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Difference between decimal, float and double in .NET?
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I'm surprised it hasn't been said already, float is a C# alias keyword and isn't a .Net type. it's System.Single.. single and double are floating binary point types.
– Brett Caswell
Feb 3 '15 at 15:48
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How to handle click event in Button Column in Datagridview?
I am developing a windows application using C#. I am using DataGridView to display data. I have added a button column in that. I want to know how can I handle click event on that button in DataGridView.
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Convert HashBytes to VarChar
...which is passed as the parameter. And how to make an equivalent of that in C# code? What encoding should I choose?
– Dmytro Zhluktenko
Oct 19 '17 at 16:19
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How to create a new object instance from a Type
...n an object of unknown type. In the meantime (= since writing this answer) C# has got the dynamic construct which does allow such constructs but for most purposes this answer still covers it.
– Konrad Rudolph
Apr 7 '12 at 15:47
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How do I pass command-line arguments to a WinForms application?
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After years of C# development i never knew this method existed. Nice.
– CathalMF
May 25 '18 at 16:41
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How can we prepend strings with StringBuilder?
...An example is: varStringBuilder.insert(0, "someThing");
It works both for C# and Java
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Why does Math.Round(2.5) return 2 instead of 3?
In C#, the result of Math.Round(2.5) is 2.
15 Answers
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Casting a variable using a Type variable
In C# can I cast a variable of type object to a variable of type T where T is defined in a Type variable?
12 Answers
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How can I format a number into a string with leading zeros?
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See String formatting in C# for some example uses of String.Format
Actually a better example of formatting int
String.Format("{0:00000}", 15); // "00015"
or use String Interpolation:
$"{15:00000}"; // "00015"
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How do I properly clean up Excel interop objects?
I'm using the Excel interop in C# ( ApplicationClass ) and have placed the following code in my finally clause:
41 Answers
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