20+ Trig Technology Solutions Interview Questions and Answers

Use bitwise operations to perform multiplication without using the * operator.

• Use bitwise left shift operator to multiply Variable 1 by 2^n where n is the value of Variable 2.

• Add the result of each left shift operation to get the final result.

HTML helpers are methods that help in rendering HTML in a view. Yes, we can create custom HTML helpers.

• HTML helpers are methods that generate HTML markup in a view.

• They help in reducing the amount of HTML code that needs to be written in a view.

• Custom HTML helpers can be created by defining extension methods on the HtmlHelper class.

• Custom HTML helpers can be useful for generating reusable HTML components or complex HTML markup.

• Example: Creating a custom HTML helper to generat...read more

You can change the layout page during runtime by dynamically setting the layout property in the code behind.

• Set the layout property in the code behind based on certain conditions or user input.

• Use conditional statements to determine which layout page to use.

• Example: if(userRole == 'admin') { Layout = '~/Views/Shared/_AdminLayout.cshtml'; } else { Layout = '~/Views/Shared/_UserLayout.cshtml'; }

Method overloading is when multiple methods have the same name but different parameters. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its parent class.

• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding occurs in a subclass when a method has the same name and parameters as a method in its superclass.

• Method overloading is resolved at compile t...read more

MVC stands for Model-View-Controller. It is a software architectural pattern for implementing user interfaces.

• MVC separates the application into three main components: Model (data), View (UI), and Controller (logic)

• MVC page life cycle involves the following stages: Routing, Controller Initialization, Action Execution, Result Execution, and Rendering

Use SQL query to find the second highest salary employee names in Employee table.

• Use ORDER BY clause to sort the salaries in descending order.

• Use LIMIT 1 OFFSET 1 to get the second highest salary.

• Join the Employee table with itself to get the employee names corresponding to the second highest salary.

Yes, we can have multiple Layout pages in ASP.NET MVC.

• Multiple Layout pages can be created in ASP.NET MVC to provide different layouts for different sections of the website.

• Each View can specify which Layout page to use by setting the Layout property in the View file.

• Layout pages can be nested, allowing for a hierarchy of layouts to be used.

• Example: _Layout.cshtml, _AdminLayout.cshtml, _UserLayout.cshtml

Types of filters in MVC include Authorization filters, Action filters, Result filters, and Exception filters.

• Authorization filters restrict access to actions based on user roles or permissions.

• Action filters execute code before and after an action method is called.

• Result filters execute code before and after the result of an action method is executed.

• Exception filters handle exceptions thrown during the execution of an action method.

String is a sequence of characters, while StringBuilder is a mutable sequence of characters used for efficient string manipulation.

• String is immutable, meaning once created, it cannot be changed. StringBuilder is mutable, allowing for efficient modifications.

• String concatenation creates a new string object each time, while StringBuilder allows for efficient appending of characters.

• String is used for constant strings, while StringBuilder is used for dynamic string manipulation...read more

Partial View is a reusable view component in ASP.NET MVC, while View is a complete page or layout.

• Partial View is a smaller, reusable view component that can be rendered within a View or another Partial View.

• View is a complete page or layout that can contain multiple Partial Views and is typically returned by a controller action.

• Partial Views are useful for rendering common elements like headers, footers, or sidebars across multiple pages.

• Views are the main output of a contro...read more

Authentication is the process of verifying the identity of a user or system.

• Authentication ensures that the user is who they claim to be before granting access to resources.

• Common authentication methods include passwords, biometrics, security tokens, and multi-factor authentication.

• Examples of authentication protocols include OAuth, SAML, and OpenID Connect.

Authorization is the process of determining if a user has the necessary permissions to access a resource or perform an action.

• Authorization involves verifying the identity of a user and checking if they have the required permissions.

• It is different from authentication, which is the process of verifying the identity of a user.

• Authorization can be role-based, where permissions are assigned based on roles, or attribute-based, where permissions are based on specific attributes of...read more

View_Start class is used to define common settings for all views in an ASP.NET MVC application.

• View_Start class is a special class in ASP.NET MVC that is used to define common settings for all views in the application.

• It is typically used to set properties like layout, master page, and other view-related settings.

• By defining these settings in View_Start class, they are automatically applied to all views in the application.

• This helps in maintaining consistency and reducing red...read more

SOLID principles are a set of five design principles that help developers create more maintainable, flexible, and scalable software.

• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses without affecting the functionality.

• I - Interface S...read more

ViewBag and ViewData are used in ASP.NET MVC to pass data from controller to view.

• ViewBag is a dynamic property that allows you to pass data from controller to view.

• ViewData is a dictionary object that allows you to pass data from controller to view.

• ViewBag is a dynamic object while ViewData is a dictionary object.

• ViewBag is easier to use but ViewData is type-safe.

IEnumerable is an interface in C# that represents a collection of objects that can be enumerated.

• It is used to iterate over a collection of objects.

• It is part of the System.Collections namespace.

• It is the base interface for all non-generic collections in C#.

• It is commonly used with LINQ queries to query data from collections.

• Example: IEnumerable numbers = new List { 1, 2, 3 };

Collections are classes in .NET that allow you to store and manage groups of objects.

• Collections provide various data structures like lists, queues, stacks, dictionaries, etc.

• They allow for easy manipulation and retrieval of data.

• Examples include List, Queue, Stack, Dictionary.

C language is low-level and efficient, Java is high-level and platform-independent, HTML is used for web development.

• C language is better for system programming due to its low-level nature and efficiency.

• Java is better for cross-platform development and has a larger standard library.

• Example C code: int numbers[] = {1, 2, 3, 4, 5};

• Example Java code: String[] names = {"Alice", "Bob", "Charlie"};

• HTML is used for creating web pages and structuring content on the internet.

Accounts in CRM can be of different types such as customer, partner, vendor, etc. A lead is a potential customer who has shown interest in your product or service.

• Types of accounts in CRM include customer, partner, vendor, and competitor

• CRM stands for Customer Relationship Management and is a software used to manage interactions with customers and potential customers

• A lead is a potential customer who has shown interest in your product or service but has not yet made a purchas...read more

Autowired is a feature in Spring Framework that allows automatic dependency injection.

• Autowired annotation is used to automatically wire beans by type.

• It eliminates the need for explicit bean configuration in XML or Java configuration.

• Autowired can be used on fields, constructors, or methods.

• It helps in achieving loose coupling between classes.