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我創建存儲過程:MVC3 - 添加存儲過程示範
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 [email protected];
END
在返回的CAMPAIGNID是一個獨特的密鑰。
我把這個拖放到serverExplorer。我建立它並創建模型。我右鍵點擊控制器來創建控制器,數據上下文等。它彈出一個包含消息的框:
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。提前致謝。任何幫助讚賞。