Constructor Chaining in C#

Constructor chaining is an approach where a constructor calls another constructor in the same class or base class. It is very useful when we have a class that defines multiple constructors. Before knowing how to use constructor chaining in C#. Let’s first see why we need constructor chaining. Example: We have a class called “Employee” and… Read More »

Difference between throw and throw ex

We can say “throw” maintains the full hierarchy in the stack trace and gives complete information about the exception occurred in the code. Whereas “throw ex” pretends that exceptions occurred on the line where “throw ex” was written and removes all the hierarchy above the method containing the “throw ex” expression.

Difference between IEnumerator and IEnumerable

IEnumerable An enumerable class implements the IEnumerable interface. The IEnumerable interface has only one method GetEnumerator, which returns an IEnumerator interface. public IEnumerator GetEnumerator(); Example:- class Program { static void Main() { List<int> list = new List<int>(); list.Add(1); list.Add(2); list.Add(3); list.Add(4); list.Add(5); List<int>.Enumerator e = list.GetEnumerator(); Write(e); } static void Write(IEnumerator<int> e) { while (e.MoveNext())… Read More »

How to start a Thread in C#

We have to use the Thread class provided by System.Threading namespace. In the constructor of the class, we have to pass the method name which we want to run in separate thread. After than we have to call the start method of Thread class. Example:- using System; using System.Threading; namespace ConsoleApplication1 { class Program {… Read More »

Difference between Lazy Loading and Eager Loading

Lazy/Deferred Loading In lazy loading, related objects (child objects) are not loaded automatically with its parent object until they are requested. By default LINQ supports lazy loading. With Lazy Loading, we only retrieve just the amount of data, which we need in a single query. When we need more data related to the initial data,… Read More »

Why we need Multi-threading in our project

Multi-threading is running the multiple threads simultaneously. We can do multiple tasks simultaneously with the help of Multi-threading. For e.g. saving the details of user to a file while at the same time retrieving something from a web service. Threads are much lightweight than process. They don’t get their own resources. They used the resources… Read More »

Static Class in C#

Static Class:- We can create static class or member by using static keyword. Static class or member can be used when object of class or member not change every time. Static class or member are loaded at time of namespace are loaded by CLR. We cannot create instance of static class because static class member… Read More »

Anonymous method in C#

Anonymous is a type that doesn’t have any name. Anonymous type allows you to create new type by using the new keyword and object initializer syntax without defining its class. The var is used to hold the reference of anonymous types. The Type of anonymous is generated by c# compiler that is accessible within the… Read More »

Use of Fault Contract in WCF Service

In WCF Service, errors or exceptions can be passed to the Client (WCF Service Consumer) by using FaultContract. It’s very simple in Asp.Net by adding the Try & Catch blocks. But when you come to the WCF Service, if any unexpected error occurred (like SQL server down/Unavailability of data/Divide By Zero) in service, then error/exception… Read More »