Recent questions tagged C#

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c# - the source file is different from when the module was built

This is driving me crazy. I have a rather large project that I am trying to modify. I noticed earlier that ... or am I just missing something? See Question&Answers more detail:os...

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

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c# - Referenced Project gets "lost" at Compile Time

I have a C# solution with two projects: a service (the main project) and a logger. The service uses classes ... (obviously) that I'm missing? See Question&Answers more detail:os...

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

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c# - Ensure that HttpConfiguration.EnsureInitialized()

I've installed Visual Studio 2013 and when I run my app I get the error below. I've got no idea as to ... 4.0.30319.18408 This is for AlumCloud See Question&Answers more detail:os...

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

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c# - How do you click a button in a webbrowser control?

For example, using code and no user input, how would I have my program click the "Search" button on google ( ... box and am at google.com) See Question&Answers more detail:os...

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

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c# - Proper DataGrid search from TextBox in WPF using MVVM

I am new to the MVVM pattern, and a little confused on when to use Code Behind. I have a very simple ... would be appreciated. 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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c# - How to programmatically log in to a website to screenscape?

I need some information from a website that's not mine, in order to get this information I need to ... authentication. POST action needed. See Question&Answers more detail:os...

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

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c# - Detecting Client Death in WCF Duplex Contracts

I'm trying to build a SOA where clients can perform long running queries on the server and the server responds ... detect some of these things. See Question&Answers more detail:os...

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

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c# - Deserializing heterogenous JSON array into covariant List<> using Json.NET

I have a JSON-array containing objects of different types with different properties. One of the properties is called ... it using JSON.NET? See Question&Answers more detail:os...

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

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c# - ASP.NET Identity Cookie across subdomains

For forms authentication I used this in web.config (note the domain attribute): <authentication mode="Forms"> <forms ... ".myapp.com" }); See Question&Answers more detail:os...

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

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c# - How can I simulate a mouse click at a certain position on the screen?

What I want to do is to manipulate the mouse. It will be a simple macro for my own purposes. So it ... I am clicking with certain interval. See Question&Answers more detail:os...

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

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c# - Get ConnectionString from appsettings.json instead of being hardcoded in .NET Core 2.0 App

I have the following class in NET Core2.0 App. // required when local database does not exist or was ... new AppContext(builder.Options); } See Question&Answers more detail:os...

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

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c# - 'casting' with reflection

Consider the following sample code: class SampleClass { public long SomeProperty { get; set; } } public ... instance through reflection ? See Question&Answers more detail:os...

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

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c# - Should I bind to ICollectionView or ObservableCollection

Should one bind DataGrid to the ICollectionView = CollectionViewSource.GetDefaultView(collection) or to the ObservableCollection< ... and why? See Question&Answers more detail:os...

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

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c# - Copying files into the application folder at compile time

If I have some files I want to copy from my project into the .indebug folder on compilation, then it seems ... appear in the .indebug folder. See Question&Answers more detail:os...

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

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c# - How do I pass an object to HttpClient.PostAsync and serialize as a JSON body?

I'm using System.Net.Http, I found several examples on the web. I managed to create this code for make a ... with Microsoft.Net.Http? 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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c# - reading from app.config file

I am trying to read StartingMonthColumn and CategoryHeadingColumn from the below app.config file using the code ... > </configuration> See Question&Answers more detail:os...

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

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c# - What is ApplicationException for in .NET?

To throw exceptions, I usually use built-in exception classes, e.g. ArgumentNullException and NotSupportedException. However ... with my 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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c# - Convert array of strings to List<string>

I've seen examples of this done using .ToList() on array types, this seems to be available only in .Net 3.5+. ... after I copy it into my list? See Question&Answers more detail:os...

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

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c# - How can I deploy a .NET application that uses ODAC without installing the whole component to the user?

I have written a C# application that connects to an Oracle 10g database. Using Oracle Data Access Component 11.2 ... do to solve this problem? See Question&Answers more detail:os...

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

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c# - good Speech recognition API

I am working on a college project in which I am using speech recognition. Currently I am developing it ... just simple dictation grammar. See Question&Answers more detail:os...

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

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1 answer

c# marking class property as dirty

The following is a simple example of an enum which defines the state of an object and a class which shows the ... so in the presentation layer. See Question&Answers more detail:os...

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

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c# - How can I write a unit test to determine whether an object can be garbage collected?

In relation to my previous question, I need to check whether a component that will be instantiated by ... using the NoTrackingReleasePolicy ? See Question&Answers more detail:os...

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

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c# - get unique machine id

I want to get unique unchangeable Machine id Like Processor serial number of the computer for distribute a software ... number of a computer? See Question&Answers more detail:os...

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

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c# - In .NET 4.0, how do I 'sandbox' an in-memory assembly and execute a method?

Here is the reason why this question was being asked: www.devplusplus.com/Tests/CSharp/Hello_World. While similar ... dlls, even temporarily. See Question&Answers more detail:os...

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

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c# - Save detached entity in Entity Framework 6

I've read through LOTS of posts on saving a detached entity in Entity Framework. All of them seem to apply ... existing item that was changed? See Question&Answers more detail:os...

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

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2.1k views

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c# - WPF ListView: Attaching a double-click (on an item) event

I have the following ListView: <ListView Name="TrackListView"> <ListView.View> <GridView> <GridViewColumn Header=" ... double-clicking the item? See Question&Answers more detail:os...

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

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c# - How to force BundleCollection to flush cached script bundles in MVC4

... or how I learned to stop worrying and just write code against completely undocumented APIs from Microsoft. Is there ... so that isn't 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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c# - "Templates can be used only with field access, property access, single-dimension array index, or single-parameter custom indexer expressions" error

Why am I receiving the error: Templates can be used only with field access, property access, single-dimension ... for solving the error? See Question&Answers more detail:os...

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

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