2104 You entered the control name '_,' which is already in use.@You already have a control on the form with this name, or an existing control has its name mapped to this name for Visual Basic.
2104 ທ່ານໄດ້ໃສ່ຊື່ຄວບຄຸມ '_,' ທີ່ ກໍາ ລັງໃຊ້ຢູ່ແລ້ວ. @ ທ່ານມີການຄວບຄຸມແບບຟອມທີ່ມີຊື່ນີ້ແລ້ວ, ຫຼືຕົວຄວບຄຸມທີ່ມີຢູ່ແລ້ວມີຊື່ຂອງມັນໃສ່ກັບຊື່ນີ້ ສໍາ ລັບ Visual Basic.