大约有 4,762 项符合查询结果(耗时:0.0299秒) [XML]

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Nullable type as a generic parameter possible?

...rk at all with reference types (e.g. GetValueOrNull<string>) because C# doesn't seem to like Nullable<(ref type)> like "string?". Robert C Barth & James Jones's solutions, below, seem much better to me if that's your need. – bacar Jul 28 '11 at ...
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Max or Default?

...yField = value _ Select CType(y.MyCounter, Integer?)).Max Or in C#: var x = (from y in context.MyTable where y.MyField == value select (int?)y.MyCounter).Max(); share | ...
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How to check if IEnumerable is null or empty?

... @Mormegil Why? extension methods finally give C# some capability to work with nulls, which other languages (like Ruby) completely take for granted. – Matt Greer Feb 18 '11 at 22:54 ...
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Visual Studio 2013 IntelliSense stops working for ASP.NET MVC5 Controllers

... Tools > Options > Text Editor > C# > General Make sure that "Auto List Members" is checked share | improve this answer | follow...
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How to add extension methods to Enums

... Enums in C# kind of suck because this compiles and runs: Duration d = 0; – Graham Mar 30 '16 at 15:32 17 ...
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Could not find any resources appropriate for the specified culture or the neutral culture

... When I tried sharing a resource.resx file from one C# project with another C# project, I got this problem. The suggestion on moving the Form class to the beginning of its file wasn't appropriate. This is how I solved it. You essentially use a link from the second project to ...
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How can I know if a process is running?

... though this is a very old post, would you explain to me how this is valid C#. I am not doubting it, I see it works, but I have never seen if else without { }. – MatthewD Nov 18 '15 at 19:06 ...
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System.Net.WebException HTTP status code

...te to this party, but fair warning that the null-conditional operator is a C# 6.0 feature, so one needs to be using a compiler that supports it. Stack Overflow answer with further details. VS 2015+ has it by default, but if one is using any kind of build/deploy environment other than just "their ma...
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Ajax request returns 200 OK, but an error event is fired instead of success

...hing how can i return json value from code behind. I am using Asp.net with C#. This solved my issue but can please also let me know this thing also. – Pankaj Mishra May 31 '11 at 11:37 ...
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Break when a value changes using the Visual Studio debugger

... is this available for managed code? I see this option disabled for C# project. Remember reading somewhere this is a tough feature to implement in debugging managed apps especially with garbage collector involved. – Gulzar Nazim Oct 1 '08 at 23:25 ...