ASP.NET 6.0 - Build Hands-On Web Projects - Completing Order Repository CRUD Methods

This tutorial covers the implementation of the order repository class, focusing on methods to get, add, update, and delete orders using ADO.NET and SQL stored procedures. It includes detailed explanations of SQL connections, command objects, and error handling, with practical examples in Visual Studio and SQL Server Management Studio.

What is the primary focus of the order repository class discussed in the lecture?

• Creating a new database

• Implementing the 'get order by ID' method

• Designing a user interface

• Developing a mobile application

Which SQL object is used to establish a connection to the database in the 'get order by ID' method?

• SQLCommand

• SQLParameter

• SQLDataReader

• SQLConnection

What is the purpose of the 'add order' method?

• To delete an order

• To update an existing order

• To insert a new order into the database

• To retrieve all orders

In the 'add order' method, which SQL command type is used?

• Text

• Scalar

• StoredProcedure

• TableDirect

What is a key difference between the 'add order' and 'update order' methods?

• The 'update order' method requires an ID parameter

• The 'add order' method uses a different database

• The 'update order' method does not use SQL

• The 'add order' method is faster

Which method is used to execute the SQL command in the 'update order' method?

• ExecuteNonQuery

• ExecuteScalar

• ExecuteXmlReader

• ExecuteReader

What happens if an exception occurs in the 'delete order' method?

• The order is still deleted

• The application crashes

• The error is logged

• The database is reset

Which stored procedure is executed in the 'delete order' method?

• SPInsertOrder

• SPUpdateOrder

• SPSelectOrder

• SPDeleteOrder

What is the result of executing the 'delete order' method with a valid ID?

• The order is deleted

• The order is duplicated

• The order is retrieved

• The order is updated

What is the role of the 'executeNonQuery' method in the 'delete order' method?

• To execute a command that does not return rows

• To retrieve data

• To close a connection

• To open a connection