ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,492 questions
0 answers
System.NullReferenceException when using ListObjectAdapter
Hello, I am working with a legacy Excel Extension codebase where we are populating tables using Microsoft.Office.Tools.Excel. I am encountering a System.NullReferenceException in Microsoft.Office.Tools.Excel.ListObjectAdapter as shown in the picture…
ASP.NET Core
Excel
Excel
A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
1,793 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.
10,804 questions
asked 2024-08-22T08:41:13.0466667+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(291.2, 80%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVC%3C/text%3E%3C/svg%3E)
Vojtěch Habrnal | UNIWISE
0
Reputation points
edited the question 2024-08-22T08:42:19.2633333+00:00
Vojtěch Habrnal | UNIWISE
0
Reputation points
1 answer
One of the answers was accepted by the question author.
How to search a jquery datatable properly from a SQL stored procedure
Good day I'm doing a sorting, search and pagination to a jquery datatable via a stored procedure ALTER PROCEDURE [dbo].[sp_ProgressreportView] ( @SearchValue NVARCHAR(255)=NULL , @PageNo INT = 1, @PageSize INT = 10, @SortColumn INT = 0, …
asked 2024-07-23T07:09:44.34+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(291.2, 30%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJD%3C/text%3E%3C/svg%3E)
Jose Daniel Navarro Brito
41
Reputation points
accepted 2024-08-22T07:32:24.0366667+00:00
Jose Daniel Navarro Brito
41
Reputation points
1 answer
One of the answers was accepted by the question author.
How to transfer database data to excel
I have used below method to transfer data to excel in my project. It works fine - if I use id first. But if i use id second and use ajax it is not working. I need to use the second one because I want to pass parameters. If anyone could help, I would…
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,492 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.
10,804 questions
asked 2024-08-11T16:46:50.6766667+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(300.8, 44%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
jewel
901
Reputation points
edited the question 2024-08-22T06:21:24.2833333+00:00
Jack J Jun
24,496
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
how use partial with model in _layout page asp.net core Razor pages
I am programming my project with asp.net core Razor Page and In the upper part of , I have allocated a space for the user and her messages, which I have used to call partial in the layout file: <div class="header-left"> …
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,492 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.
10,804 questions
asked 2024-08-17T10:11:29.72+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(313.6, 21%, 40%)' 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)
Ashkan
81
Reputation points
edited the question 2024-08-22T06:20:13.03+00:00
Jack J Jun
24,496
Reputation points Microsoft Vendor
2 answers
Handling Compensation and Rollback in a Synchronous API-Based Saga Choreography for Microservices
In a microservices-based online order processing system using a saga choreography approach with synchronous API calls, a customer places an order involving multiple microservices: Order Service, Inventory Service, and Payment Service. After successful…
asked 2024-08-01T17:35:05.5033333+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(150.4, 64%, 24%)' 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)
Binu S
0
Reputation points
edited the question 2024-08-22T06:11:46.3+00:00
Jack J Jun
24,496
Reputation points Microsoft Vendor
1 answer
HTTP 405 error during login
I'm developing an asp.net core MVC web application and I use Identity for authentication and authorization. My login doesn't work. After entering data and pressing the button I get a HTTP 405 error. My view uses POST method inside my form, as well as my…
asked 2024-08-20T15:22:31.9266667+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(233.6, 12%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
Amra Akmadžić
40
Reputation points
commented 2024-08-22T02:37:09.9133333+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(121.6, 24%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETW%3C/text%3E%3C/svg%3E)
Tiny Wang-MSFT
2,486
Reputation points Microsoft Vendor
1 answer
Scripts and Stylesheets in Layout Pages
Hello everyone and thanks for the help in advance. I am developing an Asp.Net Core application that utilizes layout pages for things such as headers and footers. However, many of the pages using the layout page also need specific css and script files. …
asked 2024-08-01T22:29:13.8533333+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, 34%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
Kmcnet
786
Reputation points
edited a comment 2024-08-22T02:15:22.6333333+00:00
Tiny Wang-MSFT
2,486
Reputation points Microsoft Vendor
3 answers
How to add image to email?
Hi, In my e-commerce application, I am sending an order confirmation email to the customer. I am using a html template for this e-mail. I couldn't figure out how to display the logo and ordered product image in the e-mail. Here is the html…
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,492 questions
Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,539 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.
10,804 questions
asked 2024-08-17T12:16:39.34+00:00
Cenk
991
Reputation points
commented 2024-08-22T01:35:22.0566667+00:00
Tiny Wang-MSFT
2,486
Reputation points Microsoft Vendor
3 answers
One of the answers was accepted by the question author.
How do I resolve a HTTP 405 error in my login?
My asp.net core MVC web application uses Identity for authentication and authorization, but my login doesn't work. After entering data and pressing the button in login I get a HTTP 405 error and message "This page isn't working". My view uses…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,758 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,492 questions
asked 2024-08-20T15:53:48.7966667+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(3.2, 79%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
Amra Akmadzic
40
Reputation points
answered 2024-08-21T18:45:16.75+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(230.39999999999998, 12%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDS%3C/text%3E%3C/svg%3E)
Deepak Sarmha
0
Reputation points
1 answer
Why can't I create a Blazor Server App with .NET 8?
I'm trying to create a Blazor Server App using .NET 8. I've done this at home, but here at work Visual Studio 2022 only allows me to create a Blazor Server App using .NET 6. I've gotten into Visual Studio Installer, to check to make sure I have .NET 8 as…
asked 2024-08-20T17:14:53.12+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
150
Reputation points
edited a comment 2024-08-21T15:44:22.6966667+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)
63,341
Reputation points
1 answer
One of the answers was accepted by the question author.
Using Serilog in ASP.Net Core solution with multiple project
I have a ASP.NET Core solution with 3 projects. APIProject EntitiesProject ServicesProject In order to keep my EndPoint with minimum code, I transferred all the business related code in the Service Project. In the API project I configure…
![](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(57.599999999999994, 35%, 15%)' 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
One of the answers was accepted by the question author.
How to display data on jQuery Datatables in Asp.Net Core MVC
I am new to jQuery Datatables using AJAX in Asp.Net MVC 6.I have enclosed my code in the view as well as in the controller. View: <div> <div style="padding-top: 20px; padding-bottom:20px"> <button class="btn btn-lg…
![](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(41.6, 93%, 14%)' 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)
0 answers
Razor Pages slow rendering
Following are my Razor pages cshtml and cs files: Base64.cshtml: @page @model razor.Pages.Utilities.Base64Model @{ ViewData["Title"] = "Convert document to Base64"; } <style> .input-group-text { cursor: pointer; …
asked 2024-08-18T04:33:51.42+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, 1%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESL%3C/text%3E%3C/svg%3E)
S Lalith Prasad
0
Reputation points
edited the question 2024-08-21T01:55:58.49+00:00
Jack J Jun
24,496
Reputation points Microsoft Vendor
2 answers
How to Optimize Blazor Server Performance with Large Datasets?
I'm building a Blazor Server application that needs to display and interact with a large dataset (millions of records). Currently, fetching and rendering all data at once is causing significant performance issues. I'm looking for effective strategies to…
asked 2024-08-06T10:21:42.3233333+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, 31%, 14%)' 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)
MissKiarra
0
Reputation points
edited the question 2024-08-21T01:52:51.4633333+00:00
Jack J Jun
24,496
Reputation points Microsoft Vendor
2 answers
Issue in Blazor: File Upload with Zero Byte Size
Hello, I'm facing an issue with my Blazor application when attempting to upload a file. Sometimes the file uploads correctly, but other times the file is uploaded with a size of zero bytes. The issue does not always occur, making it difficult to pinpoint…
asked 2024-08-01T20:30:55.56+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, 17%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EY%3C/text%3E%3C/svg%3E)
Yusuf
791
Reputation points
edited the question 2024-08-21T01:51:00.32+00:00
Jack J Jun
24,496
Reputation points Microsoft Vendor
2 answers
One of the answers was accepted by the question author.
How my NormalizeEmail always null?
Hi, I'm new to this, so I'm not so good, your help is my pleasure. I have a problem, when I sign up for an account, it is okay, but when I log in, as far as I know, the NormalizeEmail is always null, and I don't know why, I try to cover in the…
asked 2024-06-19T18:47:21.2133333+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, 27%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENT%3C/text%3E%3C/svg%3E)
Nhựt Lại
65
Reputation points
commented 2024-08-20T14:31:20.31+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(153.6, 40%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAZ%3C/text%3E%3C/svg%3E)
Ahmet Zeren
0
Reputation points
2 answers
Cannot insert data into table UserClaims
I am using ASP.NET Core 6, and when I try to add Claims into table UserClaims I get this error: Cannot insert the value NULL into column UserId table UserClaims column does not allow nulls UPDATE fails var user = await…
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,492 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.
10,804 questions
asked 2024-08-16T18:10:17.24+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, 81%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
mostafa ahmed
41
Reputation points
answered 2024-08-20T09:14:50.4266667+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(243.2, 25%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVS%3C/text%3E%3C/svg%3E)
Vinay Shokeen
0
Reputation points
3 answers
One of the answers was accepted by the question author.
editor.disableReadOnlyMode( 'feature-id' ); is not working in DecoupledEditor
Hi! The question is simple. This works: <script src="~/js/ckeditor5-build-classic/ckeditor.js"></script> <textarea id="editor_middle">@Model.Description</textarea> ClassicEditor .create(…
asked 2023-08-11T19:08:35.2566667+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, 66%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVV%3C/text%3E%3C/svg%3E)
Volk Volk
571
Reputation points
edited a comment 2024-08-20T06:20:06.68+00:00
alightmods.com
0
Reputation points
1 answer
How to fix No webpage was found for the web address
Created a new App service, and to test the web app, manually uploaded a image under WWWROOT directory in app service editor and the uploaded image was accessible through url "https://domainname/image.png" but on publishing a .net core…
![](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(204.8, 24%, 29%)' 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)
![](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(153.6, 92%, 24%)' 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)
0 answers
Why wouldn't an app recognize a Certificate with a CSP of "Microsoft Software Key Storage Provider"...
...but will recognize the same Cert with the CSP set to "Microsoft Enhanced RSA and AES Cryptographic Provider"? In other words, the app fails when I import the certificate into the server's local key store like this: certutil.exe -importpfx…
asked 2024-08-16T18:05:38.0333333+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, 54%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDG%3C/text%3E%3C/svg%3E)
David Gursky
0
Reputation points
edited a comment 2024-08-19T17:53:01.87+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(89.60000000000001, 60%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDG%3C/text%3E%3C/svg%3E)
David Gursky
0
Reputation points