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How to get number of rows using SqlDataReader in C#
...how to get the number of rows returned by a query using SqlDataReader in C#. I've seen some answers about this but none were clearly defined except for one that states to do a while loop with Read() method and increment a counter.
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Is there a way to specify an “empty” C# lambda expression?
...ry there is the noop and I would expect something similar to be present in C#.
– qqqqqqq
Mar 12 at 21:28
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Using a 'using alias = class' with generic types? [duplicate]
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No there is not. A type alias in C# must be a closed (aka fully resolved) type so open generics are not supported
This is covered in section 9.4.1 of the C# Language spec.
Using aliases can name a closed constructed type, but cannot name an unbound gene...
ArrayList vs List in C#
What is the difference between ArrayList and List<> in C#?
12 Answers
12
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c# open file with default application and parameters
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I converted the VB code in the blog post linked by xsl to C# and modified it a bit:
public static bool TryGetRegisteredApplication(
string extension, out string registeredApp)
{
string extensionId = GetClassesRootKeyDefaultValue(extension);
if (extensio...
How to sum up an array of integers in C#
...nvoluted pre 3.5 version? The foreach loop is available in all versions of C#.
– Jørn Schou-Rode
Mar 16 '10 at 9:37
2
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Convert a string to an enum in C#
What's the best way to convert a string to an enumeration value in C#?
25 Answers
25
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Capturing console output from a .NET application (C#)
...T process your self). Take a look at: How to use the Console output in the C# REPL , Adding 'Console Out' to VisualStudio IDE as a native Window , Viewing 'Console Out' messages created inside UserControls
– Dinis Cruz
Dec 19 '12 at 7:52
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Should enums in C# have their own file? [closed]
...n to ask yourself would be: is there anything about an enumeration type in C# that indicates I should treat it differently from all other types I create?
If the enumeration is public, it should be treated like any other public type. If it is private, declare it as a nested member of the class using...
Find size of object instance in bytes in c#
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is this supposed to work in C# or only managed c++? it's not happy in C# so far that I've tried it: Cannot take the address of, get the size of, or declare a pointer to a managed type ('System.RuntimeTypeHandle')
– Maslow
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