Tutorials on ASP.NET Core and MVC

This tutorial explains the Startup class in ASP.NET, along with the methods of this class. We also explain how a custom middleware can be attached b . . .

This tutorial explains everything necessary to get you started with the middleware in ASPNET Core. We explain the built-in middleware components as . . .

Use the concepts learnt till now, and without using razor, and without mvc framework, create a contact form that has a text box (cusName) and a date . . .

This is a summary of the concepts of routing and route templates in asp.net core. We have taken a practical exercise to develop the concepts in an i . . .

Write an ASP.NET Core application such that the route "/home/index/N", where N is any int number, executes only if the website is hosted o . . .

Some, not all, routes need a daily downtime between 17 hrs to 18 hrs. So they have to be shut during that period so that no requests are processed. . . .

How to POST an ASP.NET Core Razor FORM through an Ajax Request. We discuss a practical approach that is to-the-point and easy to understand. The giv . . .

The following project has a textbox with a send button. The click event fires an AJAX GET request and sends a string parameter to an ASP.NET Core ap . . .

In nutshell: The selection change event of the master dropdown is used to send the "id" of the selected item to the server, which sends ba . . .

This project is about creating an Admin Panel that would be suitable for a reporting project or an EBook that shows a table of links on the left and . . .

In brief: Just two additions are required to implement AJAX based authorization in your existing ASP.NET Core application - first is on the javascri . . .

Pure Javascipt and html5 based general solution for in-place or in-line editing of the tr, td records of an html table. This solution is suitable fo . . .

Simplest explanation of AJAX based Edit, Update, Cancel operations on a row of an HTML table. An ASP.NET Core POST handler receives the updated valu . . .

Anti-forgery token is NOT available outside of <form> tags. This article, alongwith the appended video, explains how to use IAntiforgery serv . . .

This is a $20 step by step video course for learning ASP.NET Core. Learn from the comfort of your home. Each topic is explained in a beginner's . . .

Looking for the "protected" App_Data folder in ASP.NET Core? The news is that it doesn't have that status anymore. It is no longer a & . . .

This is the simplest example of reading and updating a record. For simplicity, the record consists of just one property called Name. An input textbo . . .

This is a walkthrough on how to make calls to an XML database via repository pattern and dependency injection. We also give a brief introduction to . . .

Here is a to-the-point tutorial on how database connectivity works in ASP.NET Core. A 3-step roadmap is laid for running your first query to a datab . . .

A form of only one input textbox is POSTed and the data is inserted into a sqlite database. This is a six step walkthrough that starts from creating . . .

We start this walkthrough with a small introduction to the concept of a cookie, and then we explain the various ASP.NET Core snippets to (a) create . . .

This is a walkthrough on how to obtain user consent for usage of cookies on an asp.net core website. This project uses the ITrackingConsentFeature i . . .

_ViewImports.cshtml is shared by all the razor pages in its peer directory, and in the sub-directories below it. It is like an include file, and it . . .

This is a comprehensive discussion on the need for "areas", and how to practically create "areas", and how, un-like classic MVC, . . .

Razor components are stand-alone, embeddable units that replace themselves with pure HTML, CSS and JS markup. They can accept parameters from the ho . . .

So this article starts by explaining the various aspects of a partial view from a practical, day-to-day perspective. We have totally removed those p . . .

This article explains behind-the-scenes mechanism by which "Session" is implemented in ASP.NET Core. We also enumerate the four extension . . .

This tutorial continues from where we left the tutorial on INSERT query (see the link below for a recap). The code we discussed there has been exten . . .

There is no built-in method for storing DateTime into a session variable in ASP.NET Core. However, the Microsoft MSDN docs suggest that developers c . . .

We start by explaining the general scheme for deleting a record from a table. A foreach loop adds an anchor link to each record. The primary key (id . . .

This tutorial discusses the most desired scenario where data entry form and the already existing records are shown on the same page. Each record has . . .

TempData can be used to pass data from one razor page to another. Although QueryString and Session variables can be used to achieve the same objecti . . .

This tutorial extends the one-textbox FORM that we have implemented for CRUD operations in the previous tutorial (see link below). Now we add a chec . . .

This tutorial extends the FORM that we have implemented in the previous tutorial (see link below). Now we add a radiobuttonlist to that form and obs . . .

This tutorial extends the FORM that we have implemented in the previous tutorial (see link below). Now we add a dropdownlist to that form and observ . . .

This is the simplest introduction to Razor Pages - why you need them, what they are, and how page events and data could be handled with them. See th . . .

This is a quick and complete explanation of how to integrate your razor pages to a framework such as bootstrap, and how to add and manage your cust . . .

Tag helpers provide a standard way of generating html tags in razor pages. They are interpreted on server side. They are of the same syntax as html . . .

An anchor tag helper can be used to specify the name of the click event handler. For this the attribute "asp-page-handler" is set equal to . . .

This is an introduction to the most common UI Elements that can be used on a FORM. The article starts with a quick introduction to an html form of o . . .

A form submit is triggerred by a submit button inside FORM tags. If the method is POST, which is most often the case, then the recommended handler i . . .

This article starts with a brief primer on server side validations and why they should be done. A simple model of just one property is used to expla . . .

SaveChanges can fail if a constraint fails, if a connection error occurs or if any generic error occurs. So it should always be wrapped in a try-cat . . .

This is a brief explanation of how to specify single primary key on a model through attributes - but this approach fails when multiple columns are t . . .

This is an explanation of how an "Area" based ASP.NET Core project can be configured for role and policy based authorization. Authorizatio . . .

This article starts with an explanation of "SignIn", and then explains the various steps for a signin process. Finally, we discuss what is . . .

This is a snippet on showing "You are logged as ..." on every page that an authenticated and authorized user visits. The code can be inser . . .

Following is a brief scheme on signing out a logged-in user. A function for sign-out is written in the same file as for the login code. Then this fu . . .

This is a quick and clean scheme for uploading files to a server. In the first part we demonstrate how to store them into a database table. And, in . . .

A file can be downloaded by returning a FileResult. This article explains how a FileResult is created. Finally, a walkthrough is given that shows a . . .

This is an explanation of SingleOrDefault, FirstOrDefault and Find methods from a practical point of view. We have explained when to use which one a . . .

This is an explanation of Where, Include and the ToList methods from a practical point of view. We have explained when to use which one and how to u . . .

EF Core translates your LINQ expressions into SQL language queries. However, sometimes it is easier, convenient and faster (as determined by testing . . .

A result set can be sorted in ascending as well as descending order. It is even possible to perform a chained sorting by using "ThenBy" an . . .

(LEVEL IS BEGINNERS) Following is a collection of exercises and practice questions that help in cementing the concepts of asp.net core razor pages. . . .

(LEVEL IS BEGINNERS) These are practice questions and exercises on Basic Event Handling in Razor Pages. Solve them and join our course for their sol . . .

(LEVEL IS BEGINNERS) These are practice questions and exercises on Basic database connectivity in Razor Pages. Solve them and join our course for th . . .

(LEVEL IS BEGINNERS) These are practice questions and exercises on Modularity in Razor Pages. Solve them and join our course for their solutions.