oop_II-6/Service_Server/Service_Server/DB/PStatus_DB.cs

using Service_Server.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Service_Server.DB
{
    class PStatus_DB
    {
        public List<PStatus> GetAllPstatuses()
        {
            using (DATABASE ctx = new DATABASE())
            {
                return ctx.PStatuses.ToList();
            }
        }
        public bool CreatePstatus(PStatus pstatus)
        {
            try
            {
                using (DATABASE ctx = new DATABASE())
                {
                    ctx.PStatuses.Add(pstatus);
                    ctx.SaveChanges();
                }
                return true;
            }
            catch (Exception)
            {
                return false;
            }
        }

        public bool UpdatePstatus(PStatus pstatus)
        {
            try
            {
                using (DATABASE ctx = new DATABASE())
                {
                    ctx.PStatuses.Attach(pstatus);
                    ctx.Entry(pstatus).State = System.Data.Entity.EntityState.Modified;
                    ctx.SaveChanges();
                }
                return true;
            }
            catch (Exception)
            {
                return false;
            }

        }
        public bool DeletePstatus(PStatus pstatus)
        {
            try
            {
                using (DATABASE ctx = new DATABASE())
                {
                    ctx.PStatuses.Attach(pstatus);
                    ctx.PStatuses.Remove(pstatus);
                    ctx.SaveChanges();
                }
                return true;
            }
            catch (Exception)
            {
                return false;
            }
        }
    }
}