$99 VS $1000+. UI Control for ASP.NET AJAX(contains chart and gridview).
ComboBox Data Binding with DataSource in ASP.NET
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Information for Data Binding to DataSource

The web ComboBox Control allows users to bind data from several common ASP.NET DataSource components (like AccessDataSouce, SQLDataSource, XMLDataSource, ObjectDataSource, SiteMapDataSource and LingDataSource) into target combobox objects.
And from this online guiding page, you will find detailed tutorial on how to achieve data binding from ASP.NET DataSource to ComboBox using ASP.NET AJAX.

How to Bind Data from DataSource to ComboBox

In this section, we will offer you a step-to-step guidance on how to bind combobox to DataSource using ASP.NET AJAX. And here we will take the data binding from SQLDataSource to combobox as an example to illustrate the data binding function of the asp.net ComboBox Control.
  1. Click the PerComboBox Smart Tag "Choose Data Source" | "<New Data Source>".
  2. From the "Choose a data source type" page of the wizard select "Database" and click "OK".
  3. Click New Connection in the Configure Data Source page.
  4. In the Add Connection Page, click Data Source and select "Microsoft SQL Server Database File". After that, please locate the database file Northwind via the Browse button and click "ok". Then click "Next" and choose the button "Finish".
The combobox data binding to other ASP.NET DataSource components works in the similar way.
Note: please make sure that your ASP.NET web application has installed NET Framework 3.5 or above versions and that you have installed all the necessary dlls from our ASP.NET AJAX SDK into your ASP.NET web application.

Other Related ComboBox Data Binding Tutorials

Apart from the function to bind data from ASP.NET DataSource components to combobox, the web ComboBox Control also allows developers to bind combobox to other data types, like: