using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace IStation.BLL
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{
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/// <summary>
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/// 项目
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/// </summary>
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public partial class Project
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{
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private readonly IDAL.IProject<Entity.Project> _dal
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= DAL.Factory.DataAccess.CreateDAL<IDAL.IProject<Entity.Project>>(Settings.DataAccess.ProjectDLLName, Settings.DataAccess.DALNameSpace);
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#region Cache
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//根据 查询缓存
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private List<Model.Project> GetCache()
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{
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return ProjectCacheHelper.GetSet(() =>
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{
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var entities = _dal.QueryAll();
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var models = Entity2Models(entities);
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if (models == null)
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{
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models = new List<Model.Project>();
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}
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return models;
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}, ConfigHelper.CacheKeepTime, ConfigHelper.CacheRandomTime);
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}
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//根据 Id 更新缓存
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private void UpdateProjectCache( long Id)
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{
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var entity_ds = _dal.QueryById(Id);
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var model_ds = Entity2Model(entity_ds);
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var all = GetCache();
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var model = all.Find(x => x.Id == Id);
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if (model == null)
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{
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all.Add(model_ds);
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}
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else
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{
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model.Reset(model_ds);
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}
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}
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//根据 Ids 更新缓存
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private void UpdateProjectCache( IEnumerable<long> Ids)
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{
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if (Ids == null || Ids.Count() < 1)
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return;
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var entities = _dal.QueryByIds(Ids);
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var models = Entity2Models(entities);
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var all = GetCache();
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all.RemoveAll(x => Ids.Contains(x.Id));
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if (models != null && models.Count > 0)
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{
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all.AddRange(models);
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}
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}
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//根据 Id 移除缓存
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private void RemoveProjectCache( long Id)
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{
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var all = GetCache();
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all.RemoveAll(x => x.Id == Id);
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}
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#endregion
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#region Query
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/// <summary>
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/// 查询全部
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/// </summary>
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public List<Model.Project> QueryAll()
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{
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var all = GetCache();
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return all.ToList();
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}
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/// <summary>
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/// 根据 Id查询
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/// </summary>
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public Model.Project QueryById( long Id)
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{
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var all = QueryAll();
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return all.Find(x => x.Id == Id);
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}
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/// <summary>
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/// 根据 Ids 查询
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/// </summary>
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public List<Model.Project> QueryByIds( IEnumerable<long> Ids)
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{
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if (Ids == null || Ids.Count() < 1)
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return default;
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var all = QueryAll();
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return all.Where(x => Ids.Contains(x.Id)).ToList();
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}
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#endregion
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#region Insert
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/// <summary>
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/// 插入
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/// </summary>
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public long Insert( Model.Project model)
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{
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if (model == null)
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return default;
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var entities = Model2Entity(model);
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var Id = _dal.Insert(entities);
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if (Id > 0)
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{
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UpdateProjectCache(Id);
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}
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return Id;
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}
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/// <summary>
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/// 批量插入
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/// </summary>
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public bool Inserts( IEnumerable<Model.Project> list)
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{
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if (list == null || list.Count() < 1)
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return default;
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var entities = Model2Entities(list.ToList());
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var Ids = _dal.InsertsR(entities);
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if (Ids != null && Ids.Count > 0)
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{
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UpdateProjectCache(Ids);
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return true;
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}
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return false;
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}
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#endregion
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#region Update
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/// <summary>
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/// 更新
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/// </summary>
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public bool Update( Model.Project model)
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{
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if (model == null)
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return default;
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if (model.Id < 1)
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return default;
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var entities = Model2Entity(model);
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var bol = _dal.Update(entities);
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if (bol)
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{
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UpdateProjectCache(model.Id);
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}
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return bol;
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}
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/// <summary>
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/// 批量更新
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/// </summary>
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public bool Updates( List<Model.Project> list)
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{
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if (list == null || list.Count() < 1)
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return default;
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if (list.ToList().Exists(x => x.Id < 1))
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return default;
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var entities = Model2Entities(list.ToList());
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var bol = _dal.Updates(entities);
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if (bol)
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{
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UpdateProjectCache(list.Select(x => x.Id).ToList());
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}
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return bol;
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}
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#endregion
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#region Exist
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/// <summary>
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/// 根据 Id 判断是否存在
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/// </summary>
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public bool IsExistById( long Id)
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{
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var all = QueryAll();
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return all.Exists(x => x.Id == Id);
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}
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#endregion
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#region Delete
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/// <summary>
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/// 根据 Id 删除
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/// </summary>
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public bool DeleteById( long Id, out string msg)
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{
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msg = string.Empty;
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var bol = _dal.DeleteById(Id);
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if (bol)
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{
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RemoveProjectCache(Id);
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}
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return bol;
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}
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#endregion
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#region Import
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/// <summary>
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/// 导入
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/// </summary>
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public long Import(string fileName, out string msg)
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{
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if (!File.Exists(fileName))
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{
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msg = "文件不存在";
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return default;
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}
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return _dal.Import(fileName, out msg);
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}
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#endregion
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#region Export
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/// <summary>
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/// 导出
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/// </summary>
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public bool Export(long id, string fileName, out string msg)
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{
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if (id < 1)
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{
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msg = "id<1";
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return default;
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}
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return _dal.Export(id, fileName, out msg);
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}
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#endregion
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}
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}
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