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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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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 ...
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1answer
31 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 ...
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1answer
40 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 ...
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49 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? ...
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2answers
37 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? ...
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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 ...
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1answer
52 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....
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1answer
78 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 ...
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2answers
102 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: ...
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1answer
3k 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 ...
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1answer
1k 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 ...
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2answers
121 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 ...
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1answer
720 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 ...
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1answer
502 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 ...
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1answer
2k 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 ...
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0answers
105 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", "...
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1answer
102 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 ...
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2answers
136 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 ...
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1answer
94 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....
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2answers
106 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 ...
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4answers
888 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 ...
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1answer
78 views

Get Users and related roles and show on View

I have 3 tables. Users, Roles and RolesToUsers Here is User model: ...
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1answer
776 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 ...
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1answer
59 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 ...
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1answer
201 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: ...
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2answers
272 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, ...
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1answer
558 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. ...
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0answers
391 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. ...
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0answers
72 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 ...
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4answers
153 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 ...
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2answers
2k 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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1answer
242 views

Calculating difference in time

In table first value I have value with datatype = Start I need to calculate difference first value - midnight Last value is ...
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3answers
1k views

Repository with ViewModel (ASP.NET MVC)

I have db table Model. Here is code: ...
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1answer
1k views

Implementing integration tests in ASP.NET core using InMemory database

I am building a web application using ASP.NET core. Most of the tests in my application are unit tests, so I mocked every dependencies in order to have fast unit tests. On the other hand I am of the ...
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1answer
7k views

Make external js file in ASP.NET MVC with razor path

I have js code , that I decided to move to external js. In this code I have razor syntax (url path) Here is code of those functions ...
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0answers
92 views

Add or modify bunch of data into database

I got my code works fine, but I am not really sure whether the approach that I took is a best practice or not. So, I decided to ask in this forum instead. So here is my situation: I got my model ...
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1answer
71 views

Adding data to database using ASP.net and SQL-server part 2

This is a continuation of my question in this link: Adding data to database using asp.net and sql-server. Now I have already incorporated the solutions that was provided in the given link. First ...
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1answer
33 views

Dual rewrite rules (WWW prefix and HTTPS)

I want to configure my website to force a www. prefix on the name, and the HTTPS protocol. ...
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1answer
88 views

Adding data to database using asp.net and sql-server

I just want to know your suggestions on improving my code on adding data to the database using asp.net and sql-server. Basically, I've created a form that the admin will fill-up and then when he ...
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2answers
2k views

Log Visitor Count in Asp.net MVC

I have a table to Log visitor Count Like : ...
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1answer
1k views

If and else without curly brackets [closed]

Is it possible to have an if condition with curly brackets and else conditions without brackets? Also what is the good practice to format it , should there be a new line after else keyword? ...
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1answer
227 views

Partition TPL Tasks in ASP.net 4.0 for WCF Service

Want to know if using partition code like this is ok to do to partition tasks in ASP.NET 4.0 inside of a WCF service. My goal with this code is to try to do non-blocking calls without spinning up too ...
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2answers
505 views

Sort a list for a GridView

I've written the following piece of code to sort my list, which is the data source to my GridView, depending on the column to be sorted on. It seems to me that there is quite a bit of redundancy, and ...
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1answer
69 views

Rendering logos for guitars and basses listed in a database

Right now I'm still a beginner in databases and still learning all about it. I have a problem with the design of my database and I don't really know where to go from here. Basically I'm building a ...
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2answers
7k views

Calculating the total of each column and display in footer of gridview in DataTable

I've used this code to get the sum of the values of each column and display in footer. Here, the advantage is that I don't have to look for the column name, just get the count of total number of rows ...
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0answers
294 views

JS/ASP.NET quiz app

I finally have a working version of my quiz web/game app. I used C# ASP.NET MVC with Entity Framework and JavaScript/Jquery. Would you guys mind taking a look at my code and make suggestions/...
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2answers
153 views

REST API for user access using ASP.NET Core

I have been coding in java for more than 3 years. Recently we had to develop REST Web Services for our customers in ASP.NET Core. I am a newbie to both C# and ASP.NET Core stack. The expectation ...
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1answer
790 views

Searching of Word documents

I have a website that offers to search documents from local hearings conducted, stored on a network file server. I need to take in the search term and search a bunch of .docx (roughly 4500) files. ...
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1answer
71 views

SqlConnection Transaction Management Approach

I am currently working on a SharePoint 2013 project with custom application pages development. On one of those pages, there are multiple insert / update to database table operations. Here are the ...
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0answers
108 views

Retain previous values in Label

I am trying to write a simple program, from which the following can be achieved. Button1_Click, the number on the Button is increased by 1. The increased number is ...