private void cmbPartition_SelectedIndexChanged(object sender, EventArgs e)
{
CurrentPartitionValue = Convert.ToInt32(GetComboboxItem(cmbPartition));
CurrentPartitionRecord = GetPartitionTableRecord(CurrentPartitionValue);
overrideValues = false;
CreateNewEpcId();
}
/// <summary>
/// Extract EPC tag id's header, filter, partition and serial number.
/// </summary>
private void ExtractEpcData()
{
SetStatusIcon(CommandStatus.None);
if (string.IsNullOrEmpty(currentEpcId))
{
MessageBox.Show("EPC Tag id should not be null or empty.", "Error", MessageBoxButtons.OK);
return;
}
var binaryValue = string.Empty;
foreach (var c in currentEpcId.ToCharArray())
{
binaryValue += Convert.ToString(Convert.ToInt64(c.ToString(), 16), 2).PadLeft(4, '0');
}
if (binaryValue.Length != SGTIN_LENGTH)
{
MessageBox.Show("EPC Tag id length is not valid.", "Error", MessageBoxButtons.OK);
return;
}
if (overrideValues)
{
CurrentFilterValue = Convert.ToInt32(binaryValue.Substring(EPC_HEADER_LENGTH, EPC_FILTER_LENGTH), 2);
CurrentPartitionValue = Convert.ToInt32(binaryValue.Substring((EPC_HEADER_LENGTH + EPC_FILTER_LENGTH), EPC_PARTITION_LENGTH), 2);
if (CurrentPartitionValue > 6 || CurrentPartitionValue < 0)
{
SetTextboxText(txtEpcId, string.Empty);
MessageBox.Show("Invalid EPC Tag. Partition value should be between 0-6." + CurrentPartitionValue + ".", "Error", MessageBoxButtons.OK);
return;
}
CurrentPartitionRecord = GetPartitionTableRecord(CurrentPartitionValue);
SetComboboxItem(cmbFilterValue, CurrentFilterValue.ToString());
SetComboboxItem(cmbPartition, CurrentPartitionValue.ToString());
overrideValues = true;
}
CurrentEPCsUPCPortionInBinary = binaryValue.Substring((EPC_HEADER_LENGTH + EPC_FILTER_LENGTH + EPC_PARTITION_LENGTH), EPC_PREFIX_REFERENCE_LENGTH);
if (overrideSerial)
{
CurrentSerialNumber = Convert.ToInt64(binaryValue.Substring((binaryValue.Length - EPC_SERIAL_NUMBER_LENGTH), EPC_SERIAL_NUMBER_LENGTH), 2);
SetTextboxText(txtSerialNumber, CurrentSerialNumber.ToString());
overrideSerial = true;
}
else
{
SetTextboxText(txtSerialNumber, CurrentSerialNumber.ToString());
}
}