【发布时间】:2011-08-09 07:17:55
【问题描述】:
我有以下代码:
public IList<T_CLIENT> Get_All_Obj()
{
try
{
IList<T_CLIENT> LesListe;
using (FaExpedEntities oEntite_T = new FaExpedEntities())
{
var query = from o in oEntite_T.T_CLIENT select o;
LesListe = query.ToList();
}
return LesListe;
}
catch (Exception excThrown)
{
throw new Exception("Err_02", excThrown);
}
}
但我不知道为什么会出现这些错误:
Error 1 The type 'System.Data.Objects.DataClasses.EntityObject'is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Data.Entity, Version = 4.0.0.0, Culture = neutral, PublicKeyToken = b77a5c561934e089'. C: \ Soft8 \ FA_Exped \ Code \ FrontEnd \ FaExped_FrontEnd_WebApp_Domaine \ FaExped_FrontEnd_WebApp_Business \ Le_T \ LeTclientusrstatus_Entite_BL.cs 15 42 FaExped_FrontEnd_WebApp_Business
Error 2 c: \ Soft8 \ FA_Exped \ Code \ FrontEnd \ FaExped_FrontEnd_WebSite \ Login.aspx.cs (8): error CS0246: The type or namespace name 'FaExped_FrontEnd_WebApp_Business' not found (a using directive or a reference to 'assembly is it missing?)
Error 3 'FaExped_FrontEnd_WebApp_Domaine.FaExpedEntities': type used in a using statement must be implicitly convertible to 'System.IDisposable'C: \ Soft8 \ FA_Exped \ Code \ FrontEnd \ FaExped_FrontEnd_WebApp_Domaine \ FaExped_FrontEnd_WebApp_Business \ Le_T \ LeTclient_Entite_BL.cs 22 17 FaExped_FrontEnd_WebApp_Business
如何解决这些错误?
【问题讨论】:
-
这是在您的开发者机器上还是在另一台机器上?您确定 System.Data.Entity 在您的 bin 文件夹中了吗?
-
听起来您缺少参考资料。
-
解决方案的结构是什么? EF 数据模型 (EDMX) 是否在另一个项目中,而不是托管上述代码的项目?
标签: c# entity-framework entity edmx business-logic-layer