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HttpUtility does not exist in the current context
I get this error when compiling a C# application. Looks like a trivial error, but I can't get around it.
10 Answers
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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
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get dictionary value by key
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Why not just use key name on dictionary, C# has this:
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("UserID", "test");
string userIDFromDictionaryByKey = dict["UserID"];
If you look at the tip suggestion:
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Enum String Name from Value
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C# 6+ required though.
– Adam K Dean
Jul 17 '18 at 18:32
10
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How to select distinct rows in a datatable and store into an array
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With LINQ (.NET 3.5, C# 3)
var distinctNames = ( from row in DataTable.AsEnumerable()
select row.Field<string>("Name")).Distinct();
foreach (var name in distinctNames ) { Console.WriteLine(name); }
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IOS 7 Navigation Bar text and arrow color
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Vin's answer worked great for me. Here is the same solution for C# developers using Xamarin.iOS/MonoTouch:
var navigationBar = NavigationController.NavigationBar; //or another reference
navigationBar.BarTintColor = UIColor.Blue;
navigationBar.TintColor = UIColor.White;
navigationBar.SetT...
How to create a sequence of integers in C#?
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In C# 8.0 you can use Indices and ranges
For example:
var seq = 0..2;
var array = new string[]
{
"First",
"Second",
"Third",
};
foreach(var s in array[seq])
{
System.Console.WriteLine(s);
}
// Output: First, S...
Why is processing a sorted array slower than an unsorted array?
...hy everything you learn in C/C++ doesn't apply verbatim to a language like C#!
– user541686
Dec 24 '12 at 17:48
38
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Check if two lists are equal [duplicate]
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Multiple lines of text in UILabel
...ineBreakMode = NSLineBreakByWordWrapping;
textLabel.numberOfLines = 0;
// C# (Xamarin.iOS)
textLabel.LineBreakMode = UILineBreakMode.WordWrap;
textLabel.Lines = 0;
Restored old answer (for reference and devs willing to support iOS below 6.0):
textLabel.lineBreakMode = UILineBreakModeWordWrap;
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