Recent questions tagged C#

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c# - StreamWriter replace line with a new text

Is it possible to replace the text in a text file with a new text without erasing the other data, here ... Regex or directly replace the line, 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# - Execute a pl/sql function with OracleCommand

i have this pl/sql function, the only thing it does is validate that the user exist in the database, if ... (returnVal.Value); return bval; 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# - Rhino Mocks - Set a property if a method is called

Is there a way with Rhino Mocks to set a property of a Stub if a method is called. Something like this: ( ... was hung up when HangUp is called. 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# - TextBlock as big as a capital letter (ignoring font ascender/descender)

I am looking to get a specific behavior on TextBlock so that its height only includes the height of the ... " VerticalAlignment="Center" /> 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# - Winforms: Problems validating a cell in a datagridview

I want to validate a Winforms datagridview cell with CellValidating. If a value was not set correctly by the user I ... ].ErrorText = ""; } 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# - Packaging a .NET Application So It Will Run On A Computer Without .NET

I have been recently trying to deploy a C# application on a computer that does not have .NET installed. I ... application, in theory, 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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c# - Serialize/deserialize objects - order of fields matters?

Is it possible that DataContractSerializer wrongly deserializes an object if the fields are not in the "correct" ( ... someone knows better. ;) 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# - What's the shortest regex that can match non-zero floating point numbers with any number of decimal places?

What's the shortest regex that can match non-zero floating point numbers with any number of decimal places? It should ... is C#, by the way. 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# - Windows 98-style progress bar

I use Windows 7, so my progress bars all have that green look. I'd like something a little more simplistic ... I have to recreate it manually? 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# - Horizontal scroll winforms listview

Anyone know if its possible to enable horizontal scrolling ONLY in a windows forms listview (viewmode set to large ... want. Thanks 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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291 views

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c# - LINQy way to check if any objects in a collection have the same property value

I have a class Agent with a property Id Given a collection of Agents I need to check if any of them have ... a good way of doing 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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c# - RegEx matching HTML tags and extracting text

I have a string of test like this: <customtag>hey</customtag> I want to use a RegEx to modify the text ... Any help would be 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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c# - wpf combobox binding

Hi I′m trying to bind a List<> to a combobox. <ComboBox Margin="131,242,275,33" x:Name="customer" Width="194 ... } } and this is the ViewModel. 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# - Cannot run asp.net 5 from docker

I have followed the following guide: Running ASP.NET 5 applications in Linux Containers with Docker and I ... everything works as expected. See Question&Answers more detail:os...

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

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591 views

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c# - Deserialize Xml with empty elements

Consider the following XML: <a> <b>2</b> <c></c> </a> I need to deserialize this xml to an ... an exception telling the document has an 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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284 views

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c# - How to find rectangle of difference between two images

I have two images the same size. What is the best way to find the rectangle in which they differ. Obviously I ... 's an easier way. Example: See Question&Answers more detail:os...

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

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390 views

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c# - Response.Redirect strips Header Referrer - Possible to Add it Back?

I'm using a Response.Redirect to redirect users to another server to download a file, and the other server is ... user as much as possible). See Question&Answers more detail:os...

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

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218 views

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c# - How does ASP.NET Web.api handle two methods with names starting with GET?

I am looking at the following tutorial from Microsoft. As per this tutorial, In the first example, "products" ... . Your First Web API Tutorial See Question&Answers more detail:os...

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

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315 views

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c# - Xamarin.Forms: How to load an image from Resources into a byte-array?

I have a (hopefully) simple question (I don't have found an answer, that fit's by all of my searches). I ... Once again thanks for your help... See Question&Answers more detail:os...

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

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337 views

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c# - WPF ComboBox MaxDropDownItems

Is there anyway to set the maximum number of drop down items rather than the max drop down height in WPF? Thanks! -Kevin See Question&Answers more detail:os...

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

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223 views

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c# - Not a valid Win32 application

I have a project I have built in Visual Studio 2010 on a Windows 7 machine. It compiles and runs without a ... Summary 2000 .rsrc 94000 .text See Question&Answers more detail:os...

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

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365 views

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c# - Copy a file with its original permissions

When using the File.Copy() method the file is copied to its new directory however it loses its original ... doesn't lose the permissions? See Question&Answers more detail:os...

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

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464 views

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c# - Allow System.Windows.Forms.WebBrowser to run javascript

Seriously - read the question all the way through before attempting to answer it. "Use a different browser" doesn' ... this. Any other 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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520 views

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c# - Sending "ENTER" key through serial port

Hi I want to send some command to my device which is connected via serial port. How to send it? For example i found this ... byte[]{ 5 }, 0, 1); See Question&Answers more detail:os...

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

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195 views

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c# - Test if a request's URL is in the Route table

I want to test if a URL is part of the routes defined in the Global.asax. This is what I have: var TheRequest ... . What do I need to change? See Question&Answers more detail:os...

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

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395 views

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c# - Does NPOI have support to .xlsx format?

Will NPOI DLL recognize .xlsx file? Currently I'm using NPOI 1.2.5 version DLL for Microsoft Excel 97-2003, ... ).GetCell(0).StringCellValue); } See Question&Answers more detail:os...

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

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224 views

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c# - Unable to create a new web project in Visual Studio 2013

Background: I am trying to use my office machine, where I have some limited rights, from home. All ... Error: Cannot read configuration file See Question&Answers more detail:os...

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

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514 views

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c# - LINQ to append to a StringBuilder from a String[]

I've got a String array that I'm wanting to add to a string builder by way of LINQ. What I'm ... ) { stringBuilder.AppendLine(item); } See Question&Answers more detail:os...

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

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