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hi every body

i have a page based on template page. inside a template page i have a Popup for deleteing a recrod with a confirmation message.

i want to call the popup from a button found in the page which have an action for delete , when i press on a button from the page the popup is shown , but when i click on ok button to execute delete action i get this message : Null Pointer Exception. i think that the binding for delete should found in template page,how can i solve this problem.

thanks
maher