// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see https://aka.ms/RazorPagesCRUD.
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Book).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!BookExists(Book.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
var RentId = BookReturn.BookRentId;
var BookId = _context.BookRent.Where(s => s.Id == RentId).FirstOrDefault().BookId;
var RentQty = _context.BookRent.Where(r => r.Id == RentId).FirstOrDefault().Qty;
var OriginalQty = _context.BookRent.Where(t => t.Id == RentId).FirstOrDefault().Qty;
var UpdateQty = RentQty + OriginalQty;
var entity = _context.Books.FirstOrDefault(item => item.Id == RentId);
if (entity != null)
{
entity.Qty = UpdateQty;
_context.Books.Update(entity);
_context.SaveChanges();
}
_context.BookReturn.Add(BookReturn);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see https://aka.ms/RazorPagesCRUD.
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Books.Add(Book);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Student = await _context.Students.FindAsync(id);
if (Student != null)
{
_context.Students.Remove(Student);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
BookCategory = await _context.BookCategory.FindAsync(id);
if (BookCategory != null)
{
_context.BookCategory.Remove(BookCategory);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
