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The isnumeric function is easy to use, simply place a value or variable in the isnumeric expression and if the result is false then it\'s not numeric and if it\'s true then it is numeric.
<%
tmpval = 123
if isNumeric(tmpval) then
Response.write "The value:"&tmpval&" is numeric"
else
Response.write "The value:"&tmpval&" is not numeric"
end if
tmpval2 = "abc"
if isNumeric(tmpval2) then
Response.write "The value: "&tmpval2&" is numeric"
else
Response.write "The value:"&tmpval2&" is not numeric"
end if
%>
The example above will result in the following being outputted to the screen.
The value: 123 is numeric
The value: abc is not numeric