OPC UA Client .net - write 'long' type error|OPC UA Implementation: Stacks, Tools, and Samples|Forum|OPC Foundation

Hi!

I'm writing a .net application based on opc UA base libraries. It manages read, write and subscriptions and it's almost working fine. I'm testing it with the opc foundation server and with a kepware opc ua server.

I have an error when trying to write a tag of type 'long' on the kepware server. The error i get says: BadTypeMismatch,0x80740000,The value supplied for the attribute is not of the same type as the attribute's value.

I'm the C# code i convert the long type to 'System.Int64' .net type. I guess it's the wrong one, but i can't find what's the correct .net data type i should use.

Thank you very much!
Andrea