我正在使用以下代码在多列中搜索特定字符串。
只要删除下面的搜索行,它就可以工作并返回结果。
IEnumerable<UserProductDetailResult> _query
= from eml in dc.UserProductDetails
join zk in dc.ZeekUsers on eml.aspnet_User.UserId equals zk.UserId
where eml.aspnet_User.LoweredUserName.Equals(strUserName.ToLower())
&& (eml.Username.Contains(strSearch)
|| eml.ProductURL.Contains(strSearch)
|| eml.Nickname.Contains(strSearch))
&& !eml.IsDeleted
&& eml.IsActive
select new UserProductDetailResult
{
_userProductDetail = eml,
_zeekUser = zk
};
dc是DataContext对象。
但是这将返回0个结果。
以上代码生成的查询语句为:
SELECT [t0].[UPID], [t0].[UserId], [t0].[PID], [t0].[Nickname], [t0].[Username], [t0].[ProductURL], [t0].[StartDt], [t0].[EndDt], [t0].[IsActive], [t0].[InfoData], [t0].[SocialNetworkingData], [t0].[AnalyticKey], [t0].[ProfileID], [t0].[UseDefaultAd], [t0].[UseDefaultEmail], [t0].[IsDeleted], [t0].[CreateDt], [t0].[LastUpdateDt], [t1].[ID], [t1].[UserId] AS [UserId2], [t1].[AccountType], [t1].[FirstName], [t1].[LastName], [t1].[Phone], [t1].[Address1], [t1].[Address2], [t1].[City], [t1].[State], [t1].[ZIP], [t1].[CountryID], [t1].[NickName1], [t1].[Nickname2], [t1].[AlternameEmail], [t1].[ProfileImage], [t1].[ZeekIdStatus], [t1].[RefZeekUserId], [t1].[IsActive] AS [IsActive2], [t1].[FailureCount], [t1].[IsBlocked], [t1].[IsFirstVisit], [t1].[IsWizardPassed], [t1].[IPAddress], [t1].[TimeZoneID], [t1].[CreateDt] AS [CreateDt2], [t1].[LastUpdateDt] AS [LastUpdateDt2]
FROM [dbo].[UserProductDetails] AS [t0]
INNER JOIN [dbo].[ZeekUsers] AS [t1] ON ((
SELECT [t2].[UserId]
FROM [dbo].[aspnet_Users] AS [t2]
WHERE [t2].[UserId] = [t0].[UserId]
)) = [t1].[UserId]
INNER JOIN [dbo].[aspnet_Users] AS [t3] ON [t3].[UserId] = [t0].[UserId]
WHERE ([t3].[LoweredUserName] = 'username') AND (([t0].[Username] LIKE 'a') OR ([t0].[ProductURL] LIKE 'a') OR ([t0].[Nickname] like 'a')) AND (NOT ([t0].[IsDeleted] = 1)) AND ([t0].[IsActive] = 1)
只要删除下面的搜索行,它就可以工作并返回结果。
&& (eml.Username.Contains(strSearch)
|| eml.ProductURL.Contains(strSearch)
|| eml.Nickname.Contains(strSearch))
但是这不能让我进行搜索
有人能告诉我该怎么做吗?