No search result fix

gistfile1.java

    public static String getSearchResult(String search) {

        StringBuilder buf = new StringBuilder();

        String searchQuery = "SELECT * FROM data_structure WHERE element_name LIKE '%" + search + "%'";
//        String searchQuery = "SELECT * FROM data_structure WHERE data_structure_type LIKE '%" + search + "%' or element_name LIKE '%" + search + "%' or element_description LIKE '%" + search + "%' or rational LIKE '%" + search + "%' or field_namecode LIKE '%" + search + "%' or alias LIKE '%" + search + "%' or field_size LIKE '%" + search + "%' or element_owner LIKE '%" + search + "%'";

        try {

            currentCon = ConnectionManager.getConnection();
            stmt = currentCon.createStatement();
            rs = stmt.executeQuery(searchQuery);

            buf.append("<h3>Search Result for <strong>" + search + "</strong></h3>");
            
            // returns true if there are rows in ResultSet
            while (rs.next()) {
                buf.append("<p><strong>Data Structure Type:</strong> " + rs.getString("data_structure_type") + "</br>");
                buf.append("<strong>Element Name:</strong> " + rs.getString("element_name") + "</br>");
                buf.append("<strong>Element Description:</strong> " + rs.getString("element_description") + "</br>");
                buf.append("<strong>Field Namecode:</strong> <code>" + rs.getString("field_namecode") + "</code></br>");
                buf.append("<strong>Alias:</strong> " + rs.getString("field_namecode") + "</p><hr/>");
                
            }
            
            // No  rows found
            if (!rs.first()){
                buf.append("<p><strong>No search result</strong></p>");
            }
            
        } catch (SQLException e) {
            System.out.println("Search failed: An Exception has occurred! " + e);
        } finally {
            if (rs != null) {
                try {
                    rs.close();
                } catch (SQLException e) {
                    rs = null;
                }
            }
            if (stmt != null) {
                try {
                    stmt.close();
                } catch (SQLException e) {
                    rs = null;
                }
            }
            if (currentCon != null) {
                try {
                    currentCon.close();
                } catch (SQLException e) {
                }
                currentCon = null;
            }
        }

        return buf.toString();
    }