Category: C#

How to detect if a key exists in a Dictionary in C# ?

If you want to detect if a key exists in a dictionary in C# , you can use the contains method of the dictionary which return true if the key is found. How to detect if a key exists in a Dictionary in C# ? Below is a sample source code that illustrates how to find out if the exists in a dictionary using the…

Built-in method to validate email address in C#

Are you looking for a built-in method in C# which lets you validate email address. If yes , you can use the EmailAddressAttribute class that is defined in the System.ComponentModel.DataAnnotations namespace to do it. How to validate email address in C# using EmailAddressAttribute class ? Below is a sample code snippet demonstrating the usage of the EmailAddressAttribute class to validate the email address in C#.