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 when I typed DbCommand, visual studio did ... into visual studio, 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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401 views

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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 from the logger. I've added a ... Is there something obvious (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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599 views

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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 where I'm to initialized this object. What ... ; ASP.NET Version: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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641 views

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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 (assuming I've already filled in the search 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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378 views

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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 form right now, that includes one ... with Binding, any direction 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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504 views

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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 login to the website to gather the ... information: Cookie based 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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433 views

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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 using a callback. I'd like to ... underlying tcp connection to 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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372 views

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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 "type" and determines the type of the array ... } How can I reach 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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586 views

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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 loginUrl="~/Account/Login" timeout="2880" ... /Login", CookieDomain = ".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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889 views

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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 will move my mouse to certain position on the screen and click like 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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691 views

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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 deleted public class ToDoContextFactory : ... ); return 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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549 views

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c# - 'casting' with reflection

Consider the following sample code: class SampleClass { public long SomeProperty { get; set; } } public void SetValue(SampleClass instance, ... represented by PropertyInfo 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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478 views

1 answer

c# - Should I bind to ICollectionView or ObservableCollection

Should one bind DataGrid to the ICollectionView = CollectionViewSource.GetDefaultView(collection) or to the ObservableCollection<T> collection; ??? What is the best practice for MVVM 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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470 views

1 answer

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 I have to put them into the root of the ... . I want them to 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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1.3k views

1 answer

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 POST request: public static string POST(string ... can I do this 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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560 views

1 answer

c# - reading from app.config file

I am trying to read StartingMonthColumn and CategoryHeadingColumn from the below app.config file using the code ConfigurationSettings.AppSettings["StartingMonthColumn" ... </appSettings> </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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576 views

1 answer

c# - What is ApplicationException for in .NET?

To throw exceptions, I usually use built-in exception classes, e.g. ArgumentNullException and NotSupportedException. However, sometimes I need to use a ... should ApplicationException fit in 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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496 views

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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+. I'm working with .NET Framework ... lingering array from memory 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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406 views

1 answer

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 "ODAC", it works perfectly on my machine. ... work. What should I 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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479 views

1 answer

c# - good Speech recognition API

I am working on a college project in which I am using speech recognition. Currently I am developing it on Windows 7 and I'm using system.speech ... even if it can understand 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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501 views

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 implementation of this enum. public ... assigned without doing 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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436 views

1 answer

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 Castle Windsor, can be garbage collected ... not leak memory when 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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1.3k views

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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 with out copying. I tried with ... get an unchangeable serial 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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465 views

1 answer

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 questions were asked before, the many answers ... 't want 1,000 dlls, even temporarily. See Question&Answers more detail:os...

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

0 votes

546 views

1 answer

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 to older versions of Entity Framework. They ... way to update an 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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724 views

1 answer

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

I have the following ListView: <ListView Name="TrackListView"> <ListView.View> <GridView> <GridViewColumn Header="Title" Width="100" HeaderTemplate="{ ... will fire on double-clicking the item? See Question&Answers more detail:os...

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

0 votes

438 views

1 answer

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 any actual documentation of the official ... breaks things anyway 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)

0 votes

1.1k views

1 answer

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 array index, or single-parameter custom ... is there another solution 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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