public ActionResult AddEditBand(long?bandId) { var viewModel = new AddEditBandViewModel(); if (bandId.HasValue) { var drBand = CRCDataAccess.GetBand(bandId.Value); drBand.MapTo(viewModel); viewModel.EnabledInd = !(drBand["DisabledDate"] is DateTime); } return(PartialView(viewModel)); }