Пример #1
0
 /// <summary>
 /// 删除数据
 /// </summary>
 /// <param name="paraTb_Role"></param>
 /// <returns>true:删除成功,false:不存在该记录</returns>
 public bool deleteMode(tb_Role paraTb_Role)
 {
     if(paraTb_Role == null)
         throw new ArgumentNullException("paraTb_Role");
     try
     {
         var query = from p in _context.tb_Role
             where p.RoleID == paraTb_Role.RoleID
             select p;
         if (query.ToList().Count<1)
         {
             return false;
         }
         else
         {
             foreach(var model in query.ToList())
             {
                 if(!_context.IsAttached(model))
                     _context.tb_Role.Attach(model);
                 _context.tb_Role.DeleteObject(model);
                 _context.SaveChanges();
             }
             return true;
         }
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }
Пример #2
0
 /// <summary>
 /// 插入数据
 /// </summary>
 /// <param name="paraTb_Role"></param>
 /// <returns>true:插入成功,false:已存在该记录</returns>
 public bool addMode(tb_Role paraTb_Role)
 {
     if(paraTb_Role == null)
         throw new ArgumentNullException("paraTb_Role");
     try
     {
         var query = from p in _context.tb_Role
             where p.RoleID == paraTb_Role.RoleID
             select p;
         if (query.ToList().Count() > 0)
         {
             return false;
         }
         else
         {
             _context.tb_Role.AddObject(paraTb_Role);
             _context.SaveChanges();
             return true;
         }
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }
 /// <summary>
 /// 用于向 tb_Role EntitySet 添加新对象的方法,已弃用。请考虑改用关联的 ObjectSet&lt;T&gt; 属性的 .Add 方法。
 /// </summary>
 public void AddTotb_Role(tb_Role tb_Role)
 {
     base.AddObject("tb_Role", tb_Role);
 }
Пример #4
0
 /// <summary>
 /// 更新数据
 /// </summary>
 /// <param name="paraTb_Role"></param>
 /// <returns>true:更新成功,false:更新数据失败,不存在该记录!</returns>
 public bool updateMode(tb_Role paraTb_Role)
 {
     if(paraTb_Role == null)
         throw new ArgumentNullException("paraTb_Role");
     try
     {
         var oldEntity = (from p in _context.tb_Role
             where p.RoleID == paraTb_Role.RoleID
             select p).FirstOrDefault();
         if (oldEntity == null)
         {
             return false;
         }
         else
         {
             _context.ApplyCurrentValues(oldEntity.GetType().Name, paraTb_Role);
             _context.SaveChanges();
             return true;
         }
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }
 /// <summary>
 /// 创建新的 tb_Role 对象。
 /// </summary>
 /// <param name="roleID">RoleID 属性的初始值。</param>
 public static tb_Role Createtb_Role(global::System.String roleID)
 {
     tb_Role tb_Role = new tb_Role();
     tb_Role.RoleID = roleID;
     return tb_Role;
 }