
EXAMPLE: <%
i = "345"
response.write IsNumeric(i)
%>
RESULT: True
(Even if there are quotation marks around 345, which indicates datatype of string, IsNumeric() function
will still try to convert a string to numeric value first)
-------------------------------------
response.write IsArray(strTest)
%>
RESULT: False
-------------------------------------
17. IsDate()
FUNCTION: Returns a boolean value indicating whether the expression can be converted to a date.
SYNTAX: IsDate(expression)
ARGUMENTS: expression is any valid expression.
EXAMPLE: <%
strTest = "8/4/99"
response.write IsDate(strTest)
%>
RESULT: True
-------------------------------------
18. IsEmpty()
FUNCTION: Returns a boolean value indicating whether a variable has been initialized.
SYNTAX: IsEmpty(expression)
ARGUMENTS: expression is any valid expression.
EXAMPLE: <%
Dim i
response.write IsEmpty(i)
%>
RESULT: True
-------------------------------------
19. IsNull()
FUNCTION: Returns a boolean value that indicates whether an expression contains no valid datatype.
SYNTAX: IsNull(expression)
ARGUMENTS: expression is any valid expression.
EXAMPLE: <%
Dim i
response.write IsNull(i)
%>
RESULT: False
-------------------------------------
20. IsNumeric()
FUNCTION: Returns a boolean value indicating whether an expression can be evaluated as a number.
SYNTAX: IsNumeric(expression)
ARGUMENTS: expression is any valid expression.
EXAMPLE: <%
i = "345"
response.write IsNumeric(i)
%>
RESULT: True
(Even if there are quotation marks around 345, which indicates datatype of string, IsNumeric() function
will still try to convert a string to numeric value first)
-------------------------------------
