Before we start, where does EF Core come from? As its name suggests, it spun out from the .NET Core camp of development. EF Core is an extensible version of Entity Framework, which may be complied against the full .NET Framework, or .NET Core for cross platform development. It's worth keeping in mind that the original Entity Framework is still in development, but can only be complied against the full .NET Framework. You can find the GitHub repositories for both .NET Core and EF Core below…
Some errors are generic and there is no single path / root cause for the same. It is important to know at least the basic path one needs to take while troubleshooting. One of the reasons of loving my consultancy job is that I learn something new every day. I found myself again in learning state when I was trying to help one of my clients to assist in installation of SQL Server in a new environment...
DevOps has become an increasingly important aspect of daily life for many systems administrators. The demand to automate as much as possible, combined with the needs for flexibility and scalability, can give the most seasoned veteran a headache. Ansible will help ease a lot of those pains.
When I do not find anything on my blog, I write a blog post about it, so next time I do not have to recreate the scripts from the beginning. Just another day, I was doing performance tuning for an organization, I had to create a computed column with CASE statement and I suddenly realize that I do not have such a script on my blog so I decided to write a blog post on this subject.
In one of my projects I need to edit data in GridView so that the user can edit only individual cell and data would be saved into the database by pressing Enter or clicking to another cell. At the same time I need access data from cells that have been modified. Now, when I see the result, it seems to me clear and easy, so I would like to share it with you.
In this article we will discuss how to send event Invitation emails using MVC 5 with code first approach. Step 1: Firstly, create one database with table structure like the following which will take users input from UI & save the record in the database. I have created database name Event_Invitation...
In this article you will learn about integrating and using GitHub in Visual Studio 2012. With so many source control options out there, it can be a daunting task in choosing one, especially which you enjoy using and integrates well with your development environment. In recent years, the open-source mecca GitHub has taken over as a premier repository for allowing users to store, develop, collaborate and share code.
Windows Communication Foundation (WCF) is a distributed technology that provides a single, integrated platform or mode called the service mode to develop distributed applications for Windows. With WCF, powerful and interoperable service-oriented applications can be developed. It is a combined feature of Web Service, Remoting, MSMQ and COM+. WCF provides a common platform for all .NET communication and also uses Simple Object Access Protocol (SOAP) messages to exchange information between a service and client.
How to develop Linux/Unix (X11) GUI applications in C# efficiently without dependencies to GUI frameworks like GTK or KDE. Description of simple widgets. This article contains the description of some programming techniques concerning the Roma Widget Set (Xrw) - either used to extend the widget set or to apply it for application programming.
Creating a master page can be very simple or very complex depending on the intentions of the web designer. In this tutorial we shall create a very simple master page and nest a number of other master pages into it.
The MutuallyExclusive CheckBox is an ASP.NET AJAX extender that can be attached to any ASP.NET CheckBox control. By adding a number of Checkboxes to the same "Key", only one checkbox with the specified key can be checked at a time. This extender is useful when a number of choices are available but only one can be chosen, similar to a radio button.
A page in an ASP.NET application consists of several server controls. These are the fundamental building blocks of an ASP.NET application. The Life cycle of an ASP.NET page, depends on whether the page is requested for the first time or it is a postback. Postback is a process by which a page can request for itself.
This example displays a form on a page . The user then enters a date , if the date is invalid then a message will be displayed on the screen .
In this article we demonstrate how to generate and send emails with ASP using CDOSYS. You will learn how to send text and html emails, emails with attachments, use a remote server, load recipients from a database, set the priority / importance of an email and request a read/return receipt.
.Net framework Directory.GetFiles() method allow us to return the names of files in the specified directory. files name included their path also. Directory class GetFiles(String) method exists in System.IO namespace.
GetFiles() method require to pass a parameter named 'path'. the 'path' parameter value data type is System.String which represents the relative or absolute path to the directory to search. this string is not case-sensitive.
In the previous data basics column, we showed you how to retrieve data from an access table over the Web using ASP scripts. Retrieving and viewing data are just two of the tasks that you'll need in an interactive database application. Now we're going to venture into making database changes online, using HTML forms and ASP.
What is ASP? ASP stands for Active Server Pages. Actually, ASP in itself isn't a language, instead it is more of a technology used by VBScript on the server side to display dynamic content on the web pages.
In this tutorial we are going to create three pages to update data in the 'Guestbook' database made in the first database tutorial. The first page is used to display the contents of the database so you can select which entry you want update. In the second page we use a form to display the present data held in the database and allow you to change the details. In the third page we update the database.
Self explaining sort scripts to compare dates.
If you are reading this page then I shall assume that you already know a little bit about ASP and running ASP applications. To make this tutorial more interesting and the following database tutorials on, Adding, Deleting, and Updating, data from a Microsoft Access database, we are going to use these tutorials to make a simple Guestbook application.