public void InsertOrUpdate(Category category)
{
if (category.Id == default(int)) {
// New entity
context.Categories.Add(category);
} else {
// Existing entity
context.Entry(category).State = EntityState.Modified;
}
}
public ActionResult Create(Category category)
{
if (ModelState.IsValid)
{
categoryRepository.InsertOrUpdate(category);
categoryRepository.Save();
return RedirectToAction("Index", new RouteValueDictionary {{"departmentId", category.DepartmentId}});
}
Department dept = departmentRepository.Find(category.DepartmentId);
category.DepartmentId = dept.Id;
category.Department = dept;
PopulateDropDownList();
return View(category);
}
private Category LoadCategory(int departmentId)
{
Department dept = departmentRepository.Find(departmentId);
var category = new Category {DepartmentId = dept.Id, Department = dept};
PopulateDropDownList();
return category;
}
public ActionResult Edit(Category category)
{
if (ModelState.IsValid)
{
categoryRepository.InsertOrUpdate(category);
categoryRepository.Save();
return RedirectToAction("Index", new {departmentId = category.DepartmentId});
}
PopulateDropDownList();
return View(category);
}