Recent questions tagged C#

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c# - How to create an app for Windows XP using Visual Studio Express 2012 for Windows 8

I have very little knowledge on apps for Desktop. I created a Simple app for Windows 8 using the free Visual ... Visual Studio Express 2012) ? 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# - After disposing async socket (.Net) callbacks still get called

I feel, that I am misunderstanding something about async sockets in .Net. The situation is as follows : I ... connections should look like ? 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# - How get different size windows in UWP Multiple Views?

In the following code I can not tinker with the ViewSizePreference options and get the child to be smaller than the ... .UseMinimum); }); } 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# - how to detect bot Idleness on Bot Framework

I'm using bot framework V3 with C#. I need to identify when my bot is idle for more than 5 minutes. I' ... could share please? Thx 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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c# - simple solution for characters frequency in string object

The task what I'm trying to do is about showing up the frequency of every single characters from the string ... / changing char into int } See Question&Answers more detail:os...

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

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645 views

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c# - Duplicate a window in all screens

In a multi-monitor environment, how can I display a form on all the screens? Is it possible to get handles ... clone a window on all displays. 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# - Parallel.For() with Interlocked.CompareExchange(): poorer performance and slightly different results to serial version

I experimented with calculating the mean of a list using Parallel.For(). I decided against it as it is ... case. Your thoughts are 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# - How to deserialize json property to class property?

My JSON file [ { "amount":"1000000.0", "check_number":1, "payment_number":5, "attachments":[ { ... by using newtonsoft JSON deserialization. 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# - Silverlight - Binding with ObservableCollections

This is no doubt a newbish question, but I have looked for an answer to no avail. My setup is simple: I ... to one of its child properties. 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# - WebClient - wait until file has downloaded

I'm developing a function to return a collection, generated from an xml file. Initially, I was using a local ... a good solution. Thanks, Josh 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# - Isolated Storage & Saving Multiple Objects

I wish to know what the best way is to create Saving and Loading logic so that I can save and load x items ... use settings than a Iso 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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c# - How to filter datagridview across field name which has space character?

I have a datagridview in my winform. I fill it with sql query. I call the column names like that: This is my ... i do that? Thx 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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c# - Background STA thread with custom window style using window chrome throwing cross threaded access exception

This one is bit bizarre. From a main window in wpf (on a button click), I am creating another STA Thread where ... > </Style.Triggers> </Style> See Question&Answers more detail:os...

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

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565 views

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c# - simulate cpu usage in mono for Android

I need to write an application in mono for android(Android+c#.net) to simulate steady cpu usage for certain ... be helpful. 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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614 views

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c# - Use BLL functions without reference the DAL in my API

I have 3 project (C#) API, BLL and DAL. The DAL reference the DAL and the API reference the BLL. In my ... do it without use my DAL project ? See Question&Answers more detail:os...

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

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752 views

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c# - Invalid attempt to call Read when reader is closed?

I'm running a DbDataReader on a query to remove items from a dropdownlist if they are already attached to a specific ... } Ddldr.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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c# - Add PdfPCell to Paragraph

I'm trying to add a TextField (acrofield) in the middle of a Paragraph sentence using iTextSharp. An example ... need? Thanks for the 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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729 views

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c# - Cropping images sometimes a wrong area

I'm using jQuery-cropbox to crop images on a web application. Everything is running smoothly most of the time, but ... : 150 What is happening ? See Question&Answers more detail:os...

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

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631 views

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c# - there is a strange behaviour double parse string input?

i try to read some excel file and converting some string column to save in db. BUT i face to face some ... WriteLine(result.ToString()); } } 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

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c# - Using LINQ to loop through inner class properties in outer class collection

Leveraging off the Q&As dealing with looping through an object's properties (https://stackoverflow.com/questions/15586123/loop ... get; set; } } See Question&Answers more detail:os...

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

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638 views

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c# - How can I prevent garbage collection from being called when calling ShowDialog on a xaml window?

I have a application that's using a lot of memory, but for now I cannot change this fact. My ... MemoryPressure.ProcessAdd -> GC.Collect See Question&Answers more detail:os...

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

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790 views

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c# - Microsoft.Office.Interop.Excel - *.csv file opening

I create *.csv file, but when I open it using Microsoft.Office.Interop.Excel, it's formatting is wrong, ... ? Thank you for your suggestions. See Question&Answers more detail:os...

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

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500 views

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c# - How to allow for editable .Net generated config files with MSIX?

I am trying to help port a .Net service to a more modern .Net version (possibly Core) and use the ... I just use AppData.CurrentDomain.SetData? 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# - unable to read another application's caption

Jumping of how i will find windows handle in my main program... in C# I run notepad.exe then type something ... the child's caption has value. 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# - Referencing nested control

I have two gridviews - one nested in the other - and I am trying to set the datasource of the child grid ... show how I can accomplish 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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554 views

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c# - Image size got bigger when trying to reduce its size

I am trying to resize a pic of format jpg, reduce it's resolution in order for it to be smaller when I ... as I expected. 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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640 views

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c# - Get Text from Datagrid cell or Row

Hello i am using the data grid to show an observable collection in WPF. Now how can i get the selected row ... from the selected cell or row? 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

1 answer

c# - Handle backslash in the connection string

I have a following connection string in app.config <add name="myDBConnectionString" connectionString="Data Source= ... connection. 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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