Questions tagged [asp.net]

ASP.NET is a web application framework developed by Microsoft to allow programmers to build dynamic web sites and web applications.

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6
votes
2answers
124 views

C# Convert BLOB to jpg, resize, then back to BLOB

I am trying to convert a BLOB that is stored in a database to a JPG and then I need to display it on an ...
1
vote
1answer
44 views

Validating a name with C#, ASP.NET Core 3.1 and Regex

This class validates that a name contains only letters and optionally spaces, hyphens and apostrophes. ...
3
votes
2answers
88 views

Validating a date with C# and ASP.NET Core 3.1

I have a simple class to ensure the date entered into a form is a valid date. Where can I improve it, have I missed anything? ...
0
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0answers
29 views

Vue.js in legacy web application

I'm working on modernizing legacy ASP.NET WebForms site which heavily relies on doing AJAX request for client-side rendering. Without the use of vue-cli compiling <...
5
votes
2answers
77 views

ASP.NET Core 3.1 AddHttpClient call that includes a call to the database

So, I have an ASP.NET Core 3.1 web site that makes occasional calls to a vendor's RESTful API. I use the HttpClient class to perform these calls. Currently, the ...
1
vote
1answer
52 views

Decoupling of validation and data access in ASP.NET

I've been asigned to a project no dev has touched in a long time. It's an ASP.NET MVC 4 application. It appeared to be well coded, but had no testing and the database migration folder is not present. ...
3
votes
0answers
32 views

Prettified GridView: is this JS code concise?

I been writing code for my company for years and there is never any constructive criticism for what I do. I am the only developer here and I would appreciate your opinion on this web page I made. It ...
1
vote
1answer
49 views

ASP.NET EF seed one to many relation

I am creating a simple model relation in ASP.Net core. My model relations are like this: A user can have many posts A post can have many comments A user can have many comments Now I am trying to ...
-2
votes
1answer
56 views

Is it good practice to use try catch only for a part of the code [closed]

When I submit the form, I need to validate the input data from an HTML form field, which comes from the user who submitted the data. So inside the Page_Load event, ...
3
votes
2answers
139 views

Asynchronous catalog with paging and partial views

I'm trying out .net core with mvc in a personal project, the latest functionality I've added was a project catalog, primarily ajax based, it's displaying a list of projects fetched from the database ...
1
vote
2answers
66 views

Collecting 3 years of data and building a string

I am collecting 3 years of data and building a string that will be used with an ASP Literal control. The method GetListOfMeetingBygroupId takes in a ...
3
votes
0answers
839 views

Hosted service for queuing and running tasks in parallel in ASP.NET Core

I am attempting to construct a background service for an IIS-hosted ASP.NET Core project that basically queues tasks and runs them, and I decided to go with the ...
2
votes
1answer
99 views

Extension method for getting custom Principal Claim

I'm writing extension methods to shorten the code required to get custom Claims from an IPrincipal. I have two general forms for ...
3
votes
1answer
83 views

Refactoring code to implement clean code using repositories

I've been refactoring code today, try to implement a clean code setup using repositories. Is this on track? Can any improvements be made? ...
0
votes
1answer
78 views

Asp.net middleware [closed]

This code is asp.net core middleware written in f# and called from c# for a blazor server-side app. How can this be made more efficient if any in regards to the async code. F#: ...
2
votes
1answer
85 views

Hosted service which perform CRUD operations in high update environment

I have this hosted services which garbs the data from the API and save it in the database. But before saving it checks if the data already exists in the DB if not it creates the new row and if it ...
3
votes
1answer
70 views

Logic is stored in Components that receive input data and update output data via Observables

I have C# ASP.Net Core Webapi application that makes some calculations for physical models. I have this project class: ...
2
votes
0answers
406 views

Ninject binding for Dbcontext

I have an asp.net web API and I am using EF6 to connect to a third party rest API which sells online game codes. We made a deal with the company so clients have to call my rest API in order to get the ...
1
vote
1answer
43 views

Update any controls' Text for the specified language [closed]

I would like to optimize the below code The only difference is the datatypes RadioButton, Label, and Button. Outside the method I have an loop that iterates over all the controls in the aspx-page. I ...
1
vote
0answers
62 views

Bookmark controller with IMemoryCache

I'm just doing a small hobby project to solve a little problem I have and I'm using it as a learning exercise for ASP.Net MVC 5, .Net Core 2 and Bootstrap. I'm using a nuget package that handles ...
2
votes
1answer
65 views

Encrypts using AES GCM for data with limited visibility and long rest

This is the third iteration of my venture on creating an encryption/decryption solution. I asked a question here, which led to this question here, which led to this answer here, which led me to ...
1
vote
1answer
137 views

Encrypts using AES with random initialization vector meant for data with limited visibility and then long rest

I've done some research, reviewed countless SO questions that appeared similar, leading me to endless rabbit holes. My solution is working, but I don't like it. I want to create a random IV for AES ...
1
vote
0answers
73 views

Helper class for ASP.net to return data from SQL server

My goal is to create a class that I can call from my webpages like this. Similar to a data access layer? ...
0
votes
2answers
40 views

The function to convert an object to a URL string

There is a function to convert object to the GET parameters for the ASP.Net controller. Is it possible to minimize the redundancy of the code, but not to the detriment of its readability? ...
0
votes
1answer
36 views

StringBuilder returing Web script

Task : With the page_type and currentpage param I made this code that returns the web script of the web page with active class on the current page through aspx behind code. Is there a better and a ...
-1
votes
1answer
56 views

Check if mail contains a single page pdf and transfer to other folders

This code checks if a mail message contains a single page PDF attachment. If yes, it adds it to a processed list else rejected list. If mail can be processed, then it saves the attachment into a file....
2
votes
1answer
282 views

Displaying all application errors in a view

I'm learning ASP.NET Core with MVC pattern and I didn't find anything useful related to this argument. Actually I'm looking ...
3
votes
2answers
109 views

Subscribe to Event form one service to another

In my architecture I have service layer, and for my question two relevant classes in this layer: UserManagementService EmailSenderService In first service there is method: ...
5
votes
1answer
5k views

asp.net core - get User at Service Layer

I use ASP.NET Core 2.1 and would like to fetch User at a service level. I've seen examples when HttpContextAccessor gets ...
2
votes
1answer
6k views

Async await multiple API calls

I have an application that needs to contact a remote API many times to request information about various products. It was taking around a minute with synchronous programming. I adjusted all my methods ...
7
votes
2answers
165 views

ASP.NET HTML code generation, two approaches

I was asked to give more context. So here we go. We want to create some HTML in code behind to add an "add" and a "refresh" button to a grid view header column. Approach #1 does this using string ...
4
votes
1answer
1k views

Proper way to display form with filtering in ASP.NET MVC 5

I want to create page when user can use form to display filtered data in table. Form has to remember its own state, because after every refresh it shouldnt change. So after submitting form I should ...
5
votes
1answer
825 views

Convert IEnumerable<Reads> to CSV

I have an IEnumerable of a view model that I need to convert to CSV and send back as a file response. I have written it out quite manually and I'm just seeking code ...
3
votes
1answer
7k views

Giving error response in Web API

I'm creating a Web Api in .NET Framework that is connected to an ASMX service. No own logic, just pass through data. Everything works as expected. But not sure if it's good. Have to repeat the same ...
2
votes
0answers
125 views

How to optimize code to only pull separate table rows that are necessary

I have a Company Class, and separate normalized Address Class. I did this because the Address table will hold more than just Company Addresses, so I don't want "CompanyAddress", "EmployeeAddress", "...
2
votes
1answer
151 views

UserStore implementation for two databases

I created our UserStore class to use it with our custom database membership. We use two databases: AMDbContext host the main ...
1
vote
2answers
148 views

Function to download anonymous type data into excel

As far as I know, I cannot create function to accept anonymous type as parameter and I am reluctant to create new class to store those anonymous type because their difference is ...
1
vote
1answer
96 views

Getting value from session if available, if not, take from the database

This method is a constructor that has to decide which URL to add to the response header as Allow-Origin. i am actually adding the Allow-Origin later according to the value of PermittedOrigion variable....
3
votes
2answers
120 views

Image Database Service

I created simply database service with get, insert, get all image names and verify exist method. All images will be store in blob storage with unique filename + postfix size. Next one I have image ...
4
votes
4answers
2k views

Find consecutive numbers and turn them into ranges

I have array int[] arr = { -2, 0, 1, 2, 3, 4, 5, 8, 9, 11, 13, 15, 18, 22, 25, 28, 29, 30 }; I need to write function that shows it as string and if numbers are ...
0
votes
1answer
86 views

Get Users and related roles and show on View

I have 3 tables. Users, Roles and RolesToUsers Here is User model: ...
4
votes
1answer
1k views

Runs a MySQL query, returns Dictionary<string, string> or false;

I've been practicing C# and ASP.NET, and have been working on a somewhat larger-scale project than I am currently used to. I am sure there are horrible things wrong with this code that I will find out ...
2
votes
1answer
77 views

IsDatabaseUp returns true or throws exception

I want to write an ASP.NET Web API endpoint that allows clients to check if database is running. The method below is check if database is up by establishing a connection and running a dummy sql ...
4
votes
1answer
265 views

Generic class for Unit of Work pattern

In my project I use the Unit of Work pattern and it works really well. The implementation is the following: ...
6
votes
2answers
292 views

Update SQL database, similar-but-different queries for each month

This snippet works and does as desired, but I just wonder if I am being too repetitive. What I mean by this is, eventually I will have all 12 months in there. So.... 12 Update Queries, 12 Commands, ...
1
vote
1answer
716 views

Change Background Color of ASP:GridView Based On Text

I am using the OnRowDataBound() event to change the Row.BackColor based on the text. Now my issue is, this is extremely slow. ...
2
votes
0answers
599 views

RESTful API combining three other APIs

I have created a RESTful API that uses three other APIs with Visual Studio 2017 in .NET Core. It is the first time I have ever programmed in .NET so I am sure the code could use a lot of improvements. ...
1
vote
0answers
90 views

Populating a container with dynamic pairs of connected sortable lists

I am working on an application which is used to assign work to Operators based on the Category of the work. Each Operator has several Categories of work they are qualified to work on. They have a ...
3
votes
4answers
157 views

Query URL parameters in downloading pictures from network cameras

I have some URLs saved in my database, to download pictures from network cameras. Because each camera has it's own URL and parameters, we have to store the entire URL in a field in the database. My ...
2
votes
2answers
3k views

Simple login user authentication

I've created a simple User Login page. Here User is authenticated [username, password] and if it is a valid user, values like username, name and role of the user is ...

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