Recent questions tagged C#

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c# - Using "nested" transactions in oracle

I have troubles with transactions in Oracle. I have some procedures like this: create or replace procedure myschema. ... 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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c# - LinqToXml does not handle nillable elements as expected

According to W3C standards, if you have a nillable element with a nil value, you are supposed to format it ... of nillable elements? 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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c# - BackgroundWorker thread to Update WinForms UI

I am trying to update a label from a BackgroundWorker thread that calls a method from another class outside the ... backed myself into a corner. 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# - AutoMapper recursive

I would like to make a deep copy of a complex object tree using AutoMapper. The problem is that for each ... ; Any help appreciated, 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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c# - How can I get a node by id in XML?

I am creating a language translation using XML by id XML: <?xml version="1.0" encoding="UTF-8"?> <root ... can I get the content Word1_French? 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# - Using Global Query Filters for all entities

I have recently found global filters, which is great because I have been tasked with implementing soft deletes in ... filter for models I add? 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# 3.0 - How to disable gridlines in Excel using open xml C#?

I want to disable GridLines in excel and put custom borders to excel cells using open xml in C# I have tried with ... .Save(); xl.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# - Dynamic object property name begins with number

I have a dynamic object whose property begins with number. How to access this property? For inst: myResult. ... helps would be very 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# - Import Access data into SQL Server CE (.mdb to .sdf)

I've found a few articles & discussions on how to import data from Access to SQL Server or SQL Server Express ... c#.) Any suggestions? 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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c# - Delegates in objective c

First I should tell you that ive little knowledge of Objective C or C#.So when one of my collegues asked me whether ... .Where can i find info?? 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# - Selected item in list box is null

I have few items in the listbox. When I select an item, I store it in a string for further use, but when I ... I select an item in list box. 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 access Visibility property of the ListBoxItems

In my WPF program I have a ListBox control: <ListBox x:Name="mailsListBox" SelectionChanged=" ... .Visibility = Visible; 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# - Cancel call to 'HttpClient.SendAsync()'

Is it possible to cancel a call to HttpClient.SendAsync()? I'm sending some data like this: var ... about actually canceling a request? See Question&Answers more detail:os...

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

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626 views

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c# - Get parameters out of text file

I have a C# asp.net page that has to get username/password info from a text file. Could someone please tell ... Thank you for your help, Steve See Question&Answers more detail:os...

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

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839 views

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c# - Can you get Method name that threw Exception?

Is there a C# method that returns to the upper-most caller, the Name of MY Method that threw an exception, ... a more elegant solution? 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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835 views

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c# - Using FileStream.Seek

I am trying to work with FileStream.Seek to quickly jump to a line and read it. However, I am not getting ... name="lineNoArray"></param> #region Seek4 public void Seek4(List&l...

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

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499 views

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c# - What is the minimum number of bytes that will cause Socket.Receive to return?

We are using a application protocol which specifies the length indicator of the message in the first 4 bytes. ... Socket behind an interface. 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 satisfy CA2202 (Do not dispose objects multiple times)

This question may seem to you duplicate of CA2202, how to solve this case which has an accepted answer. ... = Convert.ToBase64String(result); 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# - opening excel error: System.Runtime.InteropServices.COMException (0x80080005): Retrieving the COM class factory for component with CLSID

I have a C# .net web app. I want a user to click a button on a webpage, the server to open an excel ... Response.Write(ex.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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797 views

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c# - How to integrate barcode scanner into an ASP.NET Web application?

How to integrate barcode scanner into an ASP.NET Web application? Any open source library for doing 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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565 views

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c# - Adding bound combobox to datagridview

The scenario is almost the same as http://arsalantamiz.blogspot.com/2008/09/binding-datagridview-combobox-column.html. but ... ) - 1, colType); See Question&Answers more detail:os...

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

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658 views

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c# - Editing Log4Net messages before they reach the appenders

I have a security tool that sends users their new password through email. The production email module (that I ... and then remove the object. See Question&Answers more detail:os...

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

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764 views

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c# - Hangfire server unable to pick job in case of strategy design pattern

I am having following application : 1) Mvc app : Hangfire client from where i will just enqueue jobs and ... s/bfjr58y6azgmm3w/HFDemo.zip?dl=0 See Question&Answers more detail:os...

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

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646 views

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c# - Get current frame Texture from VideoPlayer

It is stated in this post Using new Unity VideoPlayer and VideoClip API to play video that one can "retrieve texture for ... total) , 0); } } See Question&Answers more detail:os...

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

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651 views

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c# - Checking referential integrity rule violation before deletion

Before deleting a row from a table, is there any simple way to check that it would violate a referential integrity ... 5) using SQL Server 2005. See Question&Answers more detail:os...

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

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692 views

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c# - The name XXXX does not exist in the current context

I have the following code: public Form1() { InitializeComponent(); string strRadio = Utils.ReadFile(strTemp + @" ... how would this be done? See Question&Answers more detail:os...

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

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539 views

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c# - OracleException (0x80004005) When Connecting to Oracle Database

I've developed a simple C#, .net 4.0 website which I'd like to deploy onto an IIS test server. I ... provided, and the helpful comments below. 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# - How can i use Profilebase class?

i try to use asp.net profile, i try to give inheritance with ProfileBase public class dort_islem : ProfileBase ... class? Regards.... See Question&Answers more detail:os...

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

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