Datagrid with edit,delet hyperlink

Question

Hello Friends,
 
m developing one web application.in that on view.aspx page has datagrid . in datagrid there are two hyperlink of edit,delete .
 when m clicking on edit hyperlink it will open detail.aspx page in edit mode & while clicking on delete hyperlink it will open detail.aspx page without edit mode.
 bt when m clicking on edit hyperlink the delete button on detail.aspx page should be visible false.
  how to do this..where to write code for this?
thanks.