|None of this is needed now that you are no longer trying Parameterized stuff.
command.Parameters["@Name"].Value = addr.name;
command.Parameters["@telnetaddr"].Value = addr.telnetaddr;
either delete those lines or preferably just comment them out until you have the thing working.
Error 3 is caused by Error 2, so should be alright now.
The stuff about MyDoor, I cannot help with, although I remember seeing it in one of your previous posts.
Do not read medical books! You could die of a misprint. - Mark Twain
Girl: (staring) "Why do you need an icy cucumber?"
“I want to report a fraud. The government is lying to us all.”