Recent questions tagged C#

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c# - Bind Icon depending on Enum in WPF Treeview

I have at treeview TextBox, and I want convert my Enum: <TextBlock TextAlignment="Justify" VerticalAlignment="Center" ... </StackPanel> </Grid> See Question&Answers more detail:os...

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

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615 views

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c# - Why can't an out parameter have a default value?

Currently when trying to do something in a method that takes an out parameter, I need to assign the value of ... value for an out parameter? 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# - System.Web.Helpers not found in VS2015

I'm trying to add some JSON parsing to the C# code in VS2015 but I can't find: System.Web.Helpers as ... : Added the Extensions window 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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683 views

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c# - Check if a url is reachable - Help in optimizing a Class

net 4 and c#. I need a Class able to return a Bool value if an Uri (string) return HTTP status codes 200. ... } // Result return testStatus; } See Question&Answers more detail:os...

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

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674 views

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c# - Entity Framework enumerating SqlQuery result

I have strange error while I am trying to view results of SqlQuery: var sql = "SELECT @someParam"; var ... please explain why that happens. See Question&Answers more detail:os...

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

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1.1k views

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c# - Function host is not running

I have a Function App in azure and when I hit the URL of the function app it says "Function host is not ... I tried restart but still no luck. See Question&Answers more detail:os...

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

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957 views

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c# - IIS - Access to the path is denied

This question have been asked like million times, but I have tried those solutions and still can't find out why this ... R2 SP1 and IIS 7.5. See Question&Answers more detail:os...

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

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533 views

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c# - Find each RegEx match in string

id like to do something like foreach (Match match in regex) { MessageBox.Show(match.ToString()); } Thanks for any 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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669 views

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c# - How expensive is list.RemoveAt(0) for a generic list?

C#, .NET4. We have some performance critical code that is causing some problems. It is sort of a modified queue ... Lists. Is that the case? See Question&Answers more detail:os...

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

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476 views

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c# - Adding a ProjectReference to a project that is not in the same solution

While doing some refactoring of our projects and solution files, i have separated some .sln files to contain less ... the .csproj file 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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683 views

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c# - WinForms: Is there a concept of associating a label with a textbox?

I'm using Visual Studio 2010 with C#. Is there a concept in Windows Forms development of somehow linking a ... manually move the label also? See Question&Answers more detail:os...

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

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615 views

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c# - How to specify the assembly version for a .NET Core project?

I noticed in new .NET Core projects there is no AssemblyInfo.cs file created. I have seen that you can still ... to use an AssemblyInfo.cs 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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640 views

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c# - Should IDisposable.Dispose() implementations be idempotent?

The Microsoft.NET framework provides the IDisposable interface which requires an implementation of void Dispose() method. ... and its usage? See Question&Answers more detail:os...

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

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650 views

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c# - Is it good idea to use uint instead of int as the primary key in data model class?

We know that the primary keys are usually positive integers. Is it good idea to use uint instead of int as the ... for the sake of simplicity. } See Question&Answers more detail:os...

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

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814 views

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c# - DataTables vs IEnumerable<T>

I'm having a debate with another programmer I work with. For a database return type, are there any ... DataTables these day just lazyness? See Question&Answers more detail:os...

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

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725 views

1 answer

c# - Will putting a "using" statement around a DataReader close it?

I usually write my DataReader code like this: try { dr = cmd.ExecuteReader(CommandBehavior.SingleResult); while (dr.Read ... reader.Close(); } } See Question&Answers more detail:os...

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

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535 views

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c# - How can the error 'Client found response content type of 'text/html'.. be interpreted

I'm using C# and connecting to a WebService via an auto-generated C# proxy object. The method I'm calling ... instead of the result I 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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528 views

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c# - How to Implement Repository FindAll() Method?

I have the following Repository Pattern. Requirement is to Find All accounts whose owner's name is Lijo . So, ... switch to another ORM later? See Question&Answers more detail:os...

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

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471 views

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c# - C++ plugin for Unity "EntryPointNotFoundExeption"

I need some serious help here... I'm trying to either get my member functions exported so I can call them ... the first function, CreateCOM(); See Question&Answers more detail:os...

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

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507 views

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c# - Multiple stream in one stream will not passed to client properly

In WCF service I fill Stream according to this question like : result.Stream = new MemoryStream(); BinaryWriter ... occurred(in client side) ? See Question&Answers more detail:os...

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

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619 views

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c# - Cannot Export PrivateKey Before Import Using RSACng and RsaParameter

the next unit test export a privatekey and save it in bytes arrays using the rsa instance then encrypt the "hi ... exception here } Thanks all! See Question&Answers more detail:os...

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

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592 views

1 answer

c# - How countdown get Synchronise with jquery using "jquery.countdown.js" plugin?

Unable to get the correct Ans as i am getting correct result from the Jquery variable "shortly" but when i am ... liftOff() { } </script> See Question&Answers more detail:os...

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

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608 views

1 answer

c# - Indeterminate Progress Bar

Currently, I have a button that when the user clicks on it, it looks for a specific CD-ROM drive that ... many UI components require 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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530 views

1 answer

c# - How can I get touch input in uwp?

I need that if user touch on canvas control with one finger, drawing process must start and if user touch on the ... How can I do this? 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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561 views

1 answer

c# - How can I pass a .NET Bitmap to a native DLL?

Here is what I have: An external DLL, I have written in C. This DLL links to opencv. I don't want to ... in this case. How should I proceed? See Question&Answers more detail:os...

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

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858 views

1 answer

c# - Import data from text file and display in datagrid

I want to import data from a text file and to display it in a data grid. The text file is delimited.The ... How can I complete this 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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691 views

1 answer

c# - Violation of PRIMARY KEY constraint

I am trying to record unique identifiers, so I cannot afford to have a duplicate record of my ID's I am ... new clientID + URI, Thanks John See Question&Answers more detail:os...

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

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1.5k views

1 answer

c# - Draw a polyline on the map using GMap.net

Yep, I am not the first who is asking, but I didn't found an answer (maybe, because my english is bad) ... I can not understand. Thanks anyway. See Question&Answers more detail:os...

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

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