Audit_APP/Models/DyelotsProvider.cs

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

namespace Models
{
    public class DyelotsProvider : IProvider<Dyelots>
    {
        private readonly BatchDyeingCentralEntities db = new BatchDyeingCentralEntities();

        public int Delete(Dyelots t)
        {
            if (t == null) return 0;
            var model = db.Dyelots.ToList().FirstOrDefault(item => t.Dyelot == item.Dyelot);
            if (model == null) return 0;
            db.Dyelots.Remove(model);
            int count = db.SaveChanges();
            return count;
        }

        public int Insert(Dyelots t)
        {
            if (t == null) return 0;
            if (String.IsNullOrEmpty(t.Dyelot)) return 0;
            db.Dyelots.Add(t);
            int count = db.SaveChanges();
            return count;

        }

        public List<Dyelots> Select()
        {
           string sqlselect= "select TOP (300) * from Dyelots Where CreationTime > '" + DateTime.Now.ToString("yyyy-MM-dd") + "'";
            return db.Dyelots.SqlQuery(sqlselect).ToList();
        }

        public List<Dyelots> Selectsql(Dyelots t)//以单号查询
        {
            string sqlselect = "select * from Dyelots Where Dyelot = " + "'" + t.Dyelot.ToString() + "'";
            return db.Dyelots.SqlQuery(sqlselect).ToList();
        }

        public List<Dyelots> Selecttime(Dyelots t)//以时间查询
        {           
            string sqlselect = "select * from Dyelots Where CreationTime < " + "'" + t.EndTime.ToString()
                   + "' and CreationTime > '" + t.StartTime.ToString() + "'";
            return db.Dyelots.SqlQuery(sqlselect).ToList();
        }

        public List<Dyelots> SelectMachine(Dyelots t)//以时间及机台查询
        {
            string sqlselect = "select * from Dyelots Where CreationTime < " + "'" + t.EndTime.ToString() 
                + "' and CreationTime > '" + t.StartTime.ToString() + "' and Machine = '" + t.Machine.ToString() + "'";
            return db.Dyelots.SqlQuery(sqlselect).ToList();
        }
        public int Update(Dyelots t)
        {
            throw new NotImplementedException();
        }
    }
}