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Scaffolding is a code generation technique used in MVC to create basic CRUD operations for a model.
Scaffolding generates boilerplate code for Create, Read, Update, and Delete operations
It saves time and effort by generating code for repetitive tasks
Developers can customize the generated code to fit their specific needs
MVC Filters are used to implement cross-cutting concerns in ASP.NET MVC applications.
Authorization Filters
Action Filters
Result Filters
Exception Filters
Authorization filter checks if the user has access to the requested resource after a page re-direct.
Authorization filter is executed after the page re-direct is completed.
It checks if the user has the necessary permissions to access the requested resource.
If the user is not authorized, the filter will redirect the user to the login page or display an error message.
Authorization filter can be applied globally or on...
Entity Framework is used to create class objects from DB First
Entity Framework is a popular ORM tool used in .NET development
It can generate classes based on an existing database schema
This process is known as Database First approach
The generated classes are called Entity Classes
Entity Framework also supports Code First and Model First approaches
LINQ equivalent of LEFT JOIN is DefaultIfEmpty()
Use DefaultIfEmpty() method to perform LEFT JOIN in LINQ
Use into keyword to create a temporary variable for the join
Example: var result = from a in tableA
join b in tableB on a.Id equals b.Id into temp
from b in temp.DefaultIfEmpty()
select new { a.Id, b.Name }
Code First and DB First are two approaches to create Entity Framework models.
Code First: Create classes first and generate database schema from them.
DB First: Create database schema first and generate classes from it.
Code First is more flexible and allows for easier version control.
DB First is useful when working with legacy databases.
Both approaches use Entity Framework to map database tables to classes.
Scaffold tool is used to create models in Entity Framework
Scaffold-DbContext command in Package Manager Console
Visual Studio's Add New Item > ADO.NET Entity Data Model
Entity Data Model Wizard in Visual Studio
I have used both GIT and TFS for source control.
I have used GIT for personal projects and TFS for enterprise-level projects.
I am familiar with branching, merging, and pull requests in both GIT and TFS.
I have experience with using GIT and TFS in conjunction with continuous integration and deployment tools.
I have also used tools like SourceTree and Visual Studio Team Explorer for managing source control.
TFS is a centralized version control system while GIT is a distributed version control system.
TFS is tightly integrated with Microsoft products while GIT is more flexible and can be used with any platform.
TFS has a more complex branching and merging system while GIT has a simpler and more efficient system.
TFS has a centralized repository while GIT has a distributed repository.
TFS has a more comprehensive set of fe...
Yes, I have experience with Token based authorization.
I have implemented token based authentication using JWT (JSON Web Tokens) in several projects.
I have used OAuth 2.0 to generate access tokens for API authentication.
I have integrated token based authorization with ASP.NET Identity for user authentication and authorization.
I have also worked with refresh tokens to extend the validity of access tokens.
I am famili...
I applied via Naukri.com and was interviewed in Jan 2022. There were 3 interview rounds.
To improve web application, I use tools like profiling, caching, compression, and optimization.
I use profiling tools like MiniProfiler and Glimpse to identify performance bottlenecks.
I implement caching using tools like Redis and Memcached to reduce database queries and improve response time.
I use compression techniques like Gzip and Brotli to reduce the size of files sent over the network.
I optimize images, scripts, a...
MVC is a design pattern used in web development. MVC is better than ASP.NET web forms for complex applications.
MVC separates application into Model, View, and Controller
MVC provides better control over HTML, CSS, and JavaScript
MVC is better for complex applications with multiple developers
ASP.NET web forms are better for simple applications with rapid development
MVC is more testable than ASP.NET web forms
Razor engine is a markup syntax used to create dynamic web pages in ASP.NET. It is faster than typical ASP pages.
Razor engine is a server-side markup syntax used to create dynamic web pages in ASP.NET
It allows developers to embed server-side code into HTML content
Razor pages are faster than typical ASP pages because they are compiled into C# code before being executed
Razor pages have a cleaner syntax and are easier to ...
LINQ equivalent of LEFT JOIN is DefaultIfEmpty()
Use DefaultIfEmpty() method to perform LEFT JOIN in LINQ
Use into keyword to create a temporary variable for the join
Example: var result = from a in tableA
join b in tableB on a.Id equals b.Id into temp
from b in temp.DefaultIfEmpty()
select new { a.Id, b.Name }
Code First and DB First are two approaches to create Entity Framework models.
Code First: Create classes first and generate database schema from them.
DB First: Create database schema first and generate classes from it.
Code First is more flexible and allows for easier version control.
DB First is useful when working with legacy databases.
Both approaches use Entity Framework to map database tables to classes.
Scaffold tool is used to create models in Entity Framework
Scaffold-DbContext command in Package Manager Console
Visual Studio's Add New Item > ADO.NET Entity Data Model
Entity Data Model Wizard in Visual Studio
Entity Framework is used to create class objects from DB First
Entity Framework is a popular ORM tool used in .NET development
It can generate classes based on an existing database schema
This process is known as Database First approach
The generated classes are called Entity Classes
Entity Framework also supports Code First and Model First approaches
Web API is a framework for building HTTP services that can be accessed from various clients.
Web API is built on top of ASP.NET framework.
It supports HTTP verbs like GET, POST, PUT, DELETE, etc.
It can return data in various formats like JSON, XML, etc.
It can be used to build RESTful services.
It can be consumed by various clients like web browsers, mobile apps, etc.
Scaffolding is a code generation technique used in MVC to create basic CRUD operations for a model.
Scaffolding generates boilerplate code for Create, Read, Update, and Delete operations
It saves time and effort by generating code for repetitive tasks
Developers can customize the generated code to fit their specific needs
SSRS stands for SQL Server Reporting Services, a server-based reporting platform that allows creating and managing reports.
SSRS is a part of Microsoft SQL Server.
It provides a set of tools to create, deploy, and manage reports.
Reports can be created using various data sources like SQL Server, Oracle, Excel, etc.
Reports can be exported to various formats like PDF, Excel, Word, etc.
SSRS also provides a web-based interfac...
MVC Filters are used to implement cross-cutting concerns in ASP.NET MVC applications.
Authorization Filters
Action Filters
Result Filters
Exception Filters
Authorization filter checks if the user has access to the requested resource after a page re-direct.
Authorization filter is executed after the page re-direct is completed.
It checks if the user has the necessary permissions to access the requested resource.
If the user is not authorized, the filter will redirect the user to the login page or display an error message.
Authorization filter can be applied globally or on spec...
MVC routes are used to map URLs to controller actions. To change a particular action's route, we can use the Route attribute.
MVC routes are defined in the RouteConfig.cs file in the App_Start folder.
To change a particular action's route, we can use the Route attribute above the action method.
For example, [Route('Employee')], will change the URL from /EmployeeDetails to /Employee.
We can also specify parameters in the ro...
Secure data in SQL server using encryption, access control, and regular backups.
Encrypt sensitive data using TDE or column-level encryption
Implement access control using roles and permissions
Regularly backup data to prevent loss or corruption
Use strong passwords and limit access to the server
Monitor for suspicious activity and implement auditing
The application can choose the respective database based on the user's location or other criteria.
Use a load balancer to route traffic to the appropriate database server based on user location
Implement a database sharding strategy to distribute data across multiple databases
Use a master-slave replication setup to replicate data across multiple databases
Implement a database routing layer that can dynamically route reque...
Database concurrency refers to the ability of multiple users to access and modify the same data simultaneously.
Concurrency control mechanisms ensure that data remains consistent and accurate.
Locking, optimistic concurrency control, and transaction isolation levels are common techniques used to manage concurrency.
Concurrency issues can lead to data inconsistencies and conflicts, such as lost updates and dirty reads.
Choose Code First for flexibility, DB First for legacy systems.
Code First allows for more flexibility in designing the database schema
DB First is useful for working with legacy systems or pre-existing databases
Consider the project requirements and team expertise when making a decision
Triggers are database objects that execute automatically in response to certain events.
Triggers are used to maintain the integrity of data in a database.
There are two types of triggers: DML triggers and DDL triggers.
DML triggers are fired in response to DML (Data Manipulation Language) events like INSERT, UPDATE, and DELETE.
DDL triggers are fired in response to DDL (Data Definition Language) events like CREATE, ALTER, ...
Magic Tables are temporary tables created by SQL Server during DML operations.
Magic Tables are used to access the data before and after a DML operation.
They are created automatically by SQL Server and cannot be accessed directly.
They are useful for auditing and logging changes to a table.
The inserted and deleted tables are examples of Magic Tables.
CTE is a temporary result set that can be referenced within a SELECT, INSERT, UPDATE, or DELETE statement.
CTE is defined using the WITH keyword followed by a name and a SELECT statement.
It can be used to simplify complex queries and improve performance.
CTE can be recursive, allowing a query to reference itself.
Example: WITH sales AS (SELECT * FROM orders WHERE status = 'completed') SELECT * FROM sales;
Example: WITH rec...
Unit testing is a software testing technique to test individual units or components of a software application.
Unit testing is done to ensure that each unit/component of the software application is working as expected.
It helps in identifying and fixing bugs early in the development cycle.
Unit testing is usually automated and can be run frequently to ensure that changes made to the code do not break existing functionalit...
I have used both GIT and TFS for source control.
I have used GIT for personal projects and TFS for enterprise-level projects.
I am familiar with branching, merging, and pull requests in both GIT and TFS.
I have experience with using GIT and TFS in conjunction with continuous integration and deployment tools.
I have also used tools like SourceTree and Visual Studio Team Explorer for managing source control.
TFS is a centralized version control system while GIT is a distributed version control system.
TFS is tightly integrated with Microsoft products while GIT is more flexible and can be used with any platform.
TFS has a more complex branching and merging system while GIT has a simpler and more efficient system.
TFS has a centralized repository while GIT has a distributed repository.
TFS has a more comprehensive set of feature...
Yes, I have experience with Token based authorization.
I have implemented token based authentication using JWT (JSON Web Tokens) in several projects.
I have used OAuth 2.0 to generate access tokens for API authentication.
I have integrated token based authorization with ASP.NET Identity for user authentication and authorization.
I have also worked with refresh tokens to extend the validity of access tokens.
I am familiar wi...
Top trending discussions
I applied via LinkedIn and was interviewed before Dec 2023. There was 1 interview round.
Find the second most occurrence of string in an array of strings.
Create a dictionary to store the count of each string in the array
Sort the dictionary by count in descending order
Return the key of the second element in the sorted dictionary
I appeared for an interview in May 2025, where I was asked the following questions.
I prefer languages that enhance productivity and maintainability, such as Python, JavaScript, and Java, depending on the project needs.
Python: Great for data analysis and machine learning with libraries like Pandas and TensorFlow.
JavaScript: Essential for web development, enabling interactive front-end experiences with frameworks like React.
Java: A strong choice for enterprise applications due to its robustness and sca...
The software development process is a structured approach to creating software applications through various stages.
1. Requirements Gathering: Identify what the software needs to do. Example: User interviews to gather feature requests.
2. Design: Create architecture and design specifications. Example: UML diagrams to visualize system components.
3. Implementation: Write the actual code based on design. Example: Using Pyth...
I appeared for an interview in May 2025, where I was asked the following questions.
Key features of artificial intelligence include learning, reasoning, problem-solving, perception, and language understanding.
Learning: AI systems can learn from data, improving their performance over time. Example: Machine learning algorithms.
Reasoning: AI can draw conclusions from available information. Example: Expert systems in diagnostics.
Problem-solving: AI can find solutions to complex problems. Example: Optimiza...
Developing content involves planning, creating, reviewing, and publishing to ensure quality and relevance.
1. Research: Identify the target audience and gather relevant information. Example: Conduct surveys to understand user needs.
2. Planning: Outline the content structure and key messages. Example: Create a content calendar for blog posts.
3. Creation: Write, design, or produce the content. Example: Draft articles, cre...
Effective leadership in software development involves communication, collaboration, and fostering a positive team culture.
Establish clear goals: Define project objectives and ensure everyone understands their roles, like using Agile methodologies for clarity.
Encourage open communication: Create an environment where team members feel comfortable sharing ideas and feedback, such as regular stand-up meetings.
Foster collab...
I applied via Campus Placement and was interviewed before Aug 2022. There were 3 interview rounds.
Before Aptitude Test, There was a telephonic interview round in which they test your communication and ask questions about your education and projects. You just have to show your confidence to pass this round. After that, the aptitude test was quite easy. There are 15 questions all are doable in just 15 to 20 minutes of time span.
After that, The coding round takes place in which they provide you with a device with an online compiler of your preferred programming language and ask you to solve 4 questions without using any built-in function. The questions are based on Linked Lists, Stacks, Arrays, etc. You have to do it all manually. This round lasts up to 1 hour.
I applied via Job Portal
Easy aptitude test containing mathematics and logical questions
4 leetcode easy to medium level
Find the second most occurrence of a string in an array of strings in JavaScript.
Create a map to store the count of each string in the array
Sort the map by values in descending order to find the most occurrence
Return the key of the second element in the sorted map
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
Aptitude questions with some basic coding questions
They have given 3 coding questions and some pseudo codings
posted on 27 Aug 2024
I applied via Job Portal
Some of the top questions asked at the Wilco Source Senior ASP.NET Developer interview -
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