ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,561 questions
1 answer
VS 2019 always crashes whenever I try to open this one solution
I am tasked with maintaining an old VB.NET ASP.NET WebForms application. It has 9 projects within the solution. It is at least 15 years old, which is longer than I have been employed in this position. None of the original developers are around. They left…
ASP.NET
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,764 questions
asked 2025-01-10T20:34:16.4966667+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(214.4, 35%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFR%3C/text%3E%3C/svg%3E)
Falanga, Rod, DOH
260
Reputation points
commented 2025-01-13T18:42:25.01+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(256, 32%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMT%3C/text%3E%3C/svg%3E)
Michael Taylor
55,921
Reputation points
2 answers
One of the answers was accepted by the question author.
How do I update DBContext after adding new table to SQL database?
We added a new table to our SQL Server database called Occupation. From the ASP.NET Web Form project, I can not seem to access it. Imports System.Data.Entity Public Class CCDBContext Inherits DbContext Public Sub New() …
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,561 questions
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,764 questions
Transact-SQL
Transact-SQL
A Microsoft extension to the ANSI SQL language that includes procedural programming, local variables, and various support functions.
4,675 questions
asked 2025-01-11T17:50:11.4366667+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, 69%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
Joe Pool (Heartland)
20
Reputation points
commented 2025-01-13T14:35:25.85+00:00
Joe Pool (Heartland)
20
Reputation points
1 answer
Implementing mTLS Between Two Apps Using ASP.NET
Guidance is requested on implementing mTLS between two applications using ASP.NET MVC in C#. or any .net code. The setup will involve a handshake between the server app and client app, developed in a localhost environment, utilizing OpenSSL or another…
asked 2025-01-07T13:20:51.7133333+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(252.8, 19%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAB%3C/text%3E%3C/svg%3E)
Abdul Baba Syed
21
Reputation points
edited a comment 2025-01-11T19:15:08.71+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(211.20000000000002, 61%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bruce (SqlWork.com)
69,196
Reputation points
4 answers
One of the answers was accepted by the question author.
Not getting any results...
I'm trying to create a website using ASP.Net and a SQL server connection to retrieve data which is all of data type "nvarchar" and not null. My code is as follows: (Database connection here) using (SqlConnection connection =…
asked 2025-01-07T21:20:59.32+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(76.8, 89%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFL%3C/text%3E%3C/svg%3E)
FRANK LUJAN
40
Reputation points
edited a comment 2025-01-10T06:39:17.5233333+00:00
SurferOnWww
3,696
Reputation points
1 answer
One of the answers was accepted by the question author.
I am migrating application from dot net 4.8 to dot net core 8. facing error Project ..\folder\folder.csproj targets net8.0. It cannot be referenced by a project that targets .NETFramework,Version=v4.8.
I am migrating application from dot net 4.8 to dot net core 8. facing error Project ..\folder\folder.csproj targets net8.0. It cannot be referenced by a project that targets .NETFramework,Version=v4.8. Project ..\folder1\folder1.csproj targets…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,038 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,731 questions
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,561 questions
.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,185 questions
ASP.NET API
ASP.NET API
ASP.NET: A set of technologies in the .NET Framework for building web applications and XML web services.API: A software intermediary that allows two applications to interact with each other.
362 questions
asked 2025-01-03T11:53:02.5433333+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, 72%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
Sayali Mahale
20
Reputation points
edited the question 2025-01-09T04:00:16.78+00:00
TP
101.3K
Reputation points
2 answers
Validate file content type for txt, log, JSON file in C#
public static bool IsFileValid(IFormFile file) { using (var reader = new BinaryReader(file.OpenReadStream())) { var signatures = _fileSignatures.Values.SelectMany(x => x).ToList(); // flatten all signatures to single list var headerBytes =…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,038 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,731 questions
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,561 questions
JavaScript API
JavaScript API
An Office service that supports add-ins to interact with objects in Office client applications.
1,019 questions
C#
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.
11,189 questions
asked 2025-01-08T17:16:17.0733333+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, 31%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESK%3C/text%3E%3C/svg%3E)
Surajit Kumar Shah
0
Reputation points
commented 2025-01-09T01:01:29.8133333+00:00
SurferOnWww
3,696
Reputation points
2 answers
One of the answers was accepted by the question author.
How to load dropdown values inside gridview or Listview using DataTable
i'm using dropdown values inside modal popup. whenever i am selecting some values in dropdown, i want to assign those values in datatable. Finally, i want to assign datatable values into either gridview or Listview. Is it possible to load values in…
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,561 questions
C#
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.
11,189 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(16, 2%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EB%3C/text%3E%3C/svg%3E)
2 answers
Server connection problem on a blazor site
Hi, I have made this app in blazor: Index Occasionally, I encounter this error: "Attempting to connect to the server." Do you know how to solve it? regards, Saeed
asked 2025-01-04T20:52:03.84+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(124.80000000000001, 55.00000000000001%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESP%3C/text%3E%3C/svg%3E)
Saeed Pooladzadeh
251
Reputation points
edited an answer 2025-01-06T16:11:00.8733333+00:00
Bruce (SqlWork.com)
69,196
Reputation points
4 answers
Blazor and ValidationGroups
I am in ASP.NET since the first version of .NET Framework and I am used to some features that are missing now. Please notice that I've just recently moved to Blazor. Currently, I am wondering why the ValidationGroups are not part of it. I have a kind…
asked 2025-01-04T13:22:46.66+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(131.20000000000002, 77%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKM%3C/text%3E%3C/svg%3E)
Kuler Master
386
Reputation points
answered 2025-01-06T03:42:31.7266667+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(73.60000000000001, 90%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZL%3C/text%3E%3C/svg%3E)
Zhi Lv - MSFT
32,831
Reputation points Microsoft Vendor
2 answers
Use signalR with Client in .netcore and server in .net framework(4.6.2)
Hello, I am trying to open a communication channel using SignalR between a client written in c# with .netcore and a server with .net framework 4.6.2 also written in c#. Is it posible? If the answer is no, what can I do to be able to communicate between…
asked 2021-03-24T16:24:15.663+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(48, 13%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDC%3C/text%3E%3C/svg%3E)
David Cerezo Romero
1
Reputation point
answered 2025-01-03T17:18:14.46+00:00
Bruce (SqlWork.com)
69,196
Reputation points
1 answer
One of the answers was accepted by the question author.
Blazor adds random attributes
Hello guys and all the best for the new year I am struggling with these strange attributes that Blazor keeps adding to all elements. I tried to find more about this behavior but none of the proposed solutions worked for me. For instance, MS suggests…
asked 2025-01-02T11:02:55.0933333+00:00
Kuler Master
386
Reputation points
edited the question 2025-01-03T13:00:50.49+00:00
Kuler Master
386
Reputation points
1 answer
One of the answers was accepted by the question author.
pass the selected value in a drop down to the controller
hi all, I am having difficulties in understanding how to pass the selected value in a drop down list to the controller. I have only seen examples that use the model object and the selected value is just some attribute that is being referenced when…
asked 2024-01-31T14:56:30.48+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, 33%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EE%3C/text%3E%3C/svg%3E)
elsvieta
371
Reputation points
commented 2025-01-03T08:17:53.4033333+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(60.8, 23%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESR%3C/text%3E%3C/svg%3E)
Syeda Rubaisha
0
Reputation points
2 answers
One of the answers was accepted by the question author.
How do I save file on form submit
Hello, As mentioned in the title, I want to save the file to the server. In the past, we were using SaveAs but in Blazor I can't get a reference of PostedFile directly. <div class="row pb-3"> <div class="col"> …
asked 2024-12-27T16:34:04.0766667+00:00
Kuler Master
386
Reputation points
accepted 2025-01-02T10:33:24.8666667+00:00
Kuler Master
386
Reputation points
3 answers
One of the answers was accepted by the question author.
how is way to create menus on a aspx page
i am using vb.net 2022 and renamed the extantion of a form to aspx now how is posible to create menus on this page
asked 2024-12-03T15:17:52.7933333+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(195.2, 82%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Simon
306
Reputation points
edited the question 2025-01-02T02:24:29.3233333+00:00
Jack J Jun
24,626
Reputation points Microsoft Vendor
2 answers
One of the answers was accepted by the question author.
How to share "System.Web.HttpContext.Current.Session" between ASP.NET and .NET CORE application
Dear All, I would like to share session values between ASP.NET and ASP.NET CORE application. It is working fine only when the session value is set inside "Session_Start() method in Global.asax.cs. When I try to set session value in an other action…
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,731 questions
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,561 questions
C#
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.
11,189 questions
asked 2024-12-18T15:28:55.29+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(76.8, 80%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMN%3C/text%3E%3C/svg%3E)
Marján Zoltán
20
Reputation points
edited the question 2025-01-02T02:24:00.31+00:00
Jack J Jun
24,626
Reputation points Microsoft Vendor
2 answers
How to run asp.net web application using visual studio code ?
I work on .NET 4.7. I have an issue: I can't run applications in Visual Studio Code. I don't know how to run it. Startup page is http://localhost:22851/WebPages/loginT.aspx This page opens in Visual Studio 2019, but how to open the page logint.aspx in…
asked 2024-12-24T21:40:42.5133333+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(262.40000000000003, 77%, 35%)' 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)
ahmed salah
3,216
Reputation points
edited the question 2025-01-02T01:58:43.11+00:00
Jack J Jun
24,626
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
Fix the error "Could not load file or assembly 'System.Runtime, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified"
I am using "Asp.net Web Application (.net framework ver 4.8)" and Class Library .net8 but when I reference it I get an error. Server Error in '/' Application. Could not load file or assembly 'System.Runtime, Version=8.0.0.0, Culture=neutral,…
Entity Framework Core
Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
770 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,038 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,731 questions
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,561 questions
C#
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.
11,189 questions
asked 2024-12-31T09:51:42.41+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(80, 64%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIP%3C/text%3E%3C/svg%3E)
iman padid
20
Reputation points
accepted 2025-01-01T09:08:59.95+00:00
iman padid
20
Reputation points
1 answer
One of the answers was accepted by the question author.
adding model based controller gives me an error in MVC 5
I am trying to add model based controller, according to a tutorial: https://zcusa.951200.xyz/en-us/aspnet/mvc/overview/getting-started/introduction/accessing-your-models-data-from-a-controller I tried reinstalling Visual studio, tried deleting…
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,561 questions
C#
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.
11,189 questions
asked 2024-06-10T10:18:57.1966667+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(208, 87%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDK%3C/text%3E%3C/svg%3E)
David Kamushadze
20
Reputation points
commented 2025-01-01T08:59:11.5+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(179.20000000000002, 37%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EH%3C/text%3E%3C/svg%3E)
Hajira
0
Reputation points
2 answers
One of the answers was accepted by the question author.
Share data between domains using ASP.NET C#
We have a shared state management server and aim to transfer session values between two domains: modern.com and 111A Both domains redirect to a common page, freelogin.aspx, which is hosted exclusively on modern.com. On this page, I need to retrieve the…
asked 2024-11-28T12:54:53.5233333+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(102.4, 40%, 19%)' 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)
Ashok Kumar
221
Reputation points
edited the question 2024-12-31T04:56:41.88+00:00
Ashok Kumar
221
Reputation points
0 answers
Detailed Help Needed for Azure AD B2C JIT Migration Password Reset Flow: Claims Transformation Issue
Context and Use Case I’m setting up an Azure AD B2C custom policy for a Just-In-Time (JIT) migration password reset scenario, and I’m encountering persistent issues that I cannot resolve. My scenario is as follows: A user from a legacy Identity…
![](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(300.8, 56.00000000000001%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERG%3C/text%3E%3C/svg%3E)