public async Task <IActionResult> All()
{
var data = (await _classService.All());
var data2 = data
.Select(@class => new ClassViewModel
{
Id = @class.Id,
ClassCode = @class.ClassCode,
ClassName = @class.ClassName,
CareerNames = @class.CareerNames,
Careers = @class.Careers
});
return(Ok(data2));
}