public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Category).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CategoryExists(Category.CategoryID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Categories.Add(Category);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Category = await _context.Categories.FindAsync(id);
if (Category != null)
{
_context.Categories.Remove(Category);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(string[] selectedCategories)
{
if (!ModelState.IsValid)
{
return(Page());
}
var newDanceEvent = new DanceEvent();
if (selectedCategories != null)
{
newDanceEvent.DanceEventCategories = new List <DanceEventCategory>();
foreach (var category in selectedCategories)
{
var categoryToAdd = new DanceEventCategory
{
CategoryID = int.Parse(category)
};
newDanceEvent.DanceEventCategories.Add(categoryToAdd);
}
;
}
if (await TryUpdateModelAsync <DanceEvent>(
newDanceEvent,
"danceevent",
e => e.DanceEventName, e => e.EventDate, e => e.City, e => e.State, e => e.Website))
{
_context.DanceEvents.Add(newDanceEvent);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
PopulateAssignedCategoryData(_context, newDanceEvent);
return(Page());
}