Posted By: Anonymous Given this example, an extension method which uses the name of the type to return a value from a dictionary by it’s type using generic T. public static T GetItem<T>(this Dictionary<string, object> dictionary) { var y = nameof(T); var z = dictionary.FirstOrDefault(x => x.Key == y); return (T)z.Value; } And used as …
Posted By: Anonymous In testing Azure Functions locally, I am receiving this error. "There was an error performing a read operation on the Blob Storage Secret Repository. Please ensure the ‘AzureWebJobsStorage’ connection string is valid." I have Azure Blob Storage setup, including Storage Emulator and Storage Explorer. How can this be fixed? Solution There is …
Posted By: Anonymous I am new in UWP app development and looking for a way to bind string based SVG to a UWP (Universal Windows Platform) page. And I wanted to show that string based SVG by using Image tag of UWP page (XAML layout). The SVG will be represented in SVG markup language like: …
Posted By: Anonymous I have list with below data (fetched from Json column) public class ProductType { public string FieldName{ get; set; } public List<string> items { get; set; } } List contains Cart item1 item2 item3 wish item4 item2 item6 I have an another List which contains values related to ProductType public class ProductCost …
Posted By: Anonymous I was following the xamarin 101 series on youtube and got an error in episode 6 This is how my MainPageViewModel.cs is using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.ComponentModel; using System.Text; using Xamarin.Forms; namespace App2.ViewModels { class MainPageViewModel : INotifyPropertyChanged { public MainPageViewModel() { EraseCommand = new Command(() => { TheNote …
Posted By: Anonymous How to create Restful web service to call a stored procedure in Visual studio 2019.I tried using SOAP and WCF Web service but I don’t know how to use RESTful Web service. What I need to give in the URI template ?Any example code or link plz public interface IRestWebService { [OperationContract] …
Posted By: Anonymous I need to map this results, but getting error: AutoMapper.AutoMapperConfigurationException: ‘Custom configuration for members is only supported for top-level individual members on a type.’ public class ResponseModel { public int TotalPageCount { get; set; } public IEnumerable<ExternalAPIResponseModel> ExternalAPIResponse { get; set; } = new List<ExternalAPIResponseModel>(); } public class ExternalAPIResponseModel { public string …
Posted By: Anonymous I know the "Order is not guaranteed" with IEnumerable, my question is different, I have an IEnumerable. I used the ToList() method to create the List. Does the List now follow the same order as the IEnumerable? IEnumerable.ElementAt(i) == List[i] ?? Solution Well, it depends. IEnumerable can be basically anything, so a …
Posted By: Anonymous I am developing an app that takes track of transcurred times, and the user must be able to set the app time format as he wants, for example: "ss:fff" (seconds:miliseconds) "sss. fff mils." (seconds s. miliseconds mils.) "dd:hh:mm" (days:hours:minutes) etc… I store the times as long, so with a simple TimeSpan formatting …
Posted By: Anonymous I am working on a workflow that deals with each PDF attachment as a separate order. It is written by others and I have no control over what happens in it. All it requires is that each of the outlook email must have one and only one PDF attachment. As I can …
Posted By: Anonymous Before you tell me that the way to run .fsx scripts in .NETCore/.NET5(or higher) is dotnet fsi, FYI: I know that already. I just can’t upgrade yet, so I’m still running my .fsx scripts with the good-old .NET 4.x Framework. To do this, and to run them under GithubActions CI, I had …
Posted By: user12639686 Earlier I had a good understanding of variance in interfaces. Now I’m a little confused with the variance in delegates in variant interfaces. Methods, properties, indexers, and events can be defined in interfaces. The signature of methods, properties and indexers in the variant interface is direct. And the events are reversed. I …
Posted By: Anonymous I have a list of event objects: class Event { private int eventId; private int categoryId; private int eventOrder; } After ordering by the eventOrder field, this is the result: Event (eventId = 11, categoryId = 3, eventOrder = 1) Event (eventId = 44, categoryId = 2, eventOrder = 2) Event (eventId …
Posted By: Anonymous The older Azure Function gives access to HttpRequest, which allows us to access the uploaded files via req.Form.Files etc. The isolated .NET5 Azure Function uses HttpRequestData instead, which does not give access to the Form. How do I extract the uploaded files posted to the function? Solution You can add <PackageReference Include="HttpMultipartParser" …
Posted By: Anonymous I’ve got a .NET 5 solution that builds fine on multiple machines, but on the TeamCity build server it does not. C:redacted.WebAPI.csproj : error NU1202: – net5.0 (.NETCoreApp,Version=v5.0) C:redacted.WebAPI.csproj : error NU1202: – netcoreapp3.1 (.NETCoreApp,Version=v3.1) C:redacted.WebAPI.csproj : error NU1202: Package FluentValidation.AspNetCore 10.2.2 is not compatible with net50 (.NETFramework,Version=v5.0) / win7-x86. Package FluentValidation.AspNetCore …
Posted By: Anonymous I want to create QR Code from user data. I have using below library for creating QR Code. Install-Package QRCoder Now I have done below code to convert data into base64 string. private static Byte[] BitmapToBytes(Bitmap img) { using (MemoryStream stream = new MemoryStream()) { img.Save(stream, System.Drawing.Imaging.ImageFormat.Png); return stream.ToArray(); } } public …
Posted By: Anonymous I’m trying to make a function that shows a dialog where the user should select to confirm the deletion of an entry on a table or to cancel it. I’ve searched about that topic and thats what I’ve reached in terms of code: public static bool ConfirmDelete(string table, string rowid) { var …
Posted By: Anonymous I am trying to create a file and write in it using C# code below: string machinename; // CHECKING IF THE DIRECTORY EXISTS OR NOT — IF NOT CREATE ONE if (!Directory.Exists(Application.StartupPath + @"Settings")) Directory.CreateDirectory(Application.StartupPath + @"Settings"); // CHECKING IF THE FILE EXISTS OR NOT — IF NOT CREATE ONE if (!File.Exists(Application.StartupPath …
Posted By: Anonymous My question is based on this article https://www.harshmaurya.in/volatile-vs-lock-vs-interlocked-in-c-net/ where it shows an example: private int _counter = 0; and suppose you have multiple threads that do _counter++; The article suggests to use Interlocked class like Interlocked.Increment(ref _counter); I can understand why Interlocked is needed to ensure writng a value to a variable …
Posted By: Anonymous So I am new to C# and Vs Studio. I was playing around learning it by adding new classes and testing what I could do. However, today it seems like no matter what I do, when I create a new class it won’t link to the main file. For example, I will …
Posted By: Anonymous I have installed the Microsoft Dependency Injection into a .NET Framework 4.8 class library. I have also reigster interface A to class A. The problem is that my class B that takes a object of interface A in construtor still demands it when I try to create the class? So how do …
Posted By: Anonymous I have Form1 inside an MDI Container, and when I submit the Name and the Age, Form2 is opened inside the same container with the Name and the Age written on 2 labels, and I can do this as many times as I want. My question is how do I get the …
Posted By: Anonymous Recently I had Azure Pipeline builds start failing, without any changes to my build scripts/yaml. The errors are as follows but they’re still pretty light on the details. C:hostedtoolcachewindowsdotnetsdk3.1.406FSharpMicrosoft.FSharp.Targets(279,9): error MSB6006: "dotnet.exe" exited with code 1. [D:a1ssrcApp.CoreApp.Core.fsproj] ##[error]Error: The process ‘C:hostedtoolcachewindowsdotnetdotnet.exe’ failed with exit code 1 To get more information I also …
Posted By: Anonymous I’m trying to append a piece of text to a RichTextBox, using the following code Form2.codeOutput.Text += "test"; This works fine when placed before my array (like this): public static void newString(string curLine) { Form2.codeOutput.Text += "test"; string[] parsedString = new string[3]; parsedString[0] = "string"; parsedString[1] = curLine.Substring(7, 12); parsedString[2] = curLine.Substring(23, …
Posted By: Anonymous Could not load file or assembly ‘Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed’ or one of its dependencies. The located assembly’s manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) Doing my head in trying to find this reference. I am running a .NET Framework v4.5 project, and then importing the DLL …
Posted By: Anonymous I traced group source code, and found group will new a GroupedEnumerable object. But when I tried below code it can’t use is GroupedEnumerable to check. var orders = new[] { new {ID=1,Country="US",CreateDate=new DateTime(2021,01,01),PrdtID="P0020",Qty=100,Amount=100}, new {ID=2,Country="US",CreateDate=new DateTime(2021,01,02),PrdtID="P0021",Qty=200,Amount=200}, new {ID=3,Country="US",CreateDate=new DateTime(2021,02,03),PrdtID="P0022",Qty=300,Amount=300}, new {ID=4,Country="US",CreateDate=new DateTime(2021,02,04),PrdtID="P0023",Qty=400,Amount=400}, new {ID=5,Country="CN",CreateDate=new DateTime(2021,01,01),PrdtID="P0020",Qty=100,Amount=100}, new {ID=6,Country="CN",CreateDate=new DateTime(2021,01,02),PrdtID="P0021",Qty=200,Amount=200}, new {ID=7,Country="CN",CreateDate=new DateTime(2021,02,03),PrdtID="P0022",Qty=300,Amount=300}, …
Posted By: Anonymous I have below scenario where an abstract class has an abstract method of a class type and the abstract method has been called inside a concrete method of the same abstract class. Can someone explain the below concept of OOPS? I am sorry if I am asking silly Q. using FactoryPattern.PizzaProduct; namespace …
Posted By: Anonymous I’m attempting to create a dynamic panel where I can add controls to and scroll when the controls are off the panel’s height, while also hiding the scrollbars. I’m using a FlowLayoutPanel and I’m constantly adding custom panels to it, with their Width set to the parent Container’s Width. I’ve also set …
Posted By: Anonymous I am implementing in the controller of C# Framework 4.7.2 API a method that must be asynchronous to unblock the thread (as mentioned in this article) of a heavy process so that the service can continue to serve requests from other clients, and when that process finishes return a response. [HttpGet] [Route("Method")] …
Posted By: Anonymous I am simulating an Iot Device (Noise Sensor) in Azure IoT hub the code below works perfectly fine. However I want to simulate something closer to reality, where I can use different decibel ranges between different hours. Something like this: if 00.00- 7.00AM – Randum number between (10-20) if 7am-9AM – Random …
