C#

9860 1

How to create realtime video conference application using ASP.NET MVC?

I am developing online learning portal in ASP.NET MVC web-application and I want develop video conference featue inside web-app.

Please help me in creating this application, because I am new in web-development.

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Question

9761 0

Multiple ways to add newline into a String in C#

In this short article, I have provided multiple ways to add a line break into a string using C# with Console Application example.

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Article

9607 1

How to make Group by in Linq work with possible null values, in C#?

I am trying to add List.GroupBy(a=>a.ProductType.Name).Select(a=>a.FirstOrDefault()), now here I can have null values for .ProductType or .name so how can I ignore null values in C#, so I can get proper results of GroupBy?

If I am using above query in C#, I am getting error

Object reference not set to an instance of an object

I tried to make it like List.GroupBy(a=>a.ProductType != null ? a.ProductType), but it doesn't work.

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Type
Question

9585 2

The UPDATE statement conflicted with the FOREIGN KEY constraint

When I am trying to save Updated data in table using Entity Framework in ASP.NET MVC, I am getting the below error

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Type
Question

9337 0

How to get file extension or file size in C# ? ( Code With Example )

In this tutorial article, I have provided sample code with examples, which shows how to get file extension from file name and file size in C#

Type
Article

C# Tutorial online without any external IDE

9278 0

Sealed Class in C# (Explanation with example)

This Article provides you complete information with working example of sealed class and methods in C# and how it can be useful for you.

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Article

9190 0

Interface in C# (With Example)

In this article, I have explained about Interface in C#, when to use it and why do we need it with an example.

Type
Article

9116 0

Understanding Enums in C# & it's advantages with example

This article will give you introduction of Enums in C# and will help you understand where we should use it in real world and gives it advantages.

Type
Article

9022 2

DbArithmeticExpression arguments must have a numeric common type

When I am trying to run this command using Entity framework in controller of my project

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Type
Question

8971 0

How to read and write in Console app using C#?

In this article, I have explained how to read and write in C# console applications using Console.ReadLine(), Console.WriteLine() methods in C# for basic, input and output using Console.

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Article

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