Tag: csharp

How to Check if the ArrayList is read-only in C# ?

There are times when you would use the read-only wrapper in order to prevent modifying the ArrayList. We use the ArrayList.ReadOnly method to create such collection. When doing so , you might want to check if the ArrayList is Read-only or not. How to Check if the ArrayList is read-only in C# ? Use the IsReadOnly property defined in the ArrayList object to check this.

C#.NET Interview Questions and Answers – Part 2

C#.NET Interview Questions and Answers – Part 2 11. What are the different type of comments provided by C# for documentation ? C# supports three different types of comments– Single Line Comments Eg : //– Multi Line comments Eg : /* */– XML Documentation Comments Eg : /// 12. What are the predefined typed in C# ? The predefined types in C# includesValue types like…

Auto Property Initializers in C# 6.0

The .NET Framework 3.0 introduced the auto-implemented properties which was quite useful but it had one drawback . This did not have an option to specify the default value to the property . Here’s an example of the auto-implemented property in C#. If you had to specify the default value to property , you must either initialize the value in the constructor or by specifying…

Lambdas Expression for Getter-Only Auto-Properties in C# 6.0

C# 6.0 lets the developers use the lambda expression to implement the getter value of the read-only property . Whenever a lambda expression is found , the C# compiler identifies it as the property with only get method rather than a field. Lambdas Expression for Getter-Only Auto-Properties in C# 6.0 Below is a sample code snippet demonstrating the use of Lambdas Expression for Getter-Only Auto-Properties…

How to Populate XDocument from String in C# ?

To populate the XDocument from a string in C# , we can use the Parse method defined in the XDocument class. Below is a sample code snippet that demonstrates how to populate XDocument from string in C#. How to Populate XDocument from String in C# ?

C# and Lambda – Filter elements from object collection using Where method

Here’s a sample code snippet demonstrating how to filter elements from a list of objects using the where clause using Lambda in C#. This sample gets all the employees who salary is greater than 20000 GBP. How to Filter Employees List whose salary is greater than 20000 GBP using Lambda in C# ? Output Employees whose salary is greater than 20000 pounds Michael John

C# and LINQ – Filter elements from object collection with Logical Operators

Here’s a sample code snippet demonstrating how to filter elements from a list of objects using the where clause using LINQ in C#. This sample gets all the employees who salary is greater than 20000 GBP and age is greater than 22. How to Filter Employees List whose salary is greater than 20000 GBP and age is greater than 22 using LINQ in C# ?…

C# Program to swap two numbers without using temporary variable

Problem Write a program in Visual CSharp to swap two numbers using temporary variable and display the result in the console window. How to swap two numbers in C# without using temporary variable ? Output Abundantcode.com coding sample Enter the First Number : 45 Enter the Second Number : 67 First Number is 67 Second Number is 45

Auto-Property Initializers with Method Call in C# 6.0

The Auto-Property Initializer in C# 6.0 is a feature that lets the users to initialize the value of the auto implemented property . This feature lets the user provide any expression (lambda expression or a method) . Auto-Property Initializers with Method Call in C# 6.0 The below code snippet demonstrates how to initialize the auto property with a method call.