Recent questions tagged .NET

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.net - How does one add a LinkedList<T> to a LinkedList<T> in C#?

One would think the simple code llist1.Last.Next = llist2.First; llist2.First.Previous = llist1.Last; would work ... of linked lists???? See Question&Answers more detail:os...

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

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.net - System.DirectoryServices.DirectorySearcher causing "Arithmetic operation resulted in overflow" errors

I'm getting the following intermittent errors related to querying AD using DirectorySearcher.FindOne() or FindAll() ... be much appreciated. See Question&Answers more detail:os...

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

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.net - Automapper expression must resolve to top-level member

I am using automapper to map source and destination objects. While I map them I get the below error. Expression ... please help me in this? See Question&Answers more detail:os...

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

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.net - How do you use XMLSerialize for Enum typed properties in c#?

I have a simple enum: enum simple { one, two, three }; I also have a class that has a property of type ... and if so, with which data type? See Question&Answers more detail:os...

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

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.net - Ignore field order in DataContractSerializer

When deserializing, DataContractSerializer requires not only that an element name matches, but also that ... with DataContractSerializer See Question&Answers more detail:os...

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

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.net - how to load a file into memory stream

I have a filename pointing to a text file, including its path, as a string. Now I'd like to load ... filename as string="C:UsersDesktopabc.csv" See Question&Answers more detail:os...

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

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.net - string is immutable and stringbuilder is mutable

can any one explain with examples Related Discussion: Most efficient way to concatenate strings? 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

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.net - C# Transpose() method to transpose rows and columns in excel sheet

I want to transpose rows and columns of an excel sheet and save it. I want to use C# transpose() method ... call transpose() method? 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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.net - ListBox mouse over background color

The problem I have is the MouseOver trigger to color the background fails on the selected row. For any non-selected ... = lorums; } } } See Question&Answers more detail:os...

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

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.net - how to determine USB Flash drive manufacturer?

I need my program to work only with certain USB Flash drives (from a single manufacturer) and ignore all other USB ... the USB drive is on? See Question&Answers more detail:os...

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

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473 views

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.net - Does log4net support including the call stack in a log message

I wish to include the call stack (e.g. the methods that called me) in a log4net message. Is there a standard ... need to do it on some errors) See Question&Answers more detail:os...

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

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.net - Sending HTTP POST request from SQL Server 2012 or SQL CLR C#

Is there a generally accepted standard way for sending HTTP requests from SQL Server 2012? What I am trying to do is ... // handle 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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262 views

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.net - How to use C# to add a column for a table of sql server?

How to use C# to add a column for a table of sql server? For example, I want to execute the following sql ... [ProductId] int default 0 NOT NULL 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

1 answer

.net - Detect Arrow Key - KeyDown for the whole window

I have a WinForms Form (C#/.Net) and it contains a PictureBox, MenuStrip, Panel and two Button controls. I ... keys with buttons on the form? See Question&Answers more detail:os...

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

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248 views

1 answer

.net - calling c function from C#

as a simple example, i have a C function which receives an int,increment it and return incremented value.on ... back from c#?Thanks in advance See Question&Answers more detail:os...

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

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245 views

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.net - What's the difference between <%# %> and <%= %>?

Pardon my ASP ignorance, but what's the difference? See Question&Answers more detail:os...

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

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356 views

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.net - How to use SSL3 instead of TLS in a particular HttpWebRequest?

My application has to talk to different hosts over https, and the default setting of ServicePointManager. ... the whole application. See Question&Answers more detail:os...

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

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389 views

1 answer

.net - How to extract ZIP file in C#

How can I extract a ZIP file using C#? See Question&Answers more detail:os...

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

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308 views

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.net - What is the advantage of using portable class libraries instead of using "Add as Link"?

Is anybody explain to me what is the advantage of using portable class libraries instead of using "Add as Link"? 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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294 views

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.net - XPath to get the element with the highest ID

XML Source: <documents> <document> <id>3</id> </document> <document> <id>7</id> </document> <document> < ... order by id descending to get it? See Question&Answers more detail:os...

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

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337 views

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.net - How can evaluate an expression stored as a string in F#

I want to do something sort of like this: let x = 5 let y = 10 let expr = Console.ReadLine() expr Where ... for any help you may provide! Adam See Question&Answers more detail:os...

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

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514 views

1 answer

.net - SEHException not caught by Try/Catch

In a background thread, my application regularly examines a network folder (UNC Path) for application updates. It reads ... server on a VPN.) See Question&Answers more detail:os...

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

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518 views

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.net - wpf bind to indexer

<TextBlock Text="{Binding Path=[0]} /> or <TextBlock Text="{Binding Path=[myKey]} /> works fine. But is ... Path=[{Binding Column.Index}]} /> See Question&Answers more detail:os...

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

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243 views

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.net - Does C# inline properties?

Does C# inline access to properties? I'm aware of the 32 byte (instruction?) limit on the JIT for inlining ... or just pure method calls? See Question&Answers more detail:os...

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

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250 views

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.net - C#: is calling an event handler explicitly really "a good thing to do"?

This question is related to C#, but may be applicable to other languages as well. I have a reservation against ... usage such as the above? See Question&Answers more detail:os...

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

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482 views

1 answer

.net - Hide Command Window in C# Application

Before you say its a duplicate question, please let me explain (as I've read all similar threads). My application ... arg; return retVal; } } See Question&Answers more detail:os...

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

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472 views

1 answer

.net - How to avoid thousands of needless ListView.SelectedIndexChanged events?

If a user select all items in a .NET 2.0 ListView, the ListView will fire a SelectedIndexChanged event for every ... really one event will do? See Question&Answers more detail:os...

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

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352 views

1 answer

.net - Dynamically reconfigure Log4Net

I'm looking for tips on the best way to reconfigure the Log4Net logging level dynamically in my ASP.NET apps. ... NET Web and Web Service apps! See Question&Answers more detail:os...

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

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