Recent questions tagged C#

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c# - Deserialized Object Has All Values Set to Null

I'm trying to deserialize JSON into a custom object but all my properties are set to null and not sure what's going ... Value { get; set; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Error message: Cannot convert type 'string' to 'string[]'

I am creating a dynamic array, and getting an error: Error message: Cannot convert type 'string' to 'string[]' ... How can I resolve this error? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - AppDomain.CurrentDomain.UnhandledException does not get called

I have a WCF service that has the following code in Global.asax: protected void Application_Start(object sender, ... for a WCF service? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - In a winforms application, how can you run a messagebox from a background worker that must always be in the foreground?

Right now, I'm using a background worker thread to check something every so often and if the conditions are ... there another way? Thanks Isaac See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to wire events with methods using Autofac?

Is it possible to wire events to methods with Autofac instead of whole object via interfaces/classes (through constructor ... for such a task? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How do you validate an object's internal state?

I'm interested in hearing what technique(s) you're using to validate the internal state of an object during ... other ways of achieving this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

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c# - Floating point inconsistency between expression and assigned object

This surprised me - the same arithmetic gives different results depending on how its executed: > 0.1f+0. ... double-precision floating points. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - StorageFile Async usage in a NON Metro application

I am trying to create an instance of StorageFile in my class library... var localFolder = ApplicationData.Current. ... your thoughts... Stelio See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - WCF - An error occurred while receiving the HTTP response to http://xxxxx/Service/

I am making this call in my WCF service: public User GetStudentRecord(string userName) { try { return new ... closed by the remote host See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How do I skip default JavaScript array serialization for IEnumerable types in Json.Net?

Some custom types that implement IEnumerable don't necessarily have backing collections. They could be generated dynamically, ... ...see below) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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312 views

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c# - A GINA replacement in a .NET language?

I have searched quite a lot of places and I only found one GINA replacement called pGINA but it is in C ... to control what employees are doing) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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358 views

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c# - How extension methods are implemented internally

How are extension methods implemented internally? I mean what happens when the compiler sees a declaration for an ... happens under the hood? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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911 views

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c# - Cannot implicitly convert type System.Collections.Generic.IEnumerable<> to bool

I'm developing an ASP.NET MVC 4 Application and I'm trying to run this Lambda expression in Entity Framework 5. ... 't know how to correct it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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439 views

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c# - Visual Studio 2012 fakes UnitTestIsolation instrumentation failed to initialize

Just installed vs 2012 update 2 (http://www.microsoft.com/en-us/download/details.aspx?id=36833) so I can ... and in another solution as well. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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579 views

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c# - How can I convert DateTime to String in Linq Query?

I have to display date in MMM dd,YYYY format. var performancereviews = from pr in db.PerformanceReviews .Include(a => ... Linq how can we do it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Problem on using ODP.Net

I've successfully used Oracle Database 11g Release 2 (11.2.0.1.0) to connect oracle from .Net. (in ... can I solve this problem? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Combine multiple dictionaries with same key in them into one dictionary with the sum of values

INPUT Dictionary 1 "a", "1" "b", "2" Dictionary 2 "a", "3" "b", "4" Dictionary 3 ... was Combine multiple dictionaries into a single dictionary See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

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c# - Extracting a URL from hyperlinked text in Excel cell

I have a table full of Hyperlinked text in excel, so it's basically a bunch of names but when I ... com//Recipes/desserts/cookies/Main.aspx See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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282 views

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c# - How do I load controls in different ContentControls of a Shell using CaliburnMicro

By default when you use "ActivateItem(new Control());" your control is loaded into a ContentControl which ... ContentControl. Thanx in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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552 views

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c# - Entity Framework Core, deleting items from nested collection

I have two classes public class InvoiceRow { public int Id { get; set; } public int InvoiceId { get; set; } ... is the best approach to do it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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545 views

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c# - How to create this type of subdomain on the fly like Blogger.com

Sometime ago I asked this question and I was told that the entry has to be made in DNS etc. I was ... Currently I am developing on localhost. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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565 views

1 answer

c# - How do I listen to TPL TaskStarted/TaskCompleted ETW events

I am interested in listening to ETW (event tracing for Windows) TPL events, in particular I'd like to know ... related event for that matter)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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332 views

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c# - How to find out if an MSI I just installed requested a Windows reboot?

I've built a setup.exe in C# that runs several chained MSI's (with the /QUIET /NORESTART). At the end I'd ... a reboot). How can I detect so? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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285 views

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c# - Does SQL Server CLR Integration support configuration files?

I use SQL Server CLR Integration to create an ASSEMBLY. Load Command: CREATE ASSEMBLY TcpClr FROM 'G:TcpClrTest. ... support App.config files? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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259 views

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c# - Windows phone 8 How to be always on one theme even if phone's theme changed

My app is generally designed for dark theme, and I'm using StaticResources So if the user changes his phone's theme ... s a windows phone 8 app) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

1 answer

c# - itextsharp trimming pdf document's pages

I have a pdf document that has form fields that I'm filling out programatically with c#. Depending on three ... pages 1-5 but delete 6 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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339 views

1 answer

c# - using a Code Snippet for INotifyPropertyChanged

I found this code snippet for INotifyPropertyChanged But it shows the code like this : I would have this : for public ... ]> </Code> </Snippet> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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488 views

1 answer

c# - How to use a LINQ query to get XElement values when XElements have same name

I have a piece of xml like the following: <Table> <Record> <Field>Value1_1</Field> <Field>Value1_2</ ... : Value1_1, Value1_2 Value2_1, Value2_2 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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