There is no ViewData item of type 'IEnumerable' that has the key “key”

Question

My code is like this

 namespace DiagnosisApp.Models
{
    public class ProcedurePrice
    {
        public int ID { get; set; }


        public int Departme         


        

Answer 1

I suppose you're missing something like

ViewBag.ProcedureID = new SelectList(db.ProcedureCategory, "ID", "Name");

I think you have to inizialize ViewBag.ProcedureId