Retrieves data rows manually from DataSource based on user's queryText, startRow, rowCount and other properties that are available to the context. This feature allows faster and more effective partial data rows retrieval against a very large DataSource.

In this topic, you will learn how to apply load on demand in WebCombo.

To apply load on demand in WebCombo

1. Drag and drop WebCombo instance to the form.
2. Bind WebCombo to ISDataSource control.
3. In ISDataSource control, set the following properties:
   
   

   Property	Value
   EnablePaging	True
   SelectCountMethod	SelectCount
   MaximumRowsParameterName	maximumRows
   StartRowIndexParameterName	startRowIndex
   SelectMethod	GetData
   TableName	Customers

   
   
4. Open WebCombo Designer - Advanced Settings.
5. Set AllowAutoQueryHandler to False.
6. Click OK to apply the changes.