The code below shows a simple way to check if the name field only contains letters, dashes, apostrophes and whitespaces. If the value of the name field is not valid, then store an error message: $name=test_input($_POST["name"]);if(!preg_match("/^[a-zA-Z-' ]*$/",$name)){$...
129 - Day 24 Employee Management System Inheritance 23:27 130 - Day 25 Animal Sound Simulator Polymorphism 14:58 131 - Day 26 Secure User Profile App Encapsulation 18:33 132 - Day 27 Inventory Management System Static Class Methods 17:19 133 - Day 28 Mini ATM Machine Final OOP Proje...
In order to understand the power of OOP, consider, for example,form inheritance, a new feature of .NETthat lets you create a base form that becomes the basis for creating more advanced forms. The new "derived" formsautomatically inherit all the functionalitycontained in the base form. This d...
Fast forward to 2018 and .NET Core 3.0, where we were finally able to start modernizing Windows Forms. We changed the font to Segoe UI indotnet/winforms#656, and quickly learned that a great number of things depended on this default font metrics. For example, the designer was no longer ...
The data structures, apparatus, methods, and mechanisms of the present invention cooperate to provide the user with a flexible multiple inheritance OOP environment. OOP environments comprise composite data structures and internal mechanisms for manipulating those structures. The structures are used to ...
Also, Web Forms are built on the Microsoft .NET Framework, which provides benefits such as a managed environment, type safety, and inheritance. When an ASP.NET Web Forms page runs, the page goes through a life cycle in which it performs...