public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
var student = await _context.Students.FindAsync(id);
if (student == null)
{
return(NotFound());
}
try
{
_context.Students.Remove(student);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
catch (DbUpdateException /* ex */)
{
//Log the error (uncomment ex variable name and write a log.)
return(RedirectToAction("./Delete",
new { id, saveChangesError = true }));
}
}
public async Task <IActionResult> OnPostAsync(int id)
{
try
{
if (await _context.Departments.AnyAsync(
m => m.DepartmentID == id))
{
// Department.rowVersion value is from when the entity
// was fetched. If it doesn't match the DB, a
// DbUpdateConcurrencyException exception is thrown.
_context.Departments.Remove(Department);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
catch (DbUpdateConcurrencyException)
{
return(RedirectToPage("./Delete",
new { concurrencyError = true, id = id }));
}
}