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.NET Interview Questions: Encapsulation What is encapsulation, and how is it implemented in object-oriented programming? How can private data members be accessed in the context of encapsulation? Polymorphism What are the different types of polymorphism? Can you explain real-time use cases of polymorphism? Constructor What is a constructor, and what are its different types? Static Keyword What is the use of the static keyword in C#/.NET? HTTP Methods What is the difference between HTTP GET and PUT methods? SQL Operations What is the difference between TRUNCATE and DELETE in SQL? What is a ROLLBACK in SQL, and when is it used? Filters What are filters in ASP.NET MVC/Core, and how do they work? Routing How does routing work in ASP.NET MVC/Core? Authentication and Authorization What is the difference between authentication and authorization? How are authentication and authorization implemented in .NET? ...

  1. Frontend (Used on Tablets, PCs, or Browsers): Web App (Doctor & Reception): Angular / React / Vue.js – For modern, responsive UIs. Flutter – If they're using a single app across iOS & Android tablets. HTML5/CSS3/JavaScript – Lightweight interfaces for browser-based UIs. 2. Backend (Core Logic & APIs): Node.js / Express.js .NET Core / ASP.NET MVC – Popular in enterprise clinics. Python (Django / Flask) – For startups or AI-based diagnostics. Java Spring Boot – For high-scale hospital systems. 3. Database: PostgreSQL / MySQL – Widely used for structured patient & appointment data. MongoDB – For flexible medical records, prescriptions, notes. Firebase (Firestore) – If using a Google-based mobile solution. 4. Hosting/Cloud: AWS / Azure / GCP – Hosting, databases, file storage (X-rays, reports). Firebase / Supabase – Used in simpler mobile-first apps. 5. Prescription Generation (Print at Reception): ...

You can deploy a .NET Core 9 (ASP.NET Core) application on Hostinger — but only using their Linux VPS (not shared or Windows hosting). Here's how it works and what plan you'd need: ✅ Supported? Hostinger doesn’t support classic ASP.NET on Linux. Instead, you deploy ASP.NET Core apps on their Ubuntu 22.04 VPS via terminal and reverse-proxy (NGINX) ( support.hostinger.com ). 🛠 Recommended VPS Plans for .NET Core 9 Hostinger offers four KVM-based VPS tiers optimized for ASP.NET Core deployments ( hostinger.in ): Plan vCPU  RAM NVMe SSD Bandwidth Price (India, 24‑mo) KVM 1 1 4 GB 50 GB 4 TB ₹429/month (renews ₹699) KVM 2 2 8 GB 100 GB 8 TB ₹599/month (renews ₹949) KVM 4 4 16 GB 200 GB 16 TB ₹799/month (renews ₹1,999) KVM 8 8 32 GB 400 GB 32 TB ₹1,699/month (renews ₹3,999) (Prices from Hostinger India, 24‑month term) ( hostinger.in ) ⚙ Which Plan Should You Choose? Small/personal apps → KVM 1 (1 vCPU, 4 GB RAM) is ...

## 🧠 What is GATE? The **GATE exam** is a national-level test conducted to evaluate the **understanding of various engineering and science subjects**. It is primarily used for: * **Postgraduate admissions** (M.Tech/M.E./Ph.D.) in IITs, NITs, IIITs, and other top institutes. * **Recruitment to PSUs** (Public Sector Undertakings) like IOCL, NTPC, ONGC, etc. * **Higher studies abroad** in some countries (like Germany and Singapore). * **Fellowships and scholarships** (like in CSIR labs and research institutes). --- ## 📌 GATE 2025 Highlights | Feature | Details | | -------------------- | ---------------------------------------------------- | | **Conducting Body** | IISc Bangalore or one of the IITs (rotational basis) | | **Eligibility** | Bachelor's degree in Engineering/Technology/Science | | **Exam Mode** | Online (Computer-Based Test) | | **Duration** | 3 Hours ...

 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...

 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...

 using System; //Input- My name is Sachin //Expected output- yM eman si nihcaS public class HelloWorld {     public static void Main(string[] args)     {         string input = " My name is Sachin ";         string[] words = input.Split(' ');         string result = "";         foreach (string word in words)         {             char[] chars = word.ToCharArray();             Array.Reverse(chars);             result += new string(chars) + " ";         }         // Trim the extra space at the end         result = result.TrimEnd();         Console.WriteLine(result);     } }