//To create the backup of all the parameters of a model I am creating a Backupmodel and trying to save the string s in the list of strings "UsingDa ...
//To create the backup of all the parameters of a model I am creating a Backupmodel and trying to save the string s in the list of strings "UsingDa ...
I've been searching for a solution for about a month, however, nobody is using the functions the same way my software (written by a previous programme ...
System.InvalidOperationException: Unable to resolve service for type 'Microsoft.EntityFrameworkCore.DbSet`1[Entities.Product]' while attempting to ...
I am using this function to show me invalid password when the user password does not matches but it always open encrypt decrypt function for me! char ...
I am unable to connect my database from Sql-server in Visual studio for my school project. I've tried multiple solutions that didn't work... Hopefully ...
I'm implementing a timer into my program that starts when a button is pressed. Once the time has elapsed, my intention is to close the program; howeve ...
Strange error I've never seen before: This only appears to affect this single page, and no others on the website. Apart from making some small code ...
I'm trying to get the amount of CheckIns in the last hour from a scoped Background Service with injected DbContext. Following queries work as expecte ...
I've made a class from the Attribute type When I try to serialize it with System.Text.Json I get an InvalidOperationException: Method may on ...
I have Component Views and everything works fine in development but when I published I get the exception "InvalidOperationException: The view 'Com ...
Edit I have a problem at deserialising an XML file, containing inner classes (or nested classes). I have following class diagram: I have the follo ...
I'm trying to load a BitmapImage in a background thread and then set the (WPF) image source to this BitmapImage. I'm currently trying something like ...
I get this when I run my Specflow test: This is the step(lines 43-53): This is my ExecuteShellCommand: I don't understand what the error is a ...
System.InvalidOperationException: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred be ...
This is my code, the issue comes from the fourth block of my code, first and second line, I tried alternatives, mentioned them above the code in engli ...
I want to establish double relation using List between NxProperty custom class and NxLog custom class. In the DbContext daughter class I have: B ...
There are a few other questions that touch this subject, but none seem to address it (or then, they are too complex for me to understand them...) I h ...
I want to get Id of an entity which is an int type value; user will check/uncheck the checkbox, so I've converted that into boolean type. But I'm gett ...
I have a runbook that has been running fine for a long time. It throws an error suddenly. I am able to refresh the model in SSMS and also works fine w ...
My task is: Write a program that repeatedly prompts a user for integer numbers until the user enters 'done'. Once 'done' is entered, print out the la ...