Professional OPC
Development Tools

logos

Online Forums

Technical support is provided through Support Forums below. Anybody can view them; you need to Register/Login to our site (see links in upper right corner) in order to Post questions. You do not have to be a licensed user of our product.

Please read Rules for forum posts before reporting your issue or asking a question. OPC Labs team is actively monitoring the forums, and replies as soon as possible. Various technical information can also be found in our Knowledge Base. For your convenience, we have also assembled a Frequently Asked Questions page.

Do not use the Contact page for technical issues.

"Object reference not set to an instance of an object" reading from remote OPC server

More
07 Oct 2017 09:19 #5576 by support
1. Please post your code.
2. Indicate on which statement the error occurs
3. Provide exception details, including the call stack.

Best regards

Please Log in or Create an account to join the conversation.

More
06 Oct 2017 14:24 #5575 by SENTHILKUMAR
the example shared only for local host OPC server. it works well . but the same code is not working for remote machine. server descriptor is properly defined. but i am getting the error

we are able to read the read the server from remote. we are able to read the tag list from the remote. but we are not able to read the tag values.

i am facing the error attached
Attachments:

Please Log in or Create an account to join the conversation.

Moderators: support
Time to create page: 0.042 seconds