how to bind gridview using Json by onclick event of Linkbutton inside other Gridview?

hello all,   I am binding Gridview using json (first Gridview),which have some column with linkbutton.   I want to bind other gridview(second Gridview) using json on click of Linkbutton inside first gridview . how can i do this? ,please suggest me how to fire json on linkbutton click event ?

is there any code ?