When the report runs on the report server, the parameter does not appear in the toolbar and the report reader cannot change the default value. You can use a hidden parameter set to a default value as custom constant. You can use this value in any expression, including a field expression.
Para-aminobenzoic acid (PABA) is a chemical found in the folic acid vitamin and also in several foods including grains, eggs, milk, and meat. PABA is taken by mouth for skin conditions including vitiligo, pemphigus, dermatomyositis, morphea, lymphoblastoma cutis, Peyronieâs disease, and scleroderma. PABA is FDA approved for this skin condition. 2  However, there is only limited evidence that it is effective. 3  Viral infection in the eye (herpes keratitis). 4  Early research suggests that using a specific PABA eye solution (Actipol) as eye drops can be effective for treating viral herpes infection in the eye.
GABA is a chemical that is made in the brain. GABA is taken by mouth for relieving anxiety, improving mood, reducing symptoms of premenstrual syndrome (PMS), and treating attention deficit-hyperactivity disorder (ADHD). It is also used for promoting lean muscle growth, burning fat, stabilizing blood pressure, and relieving pain.