private void bindData(String searchString)
{
//load services
if (this.serviceCodes == null)
{
TerminalService terminalService = new TerminalService();
this.serviceCodes = terminalService.getServices();
}
List <ServiceViewModel> filteredList = new List <ServiceViewModel>(this.serviceCodes);
//filter codes
if (!String.IsNullOrWhiteSpace(searchString))
{
filteredList = filteredList
.Where(c => c.Code.StartsWith(searchString))
.ToList();
}
gvServiceCodes.DataSource = filteredList;
}