6078/src/StandardDomeNewApp/BLL/OperationDetail.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace StandardDomeNewApp.BLL
{
    [NotMapped]
    public class OperationDetail : Model.TOperationDetail
    {
        public bool Add()
        {
            using (Model.SQLModel SQLModel = new Model.SQLModel())
            {
                try
                {
                    Model.TOperationDetail operationDetail = new Model.TOperationDetail();
                    operationDetail.OperationCode = OperationCode;
                    operationDetail.CreateDatetime = DateTime.Now;
                    SQLModel.OperationDetail.Add(operationDetail);
                    SQLModel.SaveChanges();
                    return true;
                }
                catch (Exception ex)
                {
                    Util.CommonHelper.Fatal("OperationDetail","Error 1"+ex.ToString());
                    return false;
                }
                
            }
        }
       
        public bool Delete()
        {
            using (Model.SQLModel SQLModel = new Model.SQLModel())
            {
                var operationDetailList = SQLModel.OperationDetail.Where(
                    item => item.OperationCode == OperationCode).ToList();
                foreach (var item in operationDetailList)
                {
                    SQLModel.OperationDetail.Remove(item);
                }
                SQLModel.SaveChanges();
                return true;
            }
        }
        public List<OperationCodes> GetDistinctOperationTable()
        {
            using (Model.SQLModel SQLModel = new Model.SQLModel())
            {
                var distinctOperationCodeList = (
                    from item in SQLModel.OperationDetail
                    select new OperationCodes
                    {
                        Operation = item.OperationCode
                    }
                    ).ToList().OrderBy(item => item.Operation).ToList();
                return distinctOperationCodeList;
            }
        }
        public class OperationCodes
        { 
           public string Operation { get; set; }
        }
        public bool Update()
        {
            using (Model.SQLModel SQLModel = new Model.SQLModel())
            {
                var operationDetail = SQLModel.OperationDetail
                    .Where(item => item.OperationCode == OperationCode)
                    .FirstOrDefault();
                operationDetail.OperationCode = OperationCode;
                SQLModel.SaveChanges();
                return true;
            }
        }
        public List<Model.TOperationDetail> Query()
        {
            using (Model.SQLModel SQLModel = new Model.SQLModel())
            {
                List<Model.TOperationDetail> operationDetailList = new List<Model.TOperationDetail>();
                operationDetailList = SQLModel.OperationDetail.Where(
                    item => item.OperationCode.Contains(OperationCode))
                    .OrderByDescending(item=>item.Id).Take(300).ToList();
                return operationDetailList;
            }
        }
    }
}