Returns the ASCII value (character code) of the first character of a string. Returns 0 if string is empty.
Asc(string)
Parameter |
Description |
---|---|
string |
A string |
<!--- This code illustrates ASC ---> <html> <head> <title> Asc Example </title> </head> <body bgcolor = silver> <H3>Asc Example</H3> <!--- if the character string is not empty, output its ascii value ---> <cfif IsDefined("FORM.charVals")> <cfif FORM.charVals is not ""> <cfoutput>#Left(FORM.charVals,1)# = #Asc(FORM.charVals)#</cfoutput> <cfelse> <!--- if it is empty, output an error message ---> <H4>Please enter a character</H4> </cfif> </cfif> <form action = "asc.cfm" method = "POST"> <P>Type in a character to see its ASCII value <BR><input type = "Text" name = "CharVals" size = "1" MAXLENGTH = "1"> <P><input type = "Submit" name = ""> <input type = "RESET"> </FORM> </body> </html>