Recent questions tagged C#

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c# - Updating a live tile in its proper size?

When updating live tiles in Windows 8, I don't know how to update the tile in both the "large" and "small ... large one won't be disappointed? 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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c# - Xml Sequence deserialization with RestSharp

I have this xml feed from an API with a XML sequence. <?xml version="1.0" encoding="UTF-8" ?> <Function> < ... Status { get; set; } } 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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544 views

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c# - Why are System.Windows.Forms.Control not marked as serializable?

I am not able to deep copy UserControls because they are not marked as serializable. What is the reason behind this design? See Question&Answers more detail:os...

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

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761 views

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c# - How can I make a transparent tabPage?

How can I make a transparent tabPage? I found solutions like set both Form's BackColor and TransparencyKey to a color ... . How can I do that? 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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c# - How to play file from Library by MediaElement?

I can play files only from application storage, but, I have to play file from Library or another source. The I ... . What I am doing wrong? See Question&Answers more detail:os...

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

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556 views

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c# - find a control in current page

Hello, my problem is that I can't seem to find the control from current page. My page class has the ... same page from an other control? See Question&Answers more detail:os...

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

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586 views

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c# - ComboBox.SelectedValue is null in the Form's constructor

I generated a very simple code snippet: public partial class Form1 : Form { public Form1() { InitializeComponent() ... it in Form's Constructor. See Question&Answers more detail:os...

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

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563 views

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c# - random string generation - two generated one after another give same results

I have a simple piece of code: public string GenerateRandomString() { string randomString = string.Empty; Random r ... know why is it 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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c# - WIA through web browser - ASP.NET

I am wondering what would be the best/preferred way to write a scanning app that lives in a web browser. The ... ? What else is out there? See Question&Answers more detail:os...

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

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648 views

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c# - Console.ReadLine add 48 to int

I get 48 when I input 0 to a ReadLine(). Is this a bug? class Program { static void Main(string[] args) { ... ", name, age.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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579 views

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c# - Handling commas within quotes when exporting a CSV file C#4.Any suggestions

Hi all I am reading a csv file and I have encounted a problem when there is a comma inside the ... thirdy party libraries. Any 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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680 views

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c# - Why isn't 'SelectedIndex' defined on this ListView?

I have created a ListView called listUsers, but for some reason SelectedIndex isn't defined. And I have set the ... 7 32-bit VS2010 Framework 4 See Question&Answers more detail:os...

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

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515 views

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c# - Cannot create UsbDevice from DeviceInformation.Id

I'm trying to connect to a device (SecuGen Hamster Pro 20) through Windows.Devices.Usb APIs using Universal Windows ... what am I missing here? See Question&Answers more detail:os...

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

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627 views

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c# - Get data from DataGridView to Chart

I need to get data from a single DataGridView into 3 distinct Charts, each column to a chart. This is the ... Any help will 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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603 views

1 answer

c# - Getting Unathorized when trying to get a secret from Azure key Vault

I'm using Microsoft.Azure.keyVault trying to get a secret from a key vault in Azure. I've registered an ... the access token to Azure AD. See Question&Answers more detail:os...

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

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523 views

1 answer

c# - Create Form.MinimumClientSize Property

The Windows Forms have Size and ClientSize Properties. Windows Forms also have a MinimumSize property that lets you ... Size to be maintained. See Question&Answers more detail:os...

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

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618 views

1 answer

c# - How to use Enter key as Tab key in DataGridView

I have a DataGridView with 5 columns. If press Enter key in the first column, focus moves to next row. I want to ... column. How can I do that? See Question&Answers more detail:os...

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

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515 views

1 answer

c# - Accessing properties of anonymous/dynamic types across dll boundaries gives RuntimeBinderException

In the following sample, x.propertyX works fine, whereas y.propertyX gives me a Microsoft.CSharp.RuntimeBinder. ... that anonymous types offer. 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 to protect SqlLocalDB database file with custom password

I have designed a software using SqlLocalDb v11.0 instance. The database will be on user's machine (.mdf file). ... any other can not open it? See Question&Answers more detail:os...

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

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552 views

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c# - The query results cannot be enumerated more than once

Consider the following methods. I am getting exception as asked , while repeater binding. Bindrepeater: private void ... l.IsActive select l); See Question&Answers more detail:os...

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

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621 views

1 answer

c# - DataGridView override top,left header cell click (select all)

I want to override the behavior of a mouse click in the DataGridView header/column cell (top, left cell). That cell ... ? Am I just being blind? See Question&Answers more detail:os...

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

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430 views

1 answer

c# - How to send an email?

I have an datatable like this. I have an Excel sheet like this. Now I am reading the data from that and ... Any help would be great. 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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601 views

1 answer

c# - CORS using asp.net web api 2 odata and breeze

I have problem consuming my OData with Breeze. My api is hosted on another server, and I'm using asp.net web ... it isn't defined in my entities See Question&Answers more detail:os...

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

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449 views

1 answer

c# - Index out of bounds when create new thread with parameters?

I'm working on my project about Bakery Algorithm but i don't have any demo of that Algorithm in C# . Because of that ... = "C"; } } } } See Question&Answers more detail:os...

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

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871 views

1 answer

c# - Semi Transparent PNG as Splash Screen

I'm trying to make a Splash Screen 4 an Win application. my setup: form border style is set to none. ... splash screen of ADOBE PHOTOSHOP CS5 See Question&Answers more detail:os...

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

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733 views

1 answer

c# - Serializing an ArrayList with XmlSerializer

? am working on a small c# project at visual studio 2010 and ? was trying to serialize an arraylist which has ... can anyone help me put 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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584 views

1 answer

c# - How to change default selection color of a ListView?

I'm trying to change the default (blue) color of selection bar in ListView. I'm refusing to use ... code correctly for a ListView? See Question&Answers more detail:os...

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

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556 views

1 answer

c# - How do I cancel/exit or escape from PromptDialog.Choice in Bot Framework?

The PromptDialog.Choice in the Bot Framework display the choice list which is working well. However, I would like to ... How do we do that? See Question&Answers more detail:os...

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

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