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Showing posts from April 7, 2025

Api

  --- Step-by-Step: API Call with Bearer Token Header --- ✅ STEP 1: Add a Config Class for Token (Optional but Clean) File: AppConfig.cs (root folder) namespace ApiConsoleApp {     public static class AppConfig     {         // You can load this from config file or env variable too         public static string BearerToken = "YOUR_DYNAMIC_BEARER_TOKEN_HERE";         public static string ApiBaseUrl = "https://your-api-base-url.com/";     } } --- ✅ STEP 2: Modify API Client to Use Bearer Token File: ApiClients/UserApiClient.cs using System; using System.Net.Http; using System.Net.Http.Headers; using System.Text; using System.Threading.Tasks; using ApiConsoleApp.Models; using Newtonsoft.Json; namespace ApiConsoleApp.ApiClients {     public class UserApiClient     {         private readonly HttpClient _httpClient;         public UserApiCli...
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Api

Here's a step-by-step guide to create a C# Console Application that uses Dependency Injection and makes an API call with headers (Authorization, Id). --- Step 1: Create Console App Open Visual Studio or terminal and run: dotnet new console -n ApiConsoleApp cd ApiConsoleApp --- Step 2: Add Required Packages dotnet add package Microsoft.Extensions.DependencyInjection dotnet add package Microsoft.Extensions.Http --- Step 3: Create Interfaces and Services IApiService.cs public interface IApiService {     Task CallApiAsync(); } ApiService.cs using System.Net.Http; using System.Net.Http.Headers; using System.Threading.Tasks; public class ApiService : IApiService {     private readonly HttpClient _httpClient;     public ApiService(HttpClient httpClient)     {         _httpClient = httpClient;     }     public async Task CallApiAsync()     {         // Set headers       ...
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String Program in C#

using System; using System.Linq; 1)Reverse Name String  in C# String Name="Sudam"; int Len=Name.Length-1; while(Len>=0) { Console.Write(Name[Len]); Len--; } ----------------------------------------- Output --madus ----------------------------------------- 2)Reverse Words of a String in C# string s = "I Name Is Sudam"; string[] a = s.Split(' '); int temp= a.Length - 1; while (temp >= 0) {     Console.Write(a[temp] + ' ');     temp--; } ------------------------------------------ Output --Sudam Is Name I ---------------------------------------- 3) How to Fine count how many double letters are in a string? int doubleLetters = 0; string characters = "Hello"; for (int i = 0; i < characters.Length - 1; i++) {     if (characters[i] == characters[i + 1])     {         doubleLetters++;         i++;     }     Console.WriteLine(doubleLetters); } -----------------------------------------...
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CSV using XmlNode

 To create a CSV from an XmlNode in C#, you can follow these steps: 1. Parse the XML structure using XmlNode. 2. Extract the data you need from child nodes. 3. Write the CSV content using a StringBuilder or directly with StreamWriter. Here's a sample code snippet: using System; using System.IO; using System.Text; using System.Xml; public class XmlToCsvConverter {     public static void ConvertXmlNodeToCsv(XmlNode rootNode, string csvFilePath)     {         StringBuilder csvContent = new StringBuilder();         // Assuming all child nodes have the same structure         // Add header         if (rootNode.HasChildNodes)         {             XmlNode firstRow = rootNode.FirstChild;             for (int i = 0; i < firstRow.ChildNodes.Count; i++)             {     ...
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Controller_Model. cs

Controller using Microsoft.AspNetCore.Http; using Microsoft.AspNetCore.Mvc; using NZWalks.API.Helper; using NZWalks.API.Models; using System.Net; namespace NZWalks.API.Controllers {     [ApiController]     [Route("api/[controller]")]     public class ConnectionController : ControllerBase     {         private readonly IConfiguration _configuration;         public ConnectionController(IConfiguration configuration)         {             _configuration = configuration;         }         [HttpGet("validate")]         public IActionResult ValidateAllConnections()         {             var hostname = Dns.GetHostName();             var connectionStrings = new List<ConnectionItem>();           ...
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