Displaying data from external database

Beside displaying Kentico CMS content, you can also display data from your external databases or Web Service. In this case, you need to add custom code to your ASPX page that will use ADO.NET to retrieve the data or that will contact the Web Service and call its methods. Since you can place any custom code into the page (page template), you will simply use the standard ASP.NET code you would use if you created the website from scratch.

Example: Retrieving data from the sample Northwind database

In this simple example, you will see how to display data from the Categories table of the Northwind database using ADO.NET, in the sample Corporate Site ASPX website. You may need to use some other database if you do not have the sample database Northwind on your server.

Open the web project in Visual Studio using the WebProject.sln file. Open the page CMSTemplates\CorporateSiteASPX\home.aspx.

Drag and drop the standard ASP.NET GridView control on your user control and set its ID to GridView1.

Add the following line to the beginning of the code:

[C#]

using System.Data.SqlClient;

Add the following code to the Page_Load method:

[C#]

// create sql connection - you could use Oracle or OLEDB provider as well

SqlConnection cn = new SqlConnection("Persist Security Info=False;database=northwind;server=server1;user id=sa;password=psswd;Current Language=English;Connection Timeout=120;");

// create data adapter

SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM categories", cn);

DataSet ds = new DataSet();

// fill the dataset with data from database

da.Fill(ds);

// bind data to the grid view

GridView1.DataSource = ds;

GridView1.DataBind();

Save all changes. See the page on the live website. You will see a grid with data from the external database:

devguide_clip0274

As you can see we used standard ASP.NET methods to display external data on the website.

Page url: http://devnet.kentico.com/docs/devguide/index.html?displaying_data_from_external_database.htm