help needed..

[Guest]

C:\Documents and Settings\Yeoh Cheng Lin\My Documents\Visual Studio
Projects\CallBillingSystem\CallBillingSystem\SummaryReport.cs(334): The type
or namespace name 'ConnectionState' could not be found (are you missing a
using directive or an assembly reference?)

may i know what does it means?thanks....

 

[Glenn]

Add the following

using System.Data;