C# Code Examples

1.	How to make an HTTP POST web request in C#
2.	How to create a random int number in C#
3.	How to add values to an array in C#
4.	How to iterate over a dictionary in C#
5.	How to convert a string to a byte array in C#
6.	How to get int value from enum in C#
7.	How to turn an object into a JSON string in C#
8.	AddTransient, AddScoped and AddSingleton Services. What are the differences?
9.	How to set the Authorization Header of HttpClient in C#
10.	What is a NullReferenceException and how to fix it in C#
11.	How to set the Content-Type header for an HttpClient request in C#
12.	How to get the index of the current iteration in a foreach loop in C#
13.	How to get a list item by index in C#
14.	What is the best way to assign the initial value to a C# auto-property
15.	How can I convert a string to an int in C#
16.	How to parse JSON with C#
17.	How to encode and decode a base64 string in C#
18.	How to create a C# Regex that accepts numbers only (0-9) and no characters
19.	What is a difference between parameter and argument in C#
20.	How to get a dictionary value by key in C#
21.	How to correct 'Metadata file .dll could not be found'
22.	How to correct 'Unable to resolve service for type while attempting to activate'
23.	How to sort a C# List<T> by a property in the object
24.	How to call an asynchronous method from a synchronous method in C#
25.	How to call a REST API from C#
26.	No connection could be made because the target machine actively refused it
27.	An existing connection was forcibly closed by the remote host in C#

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