Category "asp.net-mvc"

Error: System' could not be found (are you missing a using directive or an assembly reference?) in vs 2019

I tried creating a asp.net core web application with mvc in visual code 2019 and as soon as I open it it showes me a lot of errors like in the picture. enter im

Viewbag content does not appear

I have an APS.Net web app Razor view where I attempt to display the Viewbag.errormessage. The action method populates the viewbag but the view does not show the

Render angular.js template on click href

Hei friends,I'm kind rusty on mvc I need help. This is the cshtml ,my html and script is in the same page ,I want to render angular html Without refreshing page

System.Data.Entity.Core.MetadataException: 'Unable to load the specified metadata resource.' 2022

[Enter image description here] 1 I got this error when I tried to run the system. I am not sure why. it used to display the information from a database. Please

Conversion failed when converting the nvarchar value to data type int sql server

I have a table. There is data in this table and there is a checkbox next to each data. Multiple selection is possible. After the user makes a selection, the id

HangFire running each job separately

I am using HangFire to run the job. I have a method that retrieve data from more than 50 sql servers. I want to use HangFire to run each location separately by

I want to know how to make the date automatically change the year only in mvc

I want to know how to make the date automatically change the year only For example, if I have this date in the database 9/21/2020 I want the year to change ever

InvalidOperationException: Model item passed in the ViewDataDictionary is of type 'System.Object'

I encountered the problem when I was creating a Create page. Which lead me to an error message which says: Error Message: Im not entirely sure if my model name

Unable to create an object of type 'AppDbContext'. asp.net 6/mvc

MY ERROR: ı want to "add-migration" but ı cannot also ı use web app and .NET 6.0 Unable to create an object of type 'AppDbContext'. For the diffe

How to dynamically change background-color in ASP.NET MVC core?

I had an idea of changing a background color of a div when I click a button. I added a string in my 'Subject' model class as so: [NotMapped] public string Colo

How to include .aspx and its content into a .cshtml view?

I'm kinda new on .net and I ignored the existence of Controllers, Routing and Views and I already created my pages and their code behind on .aspx files and I wa

Why I am Getting Same Error While Starting Application ? "InvalidOperationException: Unable to resolve service"

Error => An unhandled exception occurred while processing the request. InvalidOperationException: Unable to resolve service for type 'Business_Logic_Layer.Ho

How to make .net 6.0 application to support multiple languages

I need to translate my application to multiple languages. The application is .Net 6.0 - MVC. I have never done this before, however, my idea is to compile the a

.Net Route Action Parameter coming back null despite being in url

UPDATE: It works fine is I add another parameter. I have no idea why. Not sure what I am doing wrong, this route looks the same as the other routes, I've looked

group items accourding to invoice ID

I need to prepare invoice lists and in the each invoice there are more items added by user while shopping here my model public partial class tblNormalSatisBekle

Invalid option '7.3' for /langversion; must be ISO-1, ISO-2, Default or an integer in range 1 to 6

I'm using Visual Studio 17 (version 15.8.5), my project targets .NET Framework 4.8 and I've tried setting the C# version to use (via Build tab in the Properties

Avoid unnecessary include statements in SQL database query for ASP.NET Core

There are some times where I have a user and would like to check whether they are in the organization that owns the item they are trying to access. Let's say th

SSL connection to the postgresql ASP.NET

I am trying to connect to a postgresql database through SSL. In the appsetting.json file, my connection string is "DefaultConnection": "Sslmode=Require;Sslrootc

How do I get the userId to save in the database while submitting the form?

I'm a beginner and well i'm doing a form which is capable to send information to the database but I needed one more thing to be sent and it is the Id from the u

DateTime from view to control to Mapper

i'm trying to pass A DateTime data type to a controller that will call a Mapper to pass it into a db. Additionally the DateTime is taken from a db at first. db