Recent questions tagged C#

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c# - Dynamically set the table name in LINQ query

I am working on data warehouse application and we have 4 tables where schema is identical. Only difference between ... options do i have ? See Question&Answers more detail:os...

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

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503 views

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c# - How to bind CheckBoxFor

I have a collection of "permissions". Each permission would have three properties: Id, Name, and HasPermission. ... the value. Please advise. See Question&Answers more detail:os...

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

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481 views

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c# - Parsing non-standard JSON

Anyone know what type of JSON (if even that!) the following code is? I'm retrieving this from the HTML of a ... to an object in C# or java. See Question&Answers more detail:os...

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

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826 views

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c# - Can you launch a process on top of the topmost window? (csharp wpf)

Can you launch a process on top of the topmost window? (csharp wpf) I have the following, but the current window ... , 0, 0, SWP_NOSIZE_); } See Question&Answers more detail:os...

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

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591 views

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c# - Get Last non Empty Cell of Excel Column Programatically

I have excel sheets that always look like below A | B | C | | | | something here maybe 1 | x | k 2 | ... 1 for 4 it works likes a charm. See Question&Answers more detail:os...

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

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876 views

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c# - Wrong path returned by Environment.GetFolderPath(Environment.SpecialFolder.ApplicationFolder) under IIS6 WebService

On my test machine running (Windows XP, IIS5.1) the following code executed within a C# .NET WebService (.SVC) ... .NET?? Thanks. Tom Deloford See Question&Answers more detail:os...

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

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431 views

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c# - ASP.NET Modifying Control Tree Dynamically

I am trying to drop and add controls dynamically to my control tree. For example: Under a specific condition, I ... . Thanks once again, -Brian See Question&Answers more detail:os...

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

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846 views

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c# - How can I serialize a Newtonsoft JToken to JSON using System.Text.Json?

In the process of upgrading to ASP.NET Core 5, we have encountered a situation where we need to serialize ... JsonDocument simply to return 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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644 views

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c# - Getting window titles from a windows service

My company is using an unfortunate third party product that requires a user to be left logged on to an XP workstation ... I'm pretty much lost. See Question&Answers more detail:os...

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

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811 views

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c# - Add date parameter to oracle query

What I'm trying to do is to execute the query between two dates, and the dates would come from a parameter. ... and it works just fine. 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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553 views

1 answer

c# - Logarithmic Vertical and Horizontal Axes lines in MS Chart Control

The image presents a logarithmic graph. I want to create a similar graph using MS Chart control. I know there ... similar to the graph 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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670 views

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c# - Deserialize Dictionary with JSON.NET

I am using Newtonsoft.Json with version 4.0.8 and trying to use it with Web API. So I wanted to ... so are thery any further 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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1.0k views

1 answer

c# - String was not recognized as a valid DateTime

I am converting the uk date format string to US format to save this into database but it throw me error "String ... to us date format. 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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1.3k views

1 answer

c# - Exception from HRESULT: 0x800A03EC Error while saving Excel file

I am saving data on button's click event and below is code: using Excel = Microsoft.Office.Interop.Excel; ... Error while saving Excel 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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866 views

1 answer

c# - Reverse order of ObservableCollection

I have ObservableCollection that contains a custom object. Normally the items get added at the end of the list ... better way of handling 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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625 views

1 answer

c# - AJAX progress bar dispaying loading progress percentage for page load

How do you use a progressbar to show the loading percentage for a page? ...(similar to how they show in flash) 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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905 views

1 answer

c# - Bookmark to specific page using iTextSharp 4.1.6

I want to add a bookmark pointing to a specific page within a document. Adding bookmarks from other PDF files I' ... page? Or some other method? See Question&Answers more detail:os...

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

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567 views

1 answer

c# - What is the impact of a FileSystemWatcher on a hard drive?

I've used FileSystemWatcher in the past. However, I am hoping someone can explain how it actually is working ... keep the drive from sleeping. See Question&Answers more detail:os...

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

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659 views

1 answer

c# - Microsoft.Office.Interop.Excel or EPPlus for read a huge (or not) Excel file

I wrote a code to read a column from a Excel file. I use Microsoft.Office.Interop.Excel on this, first read ... and this is my first 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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644 views

1 answer

c# - How to sort a DataView in a case-insensitive manner?

I have a DataTable. I'd like to sort its default view by a column name 'city'. I'd like the ... MyReport.DataSource = dt.DefaultView; 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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494 views

1 answer

c# - Firing event on application close

I have a winforms application that uses a network socket and I want to close the socket when the application ... when the application is closed? See Question&Answers more detail:os...

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

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836 views

1 answer

c# - How do I insert a hyperlink to another page with iTextSharp in an existing PDF?

I would like to add a link to an existing pdf that jumps to a coordinate on another page. I am able to ... a link that is clickable? 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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449 views

1 answer

c# - Send partial view model and Update partial view with jQuery has issues

I use partial view for small model inside other view model. so i send changes of it by grabbing model data ... confusing. Can anyone help me. See Question&Answers more detail:os...

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

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824 views

1 answer

c# - Possible to remove and add a reference to csproj programmatically via a batch file?

I am writing a short batch file to prepare a control library DLL with Examples project for deployment ... removing references using Powershell See Question&Answers more detail:os...

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

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484 views

1 answer

c# - Fully-qualified property name

I'm trying to prevent System.NullReferenceException. I have a Company, which has a collection of Employees. Each ... the answer is no :) See Question&Answers more detail:os...

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

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720 views

1 answer

c# - Converting Byte Array To Int24

I am reading a file with BinaryReader. There are data I want to pull at the address 0x37E but it is int24. ... am working on STFS package stuff. See Question&Answers more detail:os...

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

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417 views

1 answer

c# - Creating Multiple Form GUI

I am developing a very basic application Windows Form Application in c# that inserts values ... AddressEntry TransactionSearch AddressSearch See Question&Answers more detail:os...

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

0 votes

625 views

1 answer

c# - Where should I plug in my custom DefaultContractResolver JSON.NET?

I have a WebAPI 2.0 project in ASP.Net in which I implemented a custom DefaultContractResolver so that I can control ... the right way to go? See Question&Answers more detail:os...

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

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