.NET Training Classes in O' Fallon, Missouri

Learn .NET in O' Fallon, Missouri and surrounding areas via our hands-on, expert led courses. All of our classes either are offered on an onsite, online or public instructor led basis. Here is a list of our current .NET related training offerings in O' Fallon, Missouri: .NET Training

We offer private customized training for groups of 3 or more attendees.
O'-Fallon  Upcoming Instructor Led Online and Public .NET Training Classes
ASP.NET Core MVC (VS2022) Training/Class 24 November, 2025 - 25 November, 2025 $890
HSG Training Center instructor led online
O'-Fallon, Missouri
Hartmann Software Group Training Registration
Object-Oriented Programming in C# Training/Class 17 November, 2025 - 21 November, 2025 $2250
HSG Training Center instructor led online
O'-Fallon, Missouri
Hartmann Software Group Training Registration

.NET Training Catalog

cost: $ 1890length: 4 day(s)
cost: $ 1190length: 3 day(s)
cost: $ 890length: 2 day(s)
cost: $ 1390length: 3 day(s)
cost: $ 1685length: 4 day(s)
cost: $ 2190length: 5 day(s)
cost: $ 1590length: 4 day(s)
cost: $ 890length: 1 day(s)
cost: $ 1090length: 3 day(s)
cost: $ 1590length: 4 day(s)
cost: $ 1190length: 3 day(s)
cost: $ 2250length: 5 day(s)
cost: $ 1890length: 4 day(s)
cost: $ 2250length: 4 day(s)

C# Programming Classes

cost: $ 890length: 2 day(s)
cost: $ 890length: 2 day(s)
cost: $ 1290length: 3 day(s)
cost: $ 2250length: 5 day(s)

Design Patterns Classes

cost: $ 2250length: 3 day(s)

F# Programming Classes

cost: $ 790length: 2 day(s)

JUnit, TDD, CPTC, Web Penetration Classes

Microsoft Development Classes

cost: $ 790length: 2 day(s)

Microsoft Windows Server Classes

cost: $ 3200length: 9 day(s)

SharePoint Classes

Course Directory [training on all levels]

Upcoming Classes
Gain insight and ideas from students with different perspectives and experiences.

Blog Entries publications that: entertain, make you think, offer insight

When businesses are trying to expand and require professionals to lead teams, terminology may get in the way of who performs what roles. When it comes to information technology (IT), new and vital professionals may seem hard to differentiate between one another. However, there are key differences between specific professionals needed with IT departments. Here are the responsibilities that differentiate between an IT manager and an IT project manager.

IT Managers

IT managers are the leaders of the entire IT infrastructure a business has to function properly. The IT manager must lead the entire IT department to regulate and maintain the IT network for the business. As a manager, this IT professional corresponds with other departments in the business about how the IT department is implementing the goals the business is aiming toward. In addition, the manager must be fiscally responsible and answer to executives and financial officers in the business the reasons behind certain costs and investments. Because of the dual computer technology and business acumen this profession requires, many IT managers have a Master of Business Administration (MBA) related to information technology.

IT Project Managers

Evolving technologies become fun due to the immense advantages and features they bring with them. Fighting change though is human and while we may initially resist such changes, it is always better to accept them to our advantage.

Switching to HTML 5 is one such change we need to be ready for and there are at least 8 reasons why we should be doing so which are explained later in the article.

Earlier HTML was mainly used only for Web content development. But with the arrival of HTML 5, there would be a radical shift in that it would be used more and more for the development of many of the client side applications as well. The advantages straight away are that CSS as well as JavaScript become free due to the open architecture environment. HTML 5 is also pretty light and has a much easier code to read, making it convenient for devices like smart phones and tablets running on batteries to use the applications.

The 8 reasons mentioned above are as under:

Structure Rule Language

To aid in the ease of rule authoring, Blaze Software, now Fair Isaac, created the proprietary Structure Rule Language (SRL), an object-oriented programming language designed to enable those with little or no background in software development to pen rules. Although the capabilities of this language are far too extensive to detail in this article, we can examine the basic rule syntax.

Rules in the SRL take the following form:

rule RuleName [at

F#, which is usually pronounced as F sharp is one of the newly launched and rapidly developing programming languages.  It has recently become focus of attention due to its quick advancement to the 12th position in the recent TIOBE index and the overall rise in popularity.

What is F#?

F# is an open source, functional and object oriented programming language which is available in cross platform. It was developed by a company called F# software foundation with help of Microsoft and other open contributors. F# runs on Linux, windows, iOS, Android and the GPUs and HTML as well. It is a mature programming language which helps the users as well as the organizations to solve the complex problems in a much simpler way with easy code. With its wide range of usage in the specialist and application areas, it is proving itself to be a worthy contender for the top 10 list.

Why choose F#?

Tech Life in Missouri

Missouri, known as the “Show Me State”, has a growing science and biotechnology field. One of the largest gene companies, in the U.S. Monsanto, is based in St. Louis. The higher education system is governed by the Missouri Department of Education and includes 13 four-year universities and 20 two-year colleges.
I never learn anything talking. I only learn things when I ask questions. Lou Holtz
other Learning Options
Software developers near O' Fallon have ample opportunities to meet like minded techie individuals, collaborate and expend their career choices by participating in Meet-Up Groups. The following is a list of Technology Groups in the area.
Fortune 500 and 1000 companies in Missouri that offer opportunities for .NET developers
Company Name City Industry Secondary Industry
Patriot Coal Corporation Saint Louis Agriculture and Mining Mining and Quarrying
Solutia Inc. Saint Louis Manufacturing Chemicals and Petrochemicals
Monsanto Company Saint Louis Agriculture and Mining Agriculture and Mining Other
Kansas City Power and Light Company Kansas City Energy and Utilities Gas and Electric Utilities
The Laclede Group, Inc. Saint Louis Energy and Utilities Gas and Electric Utilities
Peabody Energy Corporation Saint Louis Agriculture and Mining Mining and Quarrying
Emerson Electric Company Saint Louis Manufacturing Tools, Hardware and Light Machinery
Energizer Holdings, Inc. Saint Louis Manufacturing Manufacturing Other
Centene Corporation Saint Louis Healthcare, Pharmaceuticals and Biotech Healthcare, Pharmaceuticals, and Biotech Other
Express Scripts Saint Louis Healthcare, Pharmaceuticals and Biotech Pharmaceuticals
Reinsurance Group of America, Incorporated Chesterfield Financial Services Insurance and Risk Management
Ameren Corporation Saint Louis Energy and Utilities Gas and Electric Utilities
DST Systems, Inc. Kansas City Computers and Electronics Networking Equipment and Systems
Inergy, L.P. Kansas City Energy and Utilities Alternative Energy Sources
Leggett and Platt, Incorporated Carthage Manufacturing Furniture Manufacturing
Cerner Corporation Kansas City Software and Internet Software
O'Reilly Automotive, Inc. Springfield Retail Automobile Parts Stores
AMC Theatres Kansas City Media and Entertainment Motion Picture Exhibitors
Sigma-Aldrich Corporation Saint Louis Manufacturing Chemicals and Petrochemicals
HandR Block Kansas City Financial Services Securities Agents and Brokers
Graybar Services, Inc. Saint Louis Wholesale and Distribution Wholesale and Distribution Other
Edward Jones Saint Louis Financial Services Personal Financial Planning and Private Banking
Arch Coal, Inc. Saint Louis Energy and Utilities Alternative Energy Sources
Brown Shoe Company, Inc. Saint Louis Retail Clothing and Shoes Stores
Ralcorp Holdings, Inc. Saint Louis Manufacturing Food and Dairy Product Manufacturing and Packaging

training details locations, tags and why hsg

the hartmann software group advantage
A successful career as a software developer or other IT professional requires a solid understanding of software development processes, design patterns, enterprise application architectures, web services, security, networking and much more. The progression from novice to expert can be a daunting endeavor; this is especially true when traversing the learning curve without expert guidance. A common experience is that too much time and money is wasted on a career plan or application due to misinformation.

The Hartmann Software Group understands these issues and addresses them and others during any training engagement. Although no IT educational institution can guarantee career or application development success, HSG can get you closer to your goals at a far faster rate than self paced learning and, arguably, than the competition. Here are the reasons why we are so successful at teaching:

  • Learn from the experts.
    1. We have provided software development and other IT related training to many major corporations in Missouri since 2002.
    2. Our educators have years of consulting and training experience; moreover, we require each trainer to have cross-discipline expertise i.e. be Java and .NET experts so that you get a broad understanding of how industry wide experts work and think.
  • Discover tips and tricks about .NET programming
  • Get your questions answered by easy to follow, organized .NET experts
  • Get up to speed with vital .NET programming tools
  • Save on travel expenses by learning right from your desk or home office. Enroll in an online instructor led class. Nearly all of our classes are offered in this way.
  • Prepare to hit the ground running for a new job or a new position
  • See the big picture and have the instructor fill in the gaps
  • We teach with sophisticated learning tools and provide excellent supporting course material
  • Books and course material are provided in advance
  • Get a book of your choice from the HSG Store as a gift from us when you register for a class
  • Gain a lot of practical skills in a short amount of time
  • We teach what we know…software
  • We care…
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Interesting Reads Take a class with us and receive a book of your choosing for 50% off MSRP.