![]() Let’s create a simple application using the native ASP.NET Core template for minimal APIs. ![]() This article uses Visual Studio, but feel free to use another IDE of your choice. NET SDK, the recommended version at the time this article was written. This article assumes that you already have a basic knowledge of working with databases such as understanding SQL and basic commands such as SELECT, INSERT, UPDATE and DELETE for manipulating and querying ![]() You’ll also learn best practices using EF Core and the micro-ORM Dapper. In this article, you’ll learn how to implement a web application in ASP.NET Core from scratch and integrate it with a database. Up development and reduces the code needed to work with databases. It simplifies everyday tasks, such as creating tables and queries, providing a set of tools for code-based data manipulation. The Entity Framework Core is a widely used ORM that facilitates interaction between the application and the database. The famous Object-Relational Mapping (ORM) maintained by Microsoft, the EF Core. Developers don’t need to reinvent the wheel every time they need to create a new application. This provides companies with a wide variety of options to choose a database best suited to their needs.ĪSP.NET Core has an excellent resource for working with databases, which already has several abstracted implementations. Non-relational databases such as MongoDB and Firebase. One of the main features offered by ASP.NET Core, an open-source web development framework, is its ability to seamlessly integrate with different relational database management systems such as SQL Server, MySQL and PostgreSQL. To access and use a database in an ASP.NET Core app using EF Core and Dapper. ![]() The database is the most common form of storage in web applications, allowing applications to store and retrieve information reliably and at scale-you could consider it an essential and useful component in any project. Run your form, and it should look like this.Learn how to connect an ASP.NET Core web app to a relational database with the EF Core ORM solution, and how to use a MySQL database with Dapper. TxtLocation.Text = ds.Tables(0).Rows(0).Item("Location").ToString() TxtLastName.Text = ds.Tables(0).Rows(0).Item("LastName").ToString() TxtFirstName.Text = ds.Tables(0).Rows(0).Item("FirstName").ToString() Immediately after the Fill() method, do this: A DataTable simply represents a table of data you have retrieved from the database. More specifically, it is a collection of DataTables. NET collections as well this makes them more flexible.Īnyway, you now fill the textboxes with the data in the dataset. If you have worked with classic ADO, think of a dataset as something like a recordset, except that a dataset is disconnected from the dataset, so you don’t need to worry about cursors, EOF, BOF, or closing connections. (You will have to modify the connection string to point the location of the MDB file on your machine.) Visual Studio 2005\Projects\ADONetTutorial1\ADONetTutorial1\ _ĭim strSQL As String = "SELECT EmployeeID, FirstName, LastName, _ĭim da As New OleDbDataAdapter(strSQL, conn) To do this, create a DataAdapter and use its Fill() method to fill up the dataset.Ĭonn.ConnectionString = "Provider=.4.0 _ĭata Source=C:\Documents and Settings\mendhak\My Documents\ _ In the Form’s Load event, fill the dataset. Declare a dataset at the class level and import the namespace. The buttons should be self explanatory as well: btnFirst, btnPrevious, btnNext, and btnLast. Name the textboxes txtFirstName, txtLastName, and txtLocation. Start by placing three labels, three textboxes, and four buttons on a form as shown in the following figure. You will be creating a simple form for navigating through the records in the table. A database sample has been provided in the attachment it consists of a few simple fields in the tbl_master table: To work with ADO.NET, the first thing you’ll need is a database.
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