SqlSugar | Best ORM Fastest ORM Simple Easy Sqlite orm Oracle ORM | Database library
kandi X-RAY | SqlSugar Summary
kandi X-RAY | SqlSugar Summary
Using SqlSugar is very simple ,And it's powerful. SqlSugar=One object+One parameter=16 functions,. Support:MySql、SqlServer、Sqlite、Oracle 、 postgresql 、达梦、人大金仓.
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QUESTION
Using SqlSugar ORM, based on blazor, dependency injection business service, an error is reported when calling。 SqlSugarService:
...ANSWER
Answered 2021-May-11 at 15:06In a Razor Page (Component) you have to use Property Injection, not Constructor Injection. And that means that the injected services are not available in the constructor. That's why we have OnInitialized().
I fixed what I could see, remove the commented-out parts:
QUESTION
How to solve locking table caused by multi-thread reading in read-only mode of Sqlite database?
I want to read data only.. the sqlite db dose not lock.
how can i do ? because my Datebase Data will not be written.
...ANSWER
Answered 2020-Sep-24 at 06:50//(So the query you proposed will be the most efficient:) SELECT EXISTS(SELECT 1 FROM myTbl WHERE u_tag="tag");
// (If you were nervous about portability, you could add a limit. I suspect most DBs will offer you the same short circuit however.) SELECT EXISTS(SELECT 1 FROM myTbl WHERE u_tag="tag" LIMIT 1);
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