Check out all the C#.Net tutorials.
Quick answer: C# method naming conventions say every method gets a PascalCase verb or verb phrase, like CalculateTotal, async methods end in Async, and parameters stay camelCase: I ran every rule below on .NET 10 against a gear store’s order code, then made the build flag the names you’d get wrong. What You Need Before … Read more >>
Say you run sign-in for a Phoenix dental clinic’s patient portal. When Jenna Morales logs in from a new phone, you text her a six-digit code that works once, for five minutes. To generate OTP in ASP.NET Core C#, call RandomNumberGenerator.GetInt32(0, 1_000_000) and format it with ToString(“D6”), never System.Random. We’ll build the send and verify … Read more >>
To create a GUID in C#, call Guid.NewGuid(). It gives you a random 128-bit value in the familiar 8-4-4-4-12 hex layout, so your code can make an order ID or database key without asking a server for the next number. On .NET 9 and later you also get Guid.CreateVersion7(), which puts a timestamp up front … Read more >>
A patient check-in kiosk that anyone can maximize, minimize or close halfway through isn’t much of a kiosk. Quick answer: you disable minimize and maximize buttons in C# Windows Forms by setting MaximizeBox and MinimizeBox to false. Set ControlBox = false to remove the close button too: We ran each setting on .NET 10 in … Read more >>
Want C# to create a folder only if it doesn’t exist? Call Directory.CreateDirectory(path). It creates the folder when it’s missing and quietly returns the existing one when it’s already there, so no check is needed. In this tutorial, I’ll cover every C# create folder if not exists case I run into: the current directory, folders … Read more >>