Code needed for 'Search form ' in VB.net

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VB

I am creating a small application using vb.net 2008 and sql server.I want to create a search form. When i click in the SearchToolStripButton in all forms the 'Search' form will be loaded with the data from the header table into a grid. How to write code for the following

When i double click in one row in the grid of search window i want to return those data to the corresponding forms and i want to edit there.
OR
After i select one row in grid in the search form and click OK button i want to return those data to the corresponding forms.

Kindly do the needful.