All Questions
3
questions
0
votes
0
answers
66
views
How to tackle this error Microsoft.EntityFrameworkCore.DbUpdateConcurrencyException?
Message:
Database operation expected to affect 1 row(s) but actually affected 0 row(s).
I am trying to update user info in the database but I get this error.
public IActionResult OnPost()
{
if (!...
- 1
0
votes
2
answers
1k
views
How can I be notified in ASP.NET when a certain update happens in my database?
I need to be notified of specific changes that happen in my database, e.g. when a specific value becomes null or when an integer changes to a value between a certain range. I was looking into using ...
- 25
1
vote
1
answer
371
views
LINQ-to-SQL does not retrieve the latest (updated) version stored in the database
When using a linqdatasource to update my sqlexpress database everything is displayed ok, but when I try retrieving the contents manually using:
public static IQueryable<MarkingScheme> ...
- 450