public async Task <IActionResult> OnGetAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Holland = await _context.Holland.FirstOrDefaultAsync(m => m.ID == id);
if (Holland == null)
{
return(NotFound());
}
return(Page());
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Holland = await _context.Holland.FindAsync(id);
if (Holland != null)
{
_context.Holland.Remove(Holland);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnGetAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
//make holland instance by id accessible in view and include item's surveys
Holland = await _context.Holland
.Include(s => s.Surveys)
.AsNoTracking()
.FirstOrDefaultAsync(m => m.ID == id);
// Holland = await _context.Holland.FirstOrDefaultAsync(m => m.ID == id);
if (Holland == null)
{
return(NotFound());
}
if (Holland.Surveys.Any() == false)
{
return(NotFound());
}
//generating json string rovCoordinates from Survey model:
rovCoordinates = "[";
foreach (var item in Holland.Surveys)
{
rovCoordinates += "{";
rovCoordinates += string.Format("'lat': '{0}',", item.Latitude);
rovCoordinates += string.Format("'lng': '{0}',", item.Longitude);
rovCoordinates += "},";
}
rovCoordinates += "]";
return(Page());
}
