How to enable OPEN QTY & GR QTY if OPEN QTY > 0.
. EBELN EBELP . MATNR . MENGE . MEINS . NETPR . Line Item Total Value - Menge * Netpr . Open Quantity - WEMNG . GR Quantity - Actual Qty = Open Qty
Fields Open Qty and GR Qty Should be editable ( Only if open qty > 0) and on change of GR Qty, Open Qty should change Automatically