c# Questions

How to convert the following json object into to a new JSON object in c#

September 5, 2024
Raj
2 Answers

Json Data in present format: currently I am getting data from a database in the following format which I am storing in a DataTable. Database format var data1 = [{"TheatreName":"AMEA","Country":"CANADA","Riskcount":50},{"TheatreName":"AMEA","Country":"UK","Riskcount":30},{"TheatreName":"AMER","Country":"Japan","Riskcount":80},{"TheatreName":"AMER","Country":"US","Riskcount":90},{"TheatreName":"APAC","Country":"Bangladesh","Riskcount":4},{"TheatreName":"APAC","Country":"Hong Kong","Riskcount":12},{"TheatreName":"APAC","Country":"India","Riskcount":126}] I want to convert it into a JSON object…

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Visual Studio Code – The application made in Microsoft Visual Studio 2022 in C# and Tekla open API does not connect to Tekla Structures 2024

September 5, 2024
Mikey
2 Answers

I wrote two programs in Microsoft Visual Studio 2022 in C# (one that draws a geometric shape in Tekla Structures and another that just checks the connection between the application and Tekla Structures). With both (without having any code error)…

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What is this string inside Blazor components HTML tag

September 5, 2024
Bill Kindig
2 Answers

I'm new to Blazor and trying to figure out how Blazor renders components into HTML tags. If I use a simple component like this: <InputText @bind-Value="testvalue" id="sample-textbox></InputText> @code { public string testvalue = "abc123"; } Then I run my app,…

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Deserialize a JSON string containing multiple arrays of custom objects

September 4, 2024
Roka545
3 Answers

I'm making a POST call containing multiple object arrays that have been serialized using JSON.stringify(). When I intercept the payload in my API call, I'm unsure of how exactly you're supposed to deserialize the data to pull out the arrays.…

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Azure Notification Hub : Browser (Web Push)

September 4, 2024
AndrewTheWild
2 Answers

I use SDK from MS and send message via API got message like this: Postman and Azure Portal "The Notification could not be delivered due to an unknown error". SDK return my subscription and when I use external SDK like…

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Visual Studio Code – wxWidgets setup with mingw64 and vscode

September 4, 2024
Rahul Raman
2 Answers

I have tried everything from wxWiki to chatGPT and nothing solves my issue, please note that I do not need an alternative solution, and want to understand what I am missing in this implementation. Steps I followed, Step 1: Install…

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Asp.net – Entity Framework Core: use connection string from appsettings.json

September 3, 2024
Danilo Namitala
3 Answers

I'm trying to use appsettings.json to store the database connection string to use different strings for build configurations. But, I'm getting this exception: System.InvalidOperationException: A named connection string was used, but the name 'ConnectionStrings:DefaultConnection' was not found in the application's…

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Postgresql – How can I return the result of the insert query into C# variable (PotgreSQL)?

September 3, 2024
Dog-programmer
2 Answers

I have to rewrite a SQL query to make it work with PostgreSQL. Initially the end of the query was like returning rowid into ? And with this command took my C# variable as a parameter. But PostgreSQL doesn't have…

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Visual Studio Code – this declaration has no storage class or type specifier – compiler not detecting consteval

September 3, 2024
SkullHeadI
2 Answers

I have a question about why I'm getting the two problems, this declaration has no storage class or type specifier, and expected a ';' ln 3 col 11, of the code: Main.cpp: #include <iostream> consteval int get_value(){ return 3; }…

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Ubuntu – Understanding the handling of strings in C++ on Windows

September 3, 2024
Morpheus
2 Answers

When I run this simple program on Linux (Ubuntu): int main() { const char* s = "olé"; std::cout << s << std::endl; } I get: olé Now contrast the same program on Windows: int main() { LPCSTR s = "olé";…

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