488
Chapter 3: ColdFusion Functions
Asc
Description
Determines the value of a character.
Returns
The value of the first character of a string; if string is empty, returns zero.
Category
String functions
Function syntax
Asc
(
string
)
See also
Chr
History
ColdFusion MX: Changed Unicode support: ColdFusion supports the Java UCS-2
representation of Unicode characters, up to a value of 65536. (Earlier releases supported 1-255.)
Parameters
Example
<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>Enter a character</h4>
</cfif>
</cfif>
<form action = "asc.cfm" method=post>
<p>Enter 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>
Parameter
Description
string
A string
Summary of Contents for COLFUSION MX 7-CFML
Page 1: ...COLDFUSION MX7 CFML Reference...
Page 20: ...20 Chapter 1 Reserved Words and Variables...
Page 50: ...50 Chapter 2 ColdFusion Tags cfelse br Searching cfif cfloop cfif...
Page 101: ...cfdefaultcase 101 cfdefaultcase cfswitch cfoutput Your grade is grade cfoutput...
Page 115: ...cfdocumentsection 115 cfdocumentsection cfoutput cfdocument...
Page 411: ...cftable 411 cftable body html...
Page 515: ...Chr 515 maxlength 5 p input type Submit name input type RESET cfform...
Page 605: ...GetEncoding 605 WriteOutput The encoding is theEncoding cfscript cfif...
Page 629: ...GetProfileString 629 tr td input type Submit name Submit value Submit td td td tr table form...
Page 655: ...IIf 655 cfoutput IIf Hour Now GTE 12 DE It is afternoon or evening DE It is morning cfoutput b...
Page 664: ...664 Chapter 3 ColdFusion Functions cfelse h3 Conversion error h3 cfif...
Page 687: ...IsStruct 687 cfoutput cfquery cfif cfoutput hr Employee Add Complete cfoutput cfcase cfswitch...
Page 751: ...LSDateFormat 751 hr noshade cfoutput cfloop...
Page 861: ...StructFind 861 cfquery cfif cfoutput hr Employee Add Complete cfoutput cfcase cfswitch...
Page 903: ...Val 903 value Is the beginning numeric name form...
Page 932: ...932 Chapter 3 ColdFusion Functions...
Page 944: ...944 Chapter 4 ColdFusion MX Flash Form Style Reference...
Page 962: ...962 Chapter 5 Application CFC Reference...
Page 1054: ...1054 Chapter 6 ColdFusion MX Event Gateway Reference...