how to insert part of model properties in mvc 5

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MVC5

C#6.0

Hello everyone,

i have a table that has 12 fields, all allow null except the Id field(Primary Key), i am using database first workflow of mvc 5, in my model annotation all 12 fields are required, i am displaying only four fields in one views and the rest in another view, but while trying to insert values into the table from the view that has four fields, it reports error that there are other fields that are required, how do i insert only these four fields, with removing required annotation from the rest? Here is my code:

public ActionResult Estate(Customer cus)
        {
            try
            {
                var customer = new Customer
                {
                    ClientId = cus.ClientId,
                    ClientGroup = cus.ClientGroup,
                    OrgName = cus.OrgName,
                    Branch = cus.Branch
                    
                };
                
                db.Customers.Add(customer);
                db.SaveChanges();

                
            }
            catch (Exception ex)
            {
                
               ModelState.AddModelError("",ex.Message);
            }
            
            return View();
        }