Web Methods Commented out
The signature of GetImage and GetRecordFieldValue are changed on 10.1.0.
Migration effects
During migration, GetImage and GetRecordFieldValue on *.aspx.vb(cs) are comment out. When the application is rebuilt, new copies of GetImage and GetRecordFieldValue are inserted.
What you should do
After migration, re-apply any customizations you may have made to GetImage and GetRecordFieldValue.