C# - Part 58 - Difference between ToString() and Convert.ToString() Method - Tutorial For Beginners

The main difference between ToString and Convert.ToString in C# lies in how they handle null values:

ToString method: This is an instance method inherited from the base class System.Object. It's designed to be overridden in custom classes to define how the object should be converted to a string representation. However, it does not handle null values and throws a NullReferenceException if called on a null object.

Convert.ToString(object value): This is a static method from the Convert class. It's specifically designed to convert various data types to strings. Unlike the ToString method, Convert.ToString can handle null values. If you pass a null value to Convert.ToString, it will return an empty string ("") instead of throwing an exception.