Coldfusion user define session variable code#

There are built-in session variables similar to client’variables, Table 17.5 lists the built-in session variables that can be referred to in your applications. ColdFusion does not automatically evaluate session variables. Unlike client variables, you must always include the session prefix when referring to session variables. Here are two examples of referring to the session variable session user_name: For more information on the (FLOCKtag, please refer to the end of this chapter.

Coldfusion user define session variable code#

You must use the CFLOCKtag around any block of code containing a reference to a session variable. The (FLOCKshould be a ReadOn1y lock. Storing query results in session variables is useful because it allows you to limit the connections you make to a database, thereby speeding up the process. The following code sets a passed form field equal to the session variable session. You must also scope your variable name with the prefix sessi on. To create a session variable, you must use the CFSET or CFPARAM tags.

CFLOCK is discussed in more detail at the end of this chapter. Whenever you read or write a session variable, you need to use the CFLOCK tag around it.

cfm template, you are now ready to start creating and using session variables.Ĭreating session variables is basically the same as creating client variables, except that session variables must also be locked. If you have enabled SESSIOMANAGEMENTin your Application.