Slide 11.22: WML tasks (cont.)
  Slide 11.24: WML ONEVENT and TEMPLATE tags
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WML Tasks (Cont.)

REFRESH Tag
The <refresh> tag is used to update the current display. In other words, whatever card is currently being displayed will be refreshed. The <refresh> tag can only be nested inside an <anchor>, <do>, or <onevent> element. This tag can contain one or more <setvar> elements which are used to set new values for named variables.




 


SETVAR Tag
The <setvar> tag is used to assign a value to a named variable. The assignment is done using a name/value pair where the name is set by the name attribute and the value by the value attribute. The name of the variable in the name/value pair must be of correct syntax. For example, the following code will create a variable named i with a value of 500: 
   <setvar name="i" value="500"/>
The <setvar> tag can only be nested in the <go>, <prev>, and <refresh> tags.