Core Solutions Inc. Interview Questions, Process, and Tips

Data validation in Ado.net ensures data integrity and accuracy.

• Use parameterized queries to prevent SQL injection attacks

• Use data validation controls like DataReader and DataAdapter

• Implement error handling to catch and handle validation errors

Constraints in SQL are rules and limits that are applied to columns in a table to ensure data integrity and consistency.

• Constraints ensure data accuracy and consistency in a database

• Common constraints include NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK, and DEFAULT

• NOT NULL constraint ensures a column cannot have a NULL value

• UNIQUE constraint ensures all values in a column are unique

• PRIMARY KEY constraint uniquely...read more

IConfigureService is used in ASP.NET Core to configure services for dependency injection.

• Used in ConfigureServices method in Startup class

• Registers services with the DI container

• Helps in configuring services like MVC, Entity Framework, etc.

Dependency Injection is a design pattern where the dependencies of an object are provided externally rather than created within the object itself.

• Create an interface for the dependency

• Create a class that implements the interface

• Pass the dependency to the class through constructor, setter method, or interface method

• Use a framework like Spring for automatic dependency injection

The updated version of Asp net is Asp net Core.

• Asp net Core is the latest version of Asp net framework.

• It is an open-source, cross-platform framework for building modern, cloud-based, internet-connected applications.

• Asp net Core offers improved performance, flexibility, and scalability compared to previous versions.

Passing browser parameter to controller in software development

• Use query parameters in the URL to pass browser information to the controller

• Access the browser information in the controller using request parameters

• Example: /api/controller?browser=Chrome