public IActionResult Index()
{
var patientInfoService = new PatientInfo();
var patientList = new List <PatientInfo>();
if (!memoryCache.TryGetValue("PatientInfoCache", out patientList))
{
if (patientList == null || !patientList.Any())
{
patientList = patientInfoService.GetPatientInfos();
}
var cacheEntryOptions = new MemoryCacheEntryOptions();
cacheEntryOptions.SetSlidingExpiration(TimeSpan.FromSeconds(7));
// here we need to set the value for cache memory
memoryCache.Set("PatientInfoCache", patientList, cacheEntryOptions);
//to remove
memoryCache.Remove("PatientInfoCache");
}
var model = new PatientListViewModel
{
PatientInfos = patientList
};
return(View(model));
}