Change SignedInfo.CanonicalizationMethod to http://www.w3.org/2006/12/xml-c14n1
I am following the method advise from this link
SignedXml CanonicalizationMethod – http://www.w3.org/2006/12/xml-c14n11
After I applied the changes, the system run fine and does not have any error but I am still not able to show the intended result and still showing the default method as following