Question

我创建了存储过程：

CREATE PROCEDURE  dbo.GetCampaigns  
    @UserID varchar(15) 
AS

BEGIN
    -- SET NOCOUNT ON added to prevent extra result sets from
    -- interfering with SELECT statements.
    SET NOCOUNT ON;

    SELECT CampaignId, CampaignName,  Expiry, LaunchDate FROM feeds.dbo.Campaigns  WHERE userid=@UserID;

END

返回中的campaignId是一个唯一键。

我将其拖放到serverExplorer中。我构建它并创建模型。我右键单击控制器来创建控制器，数据上下文等。它会弹出一个包含消息的框：

Unable to retrieve metadaat for xxx.Models.CampaignResult. One or more validation errors were detected during model generation:
-System Data.Edm.EdmEntitytype: Entity Type getCampaingsResult has no key defined. Define a key for this entity type
-System.Data.Edm.EdmEntitySet: EntityType: EntitySet GetCampaignResults is based on type GetCampaignResult that has no keys defined.

我很困惑。提前致谢。任何帮助表示赞赏。

Answer 1

使用EF执行存储过程有点奇怪 - 请检查此链接： http://beyondrelational.com/blogs/jalpesh/archive/2010/08/18/entity-framework-4-0-bind-stored-procedure-with-result-entity-class.aspx

MVC3 - 向模型添加存储过程

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