C# Windows form Application

Question

Hi, friends help me please....

In my semester project (ticketing System) i create a form to book tickets any thing is fine but i have only one problem that is i want to print tickets for passenger on Crystal report Viewer ....Soo, my question is this that how can i pass the value of textboxes to Crystal ReportViewer on Run time when i Clicked the print ticket button .. Pleassssssssssssssse help me now!!!!