Paul D. Sheriff YouTube Channel

I have created a YouTube channel with many free previews of courses I have created over the years.

The following are the various playlists I have created on YouTube.


All Courses - Descending Date Order
# Playlists: 17

Have you ever wanted to break out of corporate life and be your own boss? Many people have this dream, and it might be time for you to take the leap. This course introduces you to the advantages and disadvantages of owning your own business. You are given checklists of what you should and should not do when owning a business. This course focuses on real-world tips and tricks learned from a 30+ year business owner.
In this course you are provided with an overview of Web APIs in general. You then build an MVC Web API project and learn to consume Web APIs using Postman and Swagger. You learn how to configure the project to return different types of data such as JSON and XML. The basics of routing and how to add logging and exception handling is illustrated. You then build a set of CRUD APIs to allow a developer to interact with your database. You are going to see how to call your APIs via JavaScript/jQuery and how CORS is added to allow cross-domain access. Finally, the basics of securing your Web APIs is covered. You are going to see approximately 88 demos, be asked over 65 questions, and perform over 75 hands-on labs.
The Minimal Web API was introduced in .NET 6 and is a simpler method of creating Web API routes compared to MVC. If you want to learn to use minimal APIs, this is the course for you. This course is over 4 hours long and contains over 90 demos, over 65 assessment questions, and over 75 hands-on labs!
When programming C#, or any .NET language, object-oriented programming (OOP) is a required skill. This course provides you with the skills you need to master OOP in C#. In this course you learn by watching and by doing. Over 40 demos, 30 quiz questions and 30 hands-on labs guide you to becoming proficient with object-oriented programming.

C# is an in-demand skill set that employers are looking for today. C# is used to develop everything from web applications to cloud applications, mobile applications, games, internet of things, and desktop applications. Before you can start to program these types of applications, you need to first learn the basics of the C# language. Watching this online course provides you with the basic skills necessary to further your education as a C# developer.
Every developer knows they should be creating Unit Tests to improve the quality of their applications. This course will walk you through creating unit tests using Visual Studio. You will see how easy it is to get started with creating unit tests. In addition, you will learn how to simplify the unit test process by creating data-driven tests. Finally, you will automate your unit tests by scheduling them to run via the command line utility dotnet test.
To query and manipulate XML documents, .NET provides several great technologies. In this course, Working with XML in .NET 6, you’ll learn to create, load, save, and query XML documents. First, you’ll explore creating and modifying XML documents. Next, you’ll discover loading, saving, validating, and various methods of querying data within XML files. Finally, you’ll learn how to serialize C# objects as XML. When you’re finished with this course, you’ll have the skills and knowledge of XML needed to effectively and efficiently process XML files.
LINQ can filter and extract data from collections efficiently. In this course, LINQ Fundamentals in C# 10, you’ll learn to apply LINQ queries to sets of data to extract meaningful information in an efficient manner. First, you’ll explore how to create LINQ queries, where to learn more about LINQ, and how to select and order data from sets of data. Next, you’ll discover how to filter data, get distinct values, and identify the kind of data contained within collections. Finally, you’ll learn how to work with multiple sets of data, group data into sets, and aggregate data to produce statistics for solving business problems. When you’re finished with this course, you’ll have the skills and knowledge of LINQ needed to apply queries in your everyday applications to produce data efficiently.
It can be hard to find good information about creating a security system for your Angular applications. In this course, Angular Security Using .NET 5 and JSON Web Tokens, you’ll learn to create an authentication and authorization system in Angular. First, you’ll explore how to secure UI elements on the client-side. Next, you’ll discover how to secure your Web APIs using JSON Web Tokens. Finally, you’ll learn how to build a claims-based system for your Angular applications. When you’re finished with this course, you’ll have the skills and knowledge of Angular and JSON Web Tokens needed to secure your own Angular and Web API applications.
LINQ can filter and extract data from collections much more efficiently and with less code. In this course, C# Language-Integrated Query (LINQ), you'll learn over 60 LINQ queries using C#. First, you'll explore why you should use LINQ, how to select, order, filter and extract data using LINQ queries. Next, you'll discover how to use LINQ queries to work with multiple collections, group and aggregate data. Finally, you'll learn what goes on under the hood with LINQ queries by understanding deferred execution. When you're finished with this course, you'll have the skills and knowledge of LINQ needed to query data efficiently and with less code from any collection of data.
In this course, you find out why ADO.NET is still relevant in today's ORM world. First you learn how to connect and submit queries to a database. Next you learn the fastest way to retrieve data using a DataReader. You then learn to handle exceptions and report back great debugging information. Disconnected classes such as a DataTable, DataSet and DataViews are explored next. Working with a the ADO.NET builder classes help automate some of your ADO.NET code. Finally, you see a great set of wrapper classes you can use to eliminate up to 90% of the ADO.NET code you used to have to write, without sacrificing efficiency. When you are finished with this course you will have the skills and knowledge to access databases in the most efficient manner possible, while using the least amount of code. Software required: Visual Studio 2019, .NET 5, C#.
What are the best methods for reading and writing XML documents in C#? In this course, XML Fundamentals in C#, you will gain foundational knowledge to process XML files and use XML to enhance your business applications. First, you will learn to process XML documents using LINQ to XML. Next, you will discover how to write XPath queries. Following that, you will see how to add, edit, and delete data within an XML document. XML serialization is explored to show you how to save a .NET object to an XML file, and then restore that XML as a .NET object. Finally, you will explore how to cache frequently used database data as a local XML file, and to detect when server data changes so you can update your local file. When you're finished with this course, you will have the skills and knowledge of XML needed to process XML documents in C#. Software required: Visual Studio 2019, .NET 5, SQL Server, C#.
In this course, Interacting with Data using jQuery and AJAX you'll learn to make Ajax calls using jQuery. First, you'll explore the history of Ajax with the JavaScript language. Next, you’ll discover how to use Promises and jQuery to retrieve and submit data via a Web API server. Finally, you'll learn how to build an HTML form and submit user data using jQuery objects and methods. When you're finished with this course, you'll have the skills and knowledge of jQuery Ajax needed to manipulate data on an HTML page, retrieve, and submit that data via a Web API server.
With the amount of mobile applications and the need for fast websites, REST API developers are in high demand. In this course, JavaScript REST APIs: Getting Started, you’ll learn to build a simple Node.js and express server and create a set of endpoints. First, you’ll be shown how to build an endpoint to retrieve data. Next, you’ll discover how to create endpoints for POST, PUT, PATCH and DELETE. Then, you'll delve into the different HTTP status codes you should return from each endpoint. Next, you’ll explore how to handle exceptions and return a standardized JSON document. Finally, you’ll see how to call your REST APIs from JavaScript using the XMLHttpRequest object. When you’re finished with this course, you’ll have the skills and knowledge of Node.js, Express, and JavaScript needed to build your own REST APIs for use in mobile or other applications.
In this course, JavaScript Syntax and Operators, you expand your knowledge of the JavaScript language. First, you learn all about the switch statement and the difference between for/in and for/of. Next, you discover the various math, comparison and logical operators. You then see how to handle exceptions and determine the data type of variables. Finally, you explore the 'this' keyword and the spread operator. When you are finished with this course, you will have gained the skills and knowledge of JavaScript syntax and operators needed to propel your JavaScript applications to the next level.
Applications must take security into account, and Angular applications are no exception. In this course, Angular Security Using JSON Web Tokens, you will create an authentication system and an authorization system that can be used on both the client side and the server side. First, you will learn how Angular applications must have secure UI elements on the client side, and secure your Web API calls on the server side. Then, you will use Angular, Visual Studio Code, JSON Web Tokens, claims, roles, and a .NET Core Web API to secure your Angular applications. By the end of this course, you'll know exactly how to implement a flexible, claims-based security system, you can use in a small, medium, or large Angular application.
Did you know that you can use XML instead of a SQL database for applications? Did you know there is LINQ to XML that allows you to process XML documents quickly and efficiently? If the answer is no to either of these two questions, then you need to watch this course. XML files are very common in today's programming world. You will most likely need to read files, write files and query XML within your applications. .NET provides a rich set of XML processing classes that you can use to perform all these functions. C# allows you to easily create, read and query XML files using XPath, LINQ to XML and other methods. In this course you will learn to read and write XML files using the various .NET classes. You will see some real-world uses of XML files in applications.