public class viewtree extends Object implements java.io.Serializable {
public viewtree(){};
Cdatabase linkconn=new Cdatabase();
public void init(javax.servlet.jsp.JspWriter out) {
linkconn.makeConnection();
private boolean has_child(int Pclsid) throws Exception{
ResultSet rs=linkconn.executeQuery("select * from Classfication where Pclsid="+Pclsid+" order by Pclsid");
return rs.next();
}