Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
0 answers
License Manager
This code is a license manager that allows a user to activate a license key for a software product. The user can select an activation request file, which contains their username and password. The code will then generate a license key using the provided…
Developer technologies | C#
asked 2023-05-06T11:06:36.0466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(83.2, 82%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Apex6554
60
Reputation points
answered 2026-01-21T17:27:32.83+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 3%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOC%3C/text%3E%3C/svg%3E)
Olivier Carl
0
Reputation points
2 answers
One of the answers was accepted by the question author.
How to Set Up a Computer-Specific Term Licensing System Structure with C#?
Hello, I am developing a software with C# and I want to license users for 1, 2 or 3 years specific to their computers. I want to control the licensing period information by associating it with an ID specific to the user computer and using an encrypted…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2024-11-21T11:35:27.8966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(112.00000000000001, 17%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFU%3C/text%3E%3C/svg%3E)
fatih uyanık
245
Reputation points
answered 2026-01-21T17:00:41.6833333+00:00
Olivier Carl
0
Reputation points
0 answers
Function Extension
Hi Michel, TryCreateForInput method assume that the gisInputFilePath is a file: a single file or an archive file. I need to handle also case for folder with extension .gdb. What is the best practice to do it ? Thanks in advance, ///…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-21T16:27:36.3966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 91%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOB%3C/text%3E%3C/svg%3E)
omri ben zaken
0
Reputation points
answered 2026-01-21T16:27:50.6333333+00:00
Q&A Assist
1 answer
The process cannot access the file because it is being used by another process
Hi Michel, I run console app in .NET 9 that has reference to netstandard2.1 class library. The console run in sequence series of commands (input of .KMZ file) in class library. The first running is passed bot for all others I got" "The…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-21T16:17:12.0933333+00:00
omri ben zaken
0
Reputation points
edited the question 2026-01-21T16:20:18.44+00:00
omri ben zaken
0
Reputation points
2 answers
GisConverter -ORG Format Double Conversion
Current: We used GIS Converter to our "CDR" system, which detects viruses. We have already implemented the ORG Format . ORG Format - convert from the source format to itself. Problem: When we convert from source format to target format and…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-09T10:29:53.3666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(108.80000000000001, 88%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED%3C/text%3E%3C/svg%3E)
Dani_S
5,581
Reputation points
edited a comment 2026-01-21T13:15:12.7933333+00:00
omri ben zaken
0
Reputation points
0 answers
How do I access Microsoft programming documentation
I used to be able to access detailed information on Microsoft MSDN. Now, when I try the same approach, it supplies answers like "How to create a new WPF App" and "How to create a database in ,Net framework Apps". My question had…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-20T18:39:48.68+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(147.20000000000002, 95%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPL%3C/text%3E%3C/svg%3E)
Peter Lambert
0
Reputation points
edited the question 2026-01-21T11:26:35.79+00:00
Gérard Oomens
116.3K
Reputation points
Volunteer Moderator
4 answers
How to secure both Blazer server and api ?
Hello, I need an advice. I'd like to secure a blazor server app with individual user account. This functionality is embedded with the basic setup, and use cookies. But I also need to protect my web api with the same way. I know about the JWT, but I…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-07T10:13:29.1533333+00:00
Laurent Guigon
331
Reputation points
commented 2026-01-21T11:05:26.54+00:00
AgaveJoe
30,646
Reputation points
1 answer
One of the answers was accepted by the question author.
LINQ returns System.Data.SqlTypes.SqlNullValueException. Why?
I'm learning LINQ, and trying to fetch data from a SQL Server database. All I'm trying to do is fetch data from one datetime field that is defined as nullable, where I know the field value is set to null. Here's my statement: var query = from cm in…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-14T20:25:52.73+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(22.400000000000002, 77%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECF%3C/text%3E%3C/svg%3E)
Corey Fleig
285
Reputation points
commented 2026-01-21T02:03:04.11+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 83%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EML%3C/text%3E%3C/svg%3E)
Michael Le (WICLOUD CORPORATION)
10,475
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
About a rare issue in a WPF‑based login screen where the Enter key appears to be continuously pressed
I am creating a login screen for an application using WPF. The login screen contains text boxes for entering a login ID and password. When the Enter key is pressed while there is input in either the login ID or password text box, the login button is…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(243.2, 76%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EN%3C/text%3E%3C/svg%3E)
5 answers
Issue to scan the file
Hi, It is not scanning all of the lines of the file using the codes below on VS 2026. Anything wrong? try { string[] fileEntries = Directory.GetFiles(directoryPath); foreach (string fileName in fileEntries) …
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-10T07:57:47.4233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(236.8, 43%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EP%3C/text%3E%3C/svg%3E)
Peter_1985
3,026
Reputation points
commented 2026-01-20T16:56:45.7566667+00:00
AgaveJoe
30,646
Reputation points
1 answer
CollectionView display messages backwards
I'm trying to create a replicate of WhatsApp in .NET 10 MAUI. I have the list of messages: the newest one at the bottom of the list and the old at the top. For this implementation, I use a…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-20T10:05:29.63+00:00
Enrico Rossini
236
Reputation points
answered 2026-01-20T10:17:36.3566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(112.00000000000001, 21%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGH%3C/text%3E%3C/svg%3E)
Gade Harika (INFOSYS LIMITED)
2,415
Reputation points Microsoft External Staff
1 answer
How do I get the bins from a purchase order line item from the Business Central APIs?
I have a C# app that calls Business Central APIs. I can use https://api.businesscentral.dynamics.com/v2.0/{{tenantId}}/Sandbox/api/v2.0/companies({{company_id}})/purchaseOrders({{PO}})/purchaseOrderLines?$expand=location to get more data about the…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2025-12-04T21:24:59.9433333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 19%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETL%3C/text%3E%3C/svg%3E)
Trevor Leon
25
Reputation points
commented 2026-01-20T09:32:14.2333333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 86%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
Harry Vo (WICLOUD CORPORATION)
4,665
Reputation points Microsoft External Staff
Moderator
0 answers
Flex Consumption Option Set binding not working
In this instance its causing issues where our Service Bus Triggers are no longer being hit. Removing the __ reference and referencing an app setting that does not have a prefix works fine. [Function(nameof(ProcessInputtedMessage))] public async…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2025-05-20T10:55:41.2+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(44.800000000000004, 64%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJG%3C/text%3E%3C/svg%3E)
Josh Grew
0
Reputation points
commented 2026-01-20T09:30:18.07+00:00
Harry Vo (WICLOUD CORPORATION)
4,665
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Visual Studio 2022 Git: Cannot fetch from remote repository (Git Bash works fine), How to fix this?
I am experiencing an issue where Visual Studio 2022 cannot fetch from a Git remote repository, but Git Bash works correctly using the same repository and credentials. Visual Studio shows: Failed to fetch from the remote repository. See the Output window…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-20T06:30:52.7966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 14.000000000000002%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETL%3C/text%3E%3C/svg%3E)
Thejaswini L
20
Reputation points
answered 2026-01-20T07:34:06.26+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(32, 9%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Adiba Khan
1,840
Reputation points Microsoft External Staff
1 answer
One of the answers was accepted by the question author.
Issue to show the error
Hi, For the code like the project below https://1drv.ms/u/c/17ec75244bac022f/IQDe24zzJVnTS65tU-RbGuKoAaMtx1mPtvJWgmXlcYO-HdE?e=8NpGwO is not able to show the error for this file. Any…
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-12T03:24:30.1466667+00:00
Peter_1985
3,026
Reputation points
commented 2026-01-19T11:38:47.9133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(6.4, 49%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESA%3C/text%3E%3C/svg%3E)
Surya Amrutha Vaishnavi Lanka (INFOSYS LIMITED)
1,725
Reputation points Microsoft External Staff
2 answers
How to generate PDF with Multilevel list with hierarchical numbering in C# application
Hi, I am new to C#, I am creating a small application, and I need to generate some PDF reports from C# application programmatically. Most of the reports will be Word-like multilevel lists with hierarchical numbering (these numbers have to be calculated…
Developer technologies | .NET | Other
Developer technologies | .NET | Other
Microsoft Technologies based on the .NET software framework. Miscellaneous topics that do not fit into specific categories.
4,154 questions
Developer technologies | ASP.NET | Other
Developer technologies | ASP.NET | Other
A set of technologies in .NET for building web applications and web services. Miscellaneous topics that do not fit into specific categories.
3,643 questions
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2022-03-15T23:20:55.49+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 11%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPT%3C/text%3E%3C/svg%3E)
Peter The Batman
1
Reputation point
answered 2026-01-17T05:51:40.6266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 77%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAT%3C/text%3E%3C/svg%3E)
Anna Tarta
0
Reputation points
6 answers
Recommend a free PDF developer's library for C#
I'm using VS 2017 CE, C#, and WinForms on a non-commercial application that adds and deletes pages from PDFs. The added pages are created with minimal text and no drawing or graphics. I've been using iText7, and it's great, but it has far more power…
Developer technologies | Windows Forms
Developer technologies | Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,970 questions
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2020-12-25T19:45:22.387+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
answered 2026-01-17T05:50:08.5766667+00:00
Anna Tarta
0
Reputation points
3 answers
Can anyone recomend the easiest tool to generate pdfs in c#?
I am trying to generate a PDF from C# Library for my project. Any tools you guys can suggest would be great, either Free or Paid. I am open to any options. Thank you!
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2022-03-08T08:09:05.887+00:00
Anonymous
commented 2026-01-17T05:12:20.16+00:00
Anna Tarta
0
Reputation points
2 answers
Cannot view forms in design mode after rebuilding the project
ERROR: Designer load encountered an error. Please ensure that the project can be built successfully. Tried ---> Built , Clean, rebuild Result -> Still cannot view the form in design mode. Plus, already rebuilt this prokect today ... #annoyed ! …
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2026-01-07T11:54:21.7833333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 55.00000000000001%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPC%3C/text%3E%3C/svg%3E)
Pieter Claassens
40
Reputation points
commented 2026-01-16T03:10:00.38+00:00
Gade Harika (INFOSYS LIMITED)
2,415
Reputation points Microsoft External Staff
3 answers
Refused to apply style from <URL> because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled
HI Team, I'm trying to to bundling CSS files after minification. My application is ASP.net Core 4.5 not MVC. I have created bungleconfig class file and written below code public class bundleconfig { // For more information on bundling, visit…
Developer technologies | ASP.NET | Other
Developer technologies | ASP.NET | Other
A set of technologies in .NET for building web applications and web services. Miscellaneous topics that do not fit into specific categories.
3,643 questions
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,747 questions
asked 2021-05-13T06:24:58.623+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 65%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
Avbl Sundari
1
Reputation point
edited an answer 2026-01-15T14:26:02.46+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(32, 79%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
Madhu
0
Reputation points