Programming ColdFusion MX, 2nd Edition

Name

IsQuery

Synopsis

                  
                  IsQuery(value)

Returns true if the specified value is a valid ColdFusion query or false if it isn’t. Examples:

<cfset Form.MyFormVar = "This is a form variable">
<cfset URL.MyURLVar = "This is a URL variable">
<cfset Grades = ArrayNew(1)>
<cfset Grades[1] = 95>
<cfset Grades[2] = 93>
<cfset Grades[3] = 87>
<cfset Grades[4] = 100>
<cfset Grades[5] = 74>
   
<cfif IsQuery(Form.MyFormVar)>
  Form.MyFormVar is a query!
<cfelseif IsQuery(URL.MyURLVar)>
  URL.MyURLVar is a query!
<cfelseif IsQuery(Grades)>
  Grades is a query!
<cfelse>
  No variables are queries!
</cfif>