WebMay 21, 2024 · The singleton service basically is a data access layer that performs the CRUD operation into the SQL server database. In the data access layer, I have injected the IServiceScopeFactory to get an instance of my DbContext per request. ... The problem is, the changes are not reflected in the SQL server database after saving the changes … WebJun 29, 2024 · Add a comment. 1. Your models and migration are corrected. The main reason is when SaveChangesAsyn. TypeId = table.Column (nullable: false) From here we can see, FK ( TypeId) is not nullable. So you should confirm your FK ( TypeId of ObjectType) is not null and existed when you add new Object. Here is my code to add …
404 Error while saving data to mongoDb from node.js & express
WebThe problem is that you model object are using singular name (Pupil) convention, while in your database you are using pluralized names Pupils with s. UPDATE. This post shows how can you turn it on or off. Some … WebHi all, I am having strange issue with SSAS tabular direct query mode. First I was not able to create relation between tables when I was using dedicated workspace server, but I managed to solve this one switching to integrated workspace for this… stax weight
"An error occurred while saving the changes" trying to …
WebNov 9, 2024 · The general approach to handle a concurrency conflicts is: Catch DbUpdateConcurrencyException during SaveChanges. Use DbUpdateConcurrencyException.Entries to prepare a new set of changes for the affected entities. Refresh the original values of the concurrency token to reflect the current … WebSep 20, 2016 · Remove/Delete the table from the ef model (ensure that it is removed by looking at the model browser view). Rebuild the solution. Make sure your table has been saved. Check your connection strings as well that you are referencing the correct db. Add the table again via the update model tool. WebJul 24, 2024 · I'm trying to save data in the MongoDB atlas with node.js and mongoose. Every time I use MySchema.save(), Data is inserting But I'm also getting the error ... stax washing machines