Recent questions tagged .Net

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.net - Errors in Windows Forms controls in designer view

On occasion, I get the following error in design mode of some user controls in Visual Studio 2008: The file ' ... typically have code in them! 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 - VB.NET Detecting Keypress While Minimized

I want to be able to detect when the user presses F10 or Ctrl+F10 outside of my program, and upon ... be accomplished in the simplest 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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.net - Recursive upload to FTP server in C#

I would need to upload a folder (which contains sub folders and files) from one server to another from C# ... Any help here is 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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.net - Efficient method to print the content of an Ienumerable

I have this "result" var which is a IEnumerable type: Dim result = GetCombinations(TextBox1.Text, StringLength) ... .ToString.ToArray) End Sub 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 - Default Values (of C# variables) Issue in LINQ to SQL Update

I have the following code for updating Account table with LINQ to SQL. AccountNumber is the primary key column. ... when UpdateCheck = Never See Question&Answers more detail:os...

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

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549 views

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.net - Automapper Mapping

I'm trying to map an object with property names like so: Property_One -> PropertyOne ... etc Sample_Property ... difference is the underline. 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# strings are reference types - why when i change reference A's value, reference B doesn't change?

If strings in .NET are reference types, in the below code, why doesn't string2 change to "hi" after string1 ... *Output: hello hello hi hello*/ 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 - the breakpoint will not currently be hit no symbols loaded

I want to debug on the customer's machine (Windows Server 2003) to track a problem, and out product is based ... work on the customer's machine? 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 - What is the best mechanism for communicating cross-process in Windows CE?

I need to broadcast an event that can be picked up by any application running on a Windows CE 5 device. ... -only" solutions can be considered. 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 3.5 - C# 3.5 - Connecting named pipe across network

What is the correct way to setup a named pipe in C# across a network? Currently I have two machines, 'client' and ... to "." with the client. 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.FromStream: Parameter not valid

I am trying to create an image from a byte array. The byte array is created by a fingerprint scanner ... how to correct the ArgumentException? 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 4.0 - C# external library (Lua) call problem

I'm new to programming in C# (VS2010) .Net (4.0) and I'm encountering I couldn't solve by myself since ... I would take any help on that 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 core - Are you able to use PtrToStringAuto to decrypt a secure string in Powershell 7 on macOS?

I have had no success in getting the following code snippet to output "Hello World!" in PS7 $string = $(" ... anywhere that a change was made. See Question&Answers more detail:os...

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

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629 views

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.net - c# async without await

In documentation here: http://msdn.microsoft.com/en-us/library/hh191443.aspx it indicates that: If an async ... which would yield no warnings. See Question&Answers more detail:os...

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

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639 views

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.net - Is there a way to get file structure from azure blob?

I'm new to Azure and playing around with blobs in my .Net application. I want to be able to get structure with ... >() select blob).ToList(); See Question&Answers more detail:os...

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

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296 views

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.net - Team Foundation Server: Cloning a Collection's Project into a new Collection

We are looking to create a new Team Foundation Server Collection for the next version of our application development ... need history? 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 - How to compare two dates FORMATS for saving to DB

I want to compare two date formats and return "false" when two formats are not equal. For example, I get two dates ... SQL format (YYYY-MM-DD). See Question&Answers more detail:os...

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

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360 views

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.net - Memory Leak in StringBuilder when using Insert() and Clear()

I need to add some lines to a StringBuilder, where the line added last should be at the beginning of the string ... know if there is a problem. See Question&Answers more detail:os...

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

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338 views

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.net - SandCastle Help File Builder: Search not working

I have just downloaded the latest version of Sancastle Help File Builder 2017.1.28.0. According to the answers ... I make the search working? See Question&Answers more detail:os...

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

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420 views

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.net - vb/c# decimal internal format

What is the internal format of a "decimal" value in VB or C#? I don't know that this matters to ... being baffled by deep dark mysteries. See Question&Answers more detail:os...

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

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767 views

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.net core - Certificate not found when deploying IdentityServer 4 to Azure VM

I'm getting this cert issue while deploying IdentityServer 4 (ASP.NET Core 1.1) to Azure VM (Windows Server ... anyone help on 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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441 views

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.net - EF Code First Delete Batch From IQueryable<T>?

I know this is possible in LINQ-to-SQL, and I've seen bits and pieces that lead me to believe it's possible ... .", ""); return sqlFirstPart; } See Question&Answers more detail:os...

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

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526 views

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.net - The namespace name Infrastructure does not exist in a namespace system.data.entity

I am getting an error message when using infrastructure namespace in system.data.entity namespace See Question&Answers more detail:os...

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

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469 views

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.net - Best way to parse DateTime to SQL server

I was wondering what is the best way to parse a DateTime object to your SQL server. Where you are generating the ... Now.ToString("yyyy/MM/dd") 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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.net - Data Binding and throwing exception in setter

Let's say I have a simple class public class Person { public string Name { get; set; } private int _age; ... : what is a workaround for 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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460 views

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.net - Converting between SQL char and C#

If I want to insert into a database column of type char(2) from C#. What data type would I use ... between SqlDbType.Char and SqlDbType.Varchar See Question&Answers more detail:os...

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

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319 views

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.net - When does garbage collection get triggered in C#?

I read many things about garbage collection like it's generation, scope etc but want to know when does the ... helpful if possible. 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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401 views

1 answer

.net - Silverlight: BitmapImage from stream throws exception (Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)))

I need to dynamically load many (sometimes hundreds) of thumbnail images. For performance reasons I need to do this ... do to fix the problem. See Question&Answers more detail:os...

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

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