vb.net IsDate Function

Hi! In this tutorial, we will make a program that decides if a date is invalid or not. The main function that we will just going to use is the IsDate Function. This function checks if the given expression is a valid date and returns a boolean true or false. So, now let's start this tutorial! 1. Let's start with creating a Windows Form Application for this tutorial by following the following steps in Microsoft Visual Studio: Go to File, click New Project, and choose Windows Application. 2.