Visible only when the selected FieldTemplate is set to TextEntry or another template supporting BarCode entry detection.
When true, the FVEntry control is generated with the BarCodeSupport property=true.
BarCodeSupport activates javascript in the browser client that times how long it takes for the first 5 characters to be entered into the entry text field. When data is entered very quickly, it is assumed to have come from a reader, such as a Barcode or RFID reader, which sets a flag in the active form.
Back at the server, the FVEntry control will have a property BarCodeChecked=true if the entry originated from a reader.
When to Use BarCodeSupport
BarCodeSupport is only needed when the data on your barcodes is different than the data it represents in your host application. When the bar code contents is identical, it doesn't matter if the entry originated from the bar code reader or the user's keyboard.
However, many barcode or RFID values use an additional database to provide cross-referencing between the barcode data and associated data, such as an internal asset number. In this case, you can set the "InternalAssetNumber" field to have BarCodeSupport, and detect if the barcode reader was used, enabling an SQL call to the side database to translate from the barcode to the InternalAssetNumber prior to entering the value in the host application field.
