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How to Create Custom Exceptions in C with Examples Custom Exceptions in CSharp
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How to Create Custom Exceptions in C# with Examples | Custom Exceptions in CSharp • In this video, I am going to discuss How to Create Custom Exceptions in C# with Examples. As part of this video, we are going to discuss the following pointers in detail. • 1. What are System Exceptions and Application Exceptions in C#? • 2. How to create a Custom Exception in C#? • 3. Why do we need to create Custom Exceptions in C#? • 4. Examples to Understand Custom Exceptions in C#. • • Types of Exceptions in C#: • Before understanding how to create Custom Exceptions or used Defined Exceptions in C#, let us first understand what are the different types of Exceptions available. In C#, the exceptions are divided into two types. They are as follows: • 1. System Exception: These Exceptions are caused by the CLR. • 2. Application Exception: These Exceptions are caused by the programmer. • What are System Exceptions in C#? • An exception that is raised implicitly under a program at runtime by the Exception Manager (Component of CLR) because of some logical mistakes (some predefined conditions) is known as System Exception. For example, if you are diving an integer number by zero, then one system exception is raised called DivideByZero. Similarly, if you are taking an alphanumeric string value from the user and trying to store that value in an integer variable, then one system exception is raised called FormatException. So, in C#, there are lots of System Exception classes are available. Some of them are as follows: • 1. DivideByZeroException • 2. IndexOutOfRangeException • 3. FormatException • 4. SQLException • 5. NullReferenceException, Etc. • What are Application Exceptions in C#? • An exception that is raised explicitly under a program based on our own condition (i.e. user-defined condition) is known as an application exception. As a programmer, we can raise application exceptions at any given point in time. For example, our requirement is, while performing the division operation, we need to check that if the second number is an odd number, then we need to throw an exception. This cannot be handled automatically by the CLR. Then as a user, we need to create our Custom Exception (Application Exception) and we need to create an instance of our Custom Exception class and then we need to throw that Custom Exception instance using the throw keyword explicitly based on our business requirement. • The text document of this video: https://dotnettutorials.net/lesson/cr... • #customexceptioncsharp #csharpcustomexceptionexamples #customexception #csharp #csharptutorials #dotnettutorials • How to Create Custom Exceptions in C# • How to Create Custom Exceptions in C# with Examples • How to Create Custom Exceptions in CSharp • How to Create Custom Exceptions in CSharp with Examples • Custom Exceptions in C# • Custom Exceptions in C# with Examples • Custom Exceptions in CSharp • Custom Exceptions in CSharp with Examples • C# Custom Exceptions • C# Custom Exceptions Examples • CSharp Custom Exceptions • CSharp Custom Exceptions Examples
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