I'm quite new to WPF so it would be better that I will describe the intent: I have multiple User Controls inside the main window. Each User Control has its own buttons, that I would like to bind to command…
I made linked list with struct. The 1st string goes well, however the 2nd one isn't "am", but random character appears. And 3rd and later one, the pointer is broken and this flows exception, "Segmentation fault". Here is the code.…
I'm currently learning C#, I am a beginner, so I'm not really familiar with the particularities of this language. My problem is: I have this piece of code which is supposed to convert an INTEGER to a CHAR and add…
I have the following code, taken from https://learn.microsoft.com/En-Us/dotnet/standard/serialization/system-text-json/custom-contracts#example-serialize-private-fields. It works fine to serialize the fields of Brains.Brain, but when deserializing, the instance created has (a, b, c, d) = (2, 0, 4, 4) when it should be (2, 3, 4,…
I'm getting this error trying to access the local SQL DB for entity framework. Would be grateful for any tip that could help. Production server: ASPNET Core 7 web application on IIS 10, Windows server 2016. Physical machine. Developing on…
I have an .ASPX webform that collects information from a user and is supposed to email that information to one of our email addresses, similar to a "contact us" style form. I would like for the email to appear to…
Can C++ modules in Visual Studio 2022 handle forward declarations? The following code has a circular dependency that I want to break using a forward declaration, but the compiler doesn't seem to recognize that it refers to the same type…
I am using C# for CRUD operations and using Postgres as my database. I was using Dapper for my operations. But I am stuck when I want to execute multiple queries. I don't want to make multiple connections to the…
I am trying to deserialize json string to datable and I am getting format error. string str = "{"Arg1":"Arg1Value","Arg2":"Arg2Value","DataArray":[{"Id": "2222","VehicleNo": "234354","Amount":"1000"},{"Id":"2226","VehicleNo":"2343","Amount":"2000"}]"}"; DataTable data = Newtonsoft.Json.JsonConvert.DeserializeObject<DataTable>(str); Error: Unexpected JSON token when reading DataTable. Expected StartArray, got StartObject. Path '', line 1,…
I am using .NET 8 and try to deserialize a class with a [JsonConstructor] that has a Dictionary<string,int> as parameter. But this always fails with this error: Reference metadata is not supported when deserializing constructor parameters. I think this is…