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Help creating an Add/Remove button for data entry

Posted By:      Posted Date: October 05, 2010    Points: 0   Category :Windows Application
I have a form that is currently made up of 4 items:  DateTime Picker, Origin TextBox, Destination TextBox, and a read only Mileage TextBox. Each row represents one entry. I have two buttons next to each entry for Adding and Removing entry lines.  How would I go about coding those buttons to do just that?

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