Get the selected rows in datagridview

You can get selected row through like below code:

Select dataGridView1 properties pannel: SelectionMode - FullRowSelect

dataGridView1.SelectedRows[0].Cells[0].Value;

If you are editing row then checkout by default keyboard DELETE button will work.

If you are using database to bind your dataGridView1 then you can take help from below link:

http://www.aspsnippets.com/Articles/Delete-multiple-rows-from-DataGridView-based-on-CheckBox-selection-in-Windows-Forms-Application-using-C-and-VBNet.aspx