Questions tagged [.net]
Do NOT use for questions about .NET Core - use [.net-core] instead. The .NET framework is a software framework designed mainly for the Microsoft Windows operating system. It includes an implementation of the Base Class Library, Common Language Runtime (commonly referred to as CLR), Common Type System (commonly referred to as CTS) and Dynamic Language Runtime. It supports many programming languages, including C#, VB.NET, F# and C++/CLI.
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What is the difference between String and string in C#?
What are the differences between these two, and which one should I use?
string s = "Hello world!";
String s = "Hello world!";
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35
answers
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How to enumerate an enum?
How can you enumerate an enum in C#?
E.g. the following code does not compile:
public enum Suit
{
Spades,
Hearts,
Clubs,
Diamonds
}
public void EnumerateAllSuitsDemoMethod()
{
...
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What are the correct version numbers for C#?
What are the correct version numbers for C#? What came out when? Why can't I find any answers about C# 3.5?
This question is primarily to aid those who are searching for an answer using an incorrect ...
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Deep cloning objects
I want to do something like:
MyObject myObj = GetMyObj(); // Create and fill a new object
MyObject newObj = myObj.Clone();
And then make changes to the new object that are not reflected in the ...
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Catch multiple exceptions at once?
It is discouraged to catch System.Exception errors. Instead, only the "known" exceptions should be caught.
This sometimes leads to unnecessary repetitive code, for example:
try
{
WebId = ...
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Difference between decimal, float and double in .NET?
What is the difference between decimal, float and double in .NET?
When would someone use one of these?
Tom
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15
answers
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Should 'using' directives be inside or outside the namespace in C#?
I have been running StyleCop over some C# code, and it keeps reporting that my using directives should be inside the namespace.
Is there a technical reason for putting the using directives inside ...
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How do I get a consistent byte representation of strings in C# without manually specifying an encoding?
How do I convert a string to a byte[] in .NET (C#) without manually specifying a specific encoding?
I'm going to encrypt the string. I can encrypt it without converting, but I'd still like to know ...
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How do I calculate someone's age based on a DateTime type birthday?
Given a DateTime representing a person's birthday, how do I calculate their age in years?
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
How can I create an Excel spreadsheet with C# without requiring Excel to be installed on the machine that's running the code?
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How do I remedy "The breakpoint will not currently be hit. No symbols have been loaded for this document." warning?
A C# desktop application (on the Visual Studio Express edition) worked, but then it didn't work 5 seconds later.
I tried the following:
Ensure debug configuration, debug flag, and full debug ...
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Proper use of the IDisposable interface
I know from reading Microsoft documentation that the "primary" use of the IDisposable interface is to clean up unmanaged resources.
To me, "unmanaged" means things like database ...
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What is a NullReferenceException, and how do I fix it?
I have some code and when it executes, it throws a NullReferenceException, saying:
Object reference not set to an instance of an object.
What does this mean, and what can I do to fix this error?
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Calling the base constructor in C#
If I inherit from a base class and want to pass something from the constructor of the inherited class to the constructor of the base class, how do I do that?
For example, if I inherit from the ...
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How to loop through all enum values in C#? [duplicate]
This question already has an answer here:
How do I enumerate an enum in C#? 26 answers
public enum Foos
{
A,
B,
C
}
Is there a way to loop through the possible values of Foos?
...
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