FilterParameters is a collection of parameters that you can use to fill a placeholder in FilterExpression. (e.g : Country Like '{0}%' AND City Like '{1}%'). The placeholders are replaced according to the index of the parameter in the FilterParameters collection.

This sample demonstrates how to use FilterParameters (multiple parameters [Country & City])

To use ISDataSource along with Multiple FilterParameters

1. Binding DataSet to ISDataSource. (Use Customers table).
2. Open ISDataSource designer and add Country Like '{0}%' AND City Like '{1}%' to FilterExpression property.
   
   
3. Add 2 TextBoxes and a server-side button.
4. Right-click on ISDataSource control and go to the Designer >> Table Customers >> Filter Parameters collection.
5. Add 2 parameters to be linked to the textboxes.
   
   
6. Write the following function in OnButtonClick client-side event :

   C#	Copy Code
   protected void Button1_Click(object sender, EventArgs e) { GridView1.DataBind(); }

   
   
7. The result will be like following.