Recent questions tagged .NET

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.net - Entity Framework: Navigation Properties Issue

I am working with Entity Framework code-first, and I have a class Course which has a navigation property Students: ... what I am doing wrong? See Question&Answers more detail:os...

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

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.net - How to set values in x axis MSChart using C#

I have these XY values: Series S1 = new Series() S1.Points.AddXY(9, 25); S1.Points.AddXY(10, 35); ... whole range of values. Any ideas please? See Question&Answers more detail:os...

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

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.net - XML Deserialization of a date with an empty value

I'm getting a xml file from one vendor that has some "empty" dates like this: <UpdatedOn/> <DeletedOn/> ... public System.DateTime UpdateOn{...} See Question&Answers more detail:os...

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

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.net - How can I marshall a vector<int> from a C++ dll to a C# application?

I have a C++ function that produces a list of rectangles that are interesting. I want to be able to get ... there some other trick or approach? See Question&Answers more detail:os...

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

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.net - How do I add icons next to the nodes in a WPF TreeView?

I have a WPF TreeView with just 1 level of items. The TreeView is data bound to an ObservableCollection of ... each node in the TreeView? See Question&Answers more detail:os...

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

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.net - How to create image with rounded corners in C#?

I'd like to create image (from another one) with rounded corners with GDI+. What's the best way to do this? ... I cannot make use of client CSS See Question&Answers more detail:os...

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

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.net - Image loading memory leak with C#

I have a memory leak issue in my application which loads a large amount of images. I'm rather new to C#, ... the answer the memory leak. 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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.net - C# - StreamReader.ReadLine does not work properly!

Simply I have been trying to implement what BufferedStreamReader does in Java. I have a socket stream open ... Java's BufferedStreamReader? :s See Question&Answers more detail:os...

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

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.net - How can I use non-Silverlight assemblies in a Silverlight app?

I'm working an project (pure hobby, "Sharping my skills") which has one unified back-end and multiple front- ... assembly in a Silverlight 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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.net - Is there an API call to start a scan for hardware devices

Related to this question, but... is it possible to trigger via API a new hardware device scan? I have a ... Devices dialog's COM Ports tab. See Question&Answers more detail:os...

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

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354 views

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.net - How to scan through really huge files on disk?

Considering a really huge file(maybe more than 4GB) on disk,I want to scan through this file and calculate ... be handled within 11s. 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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.net - Cross product of two lists

Messing around with 'extension functions' for the List module. (I spent quite a while developing 'mapfold' ... (product3 tuplelist) l3 See Question&Answers more detail:os...

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

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.net - CLR SQL Assembly: Get the Bytestream?

I have a SQL CLR dll I want to deploy, but have found you can embed the byte stream/varbinary_literal/ ... finding in using Load(). See Question&Answers more detail:os...

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

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.net - Do all UWP apps leak memory when navigating pages?

So I've been getting my teeth into UWP and developing a simple app in C# using VS2017 v15.6.4, on the ... it a fundamental issue with UWP apps? See Question&Answers more detail:os...

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

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.net - Searching For String Literals

In the quest for localization I need to find all the string literals littered amongst our source code. I ... require translation. Any ideas? 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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.net - how i can execute CMD command in c# console application?

It's very simple to make a mysqldump in cmd on windows, simply: Open cmd and put type mysqldump uroot ... and send my command successfully? See Question&Answers more detail:os...

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

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.net - Why is there no const member method in C# and const parameter?

Unlike C++, there aren't any const member method and const parameters in C#. What is the reason? See Question&Answers more detail:os...

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

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329 views

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.net - How do I draw simple graphics in C#?

I just want to draw simple 2D objects like circle, line, square etc in C#. How do I do that? Back ... to tutorials or samples much appreciated. See Question&Answers more detail:os...

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

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570 views

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.net - What does MailMessage.IsBodyHtml do?

I'm testing sending out some emails via C#, but I can't tell what effect setting IsBodyHtml to true has. ... the body is supposed to work. See Question&Answers more detail:os...

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

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428 views

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.net - How to generate MD5 hash code for my WinRT app using C#?

I'm creating a MetroStyle app and I want to generate a MD5 code for my string. So far I've used this: public ... ) What am I doing wrong here? See Question&Answers more detail:os...

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

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317 views

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.net - How can I get close to non-nullable reference types in C# today?

I've read many of the non-nullable questions and answers. It looks like the best way to get close to non- ... has at least a partial solution. See Question&Answers more detail:os...

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

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340 views

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.net - How can I display a DateTimePicker in a DataGridView?

Is there any way to put a DateTimePicker control in the DataGridView? I checked all the possible properties but ... but not the DateTimePicker. See Question&Answers more detail:os...

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

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483 views

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.net - How to add PNG resource in Visual Studio 2010?

I have a PNG (i.e. a compressed image) that I'd like to include in my assembly (i.e. application). How 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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.net - Green Exceptions?

When unhandled exceptions are encountered in VStudio usually the debugger highlights the line YELLOW as the line ... Studio Green Exceptions" See Question&Answers more detail:os...

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

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266 views

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.net - How to check if a .txt file is in ASCII or UTF-8 format in Windows environment?

I have converted a .txt file from ASCII to UTF-8 using UltraEdit. However, I am not sure how to verify ... in Windows environment. Thank you! See Question&Answers more detail:os...

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

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786 views

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.net - Regex for all PRINTABLE characters

Is there a special regex statement like w that denotes all printable characters? I'd like to validate that a ... specify this in a regex? See Question&Answers more detail:os...

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

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444 views

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.net - Is it possible to create a truely weak-keyed dictionary in C#?

I'm trying to nut out the details for a true WeakKeyedDictionary<,> for C#... but I'm running into ... this problem even possible to solve? See Question&Answers more detail:os...

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

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590 views

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.net - Maximum Filesize of LogFileAppender in Log4Net

I am using Log4net for a while now and it's an amazing logging framework, especially when hooked into Castle.Windsor. ... create 1 file (ever)? See Question&Answers more detail:os...

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

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