Start Visual Studio.NET and select View-ToolBox to show the component ToolBox.
Right-Click on the ToolBox and select Add/Remove Items.
Under the .NET Framework Components Tab select all of the desired OPC Web Controls components you desire to use.
Make sure to select OPCWebRefresh along with the other components you desire to include in your ASP.NET application.
You are now ready to place and use the components on any ASP.NET WebForm in your Visual Studio.NET environment.