C# Sum Object List on specific property
I’m currently developing an ASP.NET app where I need to display several charts based on data I receive from a database. I receive them as a list of objects, which looks like this for example:
I’m currently developing an ASP.NET app where I need to display several charts based on data I receive from a database. I receive them as a list of objects, which looks like this for example:
I’m building a web application that’s using a third parties API and I receive the json below
To mention, upon creating a new product, the UseId of the current logged in user will be dynamically added to the database.
EF core throws an exception in the project I am working on
i have read a lot of questions about this but i am stil confused..
I made a powerapps project where i uploaded a file into sharepoint, that upload would create a folder with a text field that would be fullfilled in that form.. And inside the fields would be uploaded, if the the name was already a folder, he would just upload into the library!

I have this POST endpoint in my ASP.NET Core Web API (with Entity Framework):
I have been searching for a solution to this problem for a couple of days but it has me stumped.
I’m using a traditional WebAPI controller:
I have asp.net web app based on web forms.
A ‘Drop Down List’ has AutoPostBack property. My backend code is working well. But after changing the ‘Drop-Down List’ value, my page reloaded and start to show the top of the page.
So i create popup Edit form, and i want to display connected rows in this popup also. For this i use Repeater with datasource and update datasource select comand each time when user opens Edit form: