Recent questions tagged .NET

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.net - Is there a way to define an implicit conversion operator in VB.NET?

In C#, you can use the implicit keyword to define an implicit user-defined type conversion operator. In VB. ... on this is greatly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Regex replacement capture followed by digit

I am trying to get a Regex replacement working to update my AssemblyInfo.cs files, so I have: Regex ... actually inserting the character? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Access to disposed closure in C#?

I'm investigating Microsoft enterprise library (data application block) -- The samples sln. They have a sample of ... it yell (warning) ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Regex to parse C# source code to find all strings

I asked this question a long time ago, I wish I had read the answers to When not to use Regex in C# (or Java, C++ ... cd @ ab @ ab etc See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Why isn't the SelectedIndexChanged event firing from a dropdownlist in a GridView?

I cannot get my SelectedIndexChanged of my dropdownlist to fire. I have the following: <form id="form1" runat= ... the gridview? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How do I get a C# WebBrowser control to show jpeg files (raw)?

Does anyone know in .Net 2.0 - .Net 3.5 how to load a jpeg into a System.Windows.Forms. ... .codeproject.com/KB/aspnet/AspxProtocol.aspx See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Creating a custom rule in FxCop

I want to create extra rules in FXCop. Custom Rules to help ensure specific best practices like checking ... resources and examples. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - C# how to send email?

I am using C#.NET 4.0 and would like to send an email to an address with a subject and a body, the body ... any better way to send the email? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to debug GDI Object Leaks?

I'm not quite sure how to go about doing this. It is a large app, and we are having GDI object "leaks" on ... down? (there is ALOT of code). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How do I make a "generic error" page in my ASP.NET application so that it handles errors triggered when serving that page itself?

In my ASP.NET MVC application I want to have a generic error page that is showed together with returning HTTP ... What's the typical approach? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Best Practices for uploading files to database

I am looking for any best practices or ideas on how you would create an interface with a DB from a .NET web ... any help would be super! Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Memory randomization as application security enhancement?

I recently came upon a Microsoft article that touted new "defensive enhancements" of Windows 7. Specifically: ... employ similar strategies? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - ApplyCurrentValues in EF 4

I just was playing with EF 4 in VS 2010 RC and just found that ApplyCurrentValues dont work when the Property ... idea or better work around? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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438 views

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.net - How do I enable double-buffering of a control using C# (Windows forms)?

How do I enable double-buffering of a control using C# (Windows forms)? I have a panel control which I am ... how can I enable double-buffering? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - C# Sort JSON string keys

I'd like to convert the JSON string "{ "birthday": "1988-03-18", "address": { "state": 24, "city": ... I4V + some testing here. Thank you all. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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637 views

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.net - how to log method name when using wrapper class with Log4net

I am implementing a custom XML formatter for log4.net public class ISDSApplicationEventsLayout : XmlLayoutBase { protected ... function.... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to replace the text between two characters in c#

I am bit confused writing the regex for finding the Text between the two delimiters { } and replace the text ... text(result) with another text. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

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.net - Blur the background of the WPF container

Ultimately, what I want to achieve is a replication to some extend, of an Aero glass functionality of a WPF ... allow the custom-shaped look. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - new KeyValuePair<UInt32, UInt32>(i, j).GetHashCode(); High Rate of Duplicates

In search of a fast composite key for Dictionary I came upon anomaly I cannot understand nor justify. In limited ... is is of little value. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Why doesn't C# allow me to use the same variable name in different scopes?

Like for instance: if ( this.IsValid ) { Matrix matrix = new Matrix(); } Matrix matrix = new Matrix() ... from outside the if statement anyway? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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308 views

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.net - At what point does using a StringBuilder become insignificant or an overhead?

Recently I have found myself using StringBuilder for all string concatenations, big and small, however in a recent ... benefits of using one? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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376 views

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.net - How reliable is the FileSystemWatcher in .netFramwork 4?

Has anyone used the FileSystemWatcher in framework 4 and have you encountered any problems? i am using it in a ... i think it should be fine See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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232 views

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.net - Get the name of Enum value

I'm trying to make a function where we can get the Namevalue of a EnumValue For example: Get_Enum_ValueName ... EnumName).ToString End Function See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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239 views

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.net - Difference between TargetType="controlType" and TargetType="{x:Type controlType}"

In WPF you can set the TargetType to either the name of the type or you can set it to {x:Type ... anyone know what the difference is? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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296 views

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.net - How do I prevent Visual Studio from renaming my controls?

If I paste something like <asp:DropDownList ID="DropDownListExpirationDate" runat="server" /> onto an ASPX file ... to disable this feature? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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281 views

1 answer

.net - Which C# method overload is chosen?

Why is the generic method called when both overloads would match? public static void method1(object obj) { ... any conflicts here, right? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

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.net - All requests to ASP.NET Web API return 404 error

I have an ASP.NET MVC 4 web site that includes Web API. The site is developed and tested with Visual Studio 2012 ... Type = "HttpError" ... more See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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301 views

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.net - How to hide file in C#?

I want to hide a file in c#. I know the file path and can create a FileInfo object. How can I hide it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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