This article will demonstrate you, top 10 csharp string technical interview questions and their solutions. As a Dotnet Developer, if you are working with C# programming language then most of the time, you have faced some challenges while dealing with a string. We have seen, most of the interviewers ask the string related difficult questions like reversing the string, finding the duplicate character from the string etc. So, Today, we will see, the top 10 technical problems related to string and how to resolve that problem. So, let's start the practical demonstration of the technical problems and their solutions.



Today, we will learn about threading in C#, why it is required and how to create a multi-threaded application in C#.



Delegate is as like as function pointer in C# but delegates are type safe. Delegate is an object that point to another method and method can be static or instance. It take arguments and return value. It takes reference to other methods. We can invoke or call the method through the delegate object. If you have got a chance to work with C++ or you will from C++ background then you definitely know about function pointer in C++.



This article will show how to insert bulk data in Oracle database using C#. Generally, we insert one record into the database, but sometimes, we want to insert numerous data into the database using one go. Today, we will see, two different ways for inserting bulk data into database table using C#.



As we know C# 6.0 introduced with Visual Studio 2015. There are several features introduced in several version of the C# like LINQ was introduced with C# 3.0, Dynamic feature was introduced with C# 4.0, Async and Await were introduced with C# 5.0 etc.

In C# 6.0, most focus on syntactical improvement rather than new feature to add on. These features will help us to write code faster and simple way.



As we know, JSON [JavaScript Object Notation] is a subset of JavaScript and is very lightweight data exchange format. Sometimes, we want to use such type of storage in a project from where we can access data very quickly. We do not want to go with creating connection and check connection availability and do not want to be dependent on another server because it’s time-consuming.



This article will demonstrate you about how to create thumbnail image from live Microsoft Office Documents and PDF documents.



This article offers you to understand how to convert any file to PDF format using Spire.Office and Spire.PDF. 



This type of error comes in the project when SQL connection and transaction are not handled properly in the project. You are doing some transaction in the code and let say by any reason the you suffer lost connection. Then it will throw this type of exception. 

 



This article will help you to understand about configuration files like web.config, app.config and machine.config. 




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