Ajax actions Ajax actions for form elements (added in v 4.3)

  
                                $pdocrud = new PDOCrud();
                                $pdocrud->relatedData('expense_category_id','expense_category','expense_category_id','name');
                                $pdocrud->fieldTypes("student_id", "select");
                                $pdocrud->fieldDataBinding("student_id", "student", "student_id", "first_name", "db");
                                /**
                                 * Set/Call ajax actions for the form elements on some js event
                                 * @param   string   $elementName                 Name of table column (element name) you want to apply event
                                 * @param   string   $event                       Javascript event name
                                 * @param   string   $callbackFunc                Function to be called upon
                                 * @param   string   $returnValueElement          On which element, return value should be displayed
                                 * @param   string   $otherElements               Other elements to be passed along if any
                                 * return   object                                Object of class
                                 */
                                $pdocrud->setAjaxActions("expense_category_id","change","getAmount","amount", array("student_id") );
                                 echo $pdocrud->dbTable("payment")->render("insertform"); // call render function