public IActionResult OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Species = _speciesList.GetById(id);
string message = null;
if (Species != null)
{
try
{
_speciesList.Delete(id);
}
catch (InvalidOperationException)
{
message = "Unable to delete species used in patient decription";
}
}
return(RedirectToPage("Index", "OnGetAsync", new { message }));
}
public IActionResult OnGetAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Species = _speciesList.GetById(id);
if (Species == null)
{
return(NotFound());
}
return(Page());
}
