>>How can I build PV ? What the step to do it ?
>>
>>Thanks
>
>IN the view designer, specify a filter like
>mytable.mykey = ?myvar
>
>The question mark before the variable name tells it that it is a parameter.
>
>Then before REQUERYing the view, set myvar to your desired parameter.
>
>myvar = "Smith"
>REQUERY('v_mytable')

oh and don't forget to go up into the query menu item and fill in the variable information there too. (ie - myvar Character)