Linux


Comments

Post a Comment

Popular posts from this blog

API development using .NET Core - ProductManagmentCRUD

Image
 1) Create Database and Table as mentioned below queries create table products(ProdId int Primary key, ProductName varchar(20), Price int ) insert into products (ProdId, ProductName, Price ) values (1,'Laptop','45000'); insert into products (ProdId, ProductName, Price ) values (2,'Mouse','500'); insert into products (ProdId, ProductName, Price ) values (3,'Router','1800'); select * from products; 2) Create ASP.NET Core API Project Install NuGet Packages  3)  AppSettings.json {   "Logging": {     "LogLevel": {       "Default": "Information",       "Microsoft.AspNetCore": "Warning"     }   },   "ConnectionStrings": {     "DbConnection": "Server=Server_name; Database=ProductManagementCrud; User Id=sa; password=oj#$kdfn; TrustServerCertificate=True;"   },   "AllowedHosts": "*" } 4) Model -  Product.cs namespace ProductManagmentCRUD.Mo...
Read more

Singleton Design Pattern Realtime Example of banking

Image
Logger Utility in a Banking System using Singleton In a banking application, you might have a logger that logs important events like transactions, errors, and user activities. You want to ensure that only one instance of the logger exists throughout the application to maintain a consistent log format and avoid file access conflicts. 1) Why Singleton? A logging class doesn't need multiple instances. One instance is sufficient and more efficient. 2) Consistency: All log messages are centralized through one instance. 4) Resource Management: Avoids file access conflicts and redundant memory usage. using System; public sealed class Logger {     private static Logger instance;     // Private constructor to prevent instantiation from outside     private Logger()    {         Console.WriteLine(" Logger Initialized. ");     }     // Public method to get the single instance     public static Logger ...
Read more

Consume API in MVC Application

Image
 To map the response from API ( https://localhost:7264/api/Product ) to a .NET MVC Web App , you need to call the API from your controller and deserialize the response into a model, which you can then pass to a view. 1: Create the Product Model 2: Call API from MVC Controller 3: Register HttpClient in Program.cs (or Startup.cs ) 4: Create the Razor View ( Views/Product/Index.cshtml ) 5: Route to Controller Step 1: Create the Product Model public class Product {     public int Id { get; set; }     public string Name { get; set; }     public decimal Price { get; set; } } Step 2: Call API from MVC Controller using Microsoft.AspNetCore.Mvc; using ProductManagementMVC.Models; using System.Net.Http.Headers; using System.Text.Json; namespace ProductManagementMVC.Controllers {     public class ProductController : Controller     {         private readonly HttpClient _httpClient;         public Pro...
Read more