public void Convert(DBField sourceField, DBField destinationField, FieldValue sourceValue, FieldValue destinationValue)
{
switch (destinationField.Storage)
{
case FldStorage.AnsiBlob:
destinationValue.Value = BlobType.createFromString(string.Empty, BlobType.CONTENT_TYPE_ANSI);
break;
case FldStorage.UnicodeBlob:
destinationValue.Value = BlobType.createFromString(string.Empty, BlobType.CONTENT_TYPE_UNICODE);
break;
case FldStorage.Blob:
destinationValue.Value = BlobType.createFromString(string.Empty, BlobType.CONTENT_TYPE_BINARY);
break;
}
destinationValue.Value = BlobType.copyBlob(destinationValue.Value.ToString(), sourceValue.Value.ToString());
}