public void UpdateQuantiesBtnClicked(object sender, EventArgs e)
{
if (RadAsyncUploadSchedule.UploadedFiles.Count == 0)
{
return;
}
UploadedFile attachment = RadAsyncUploadSchedule.UploadedFiles[0];
_menuProcessor.UploadFlightSchedule(attachment.InputStream, chkClearFlightSchedule.Checked);
}