https://www.infopathdev.com:443/forums/41.aspxIf you're not sure where to ask your question, ask it here. If necessary, our moderators will make sure it gets classified in the correct board.enCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/19936.aspxTue, 15 May 2007 17:29:36 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:19936Clay Fox0https://www.infopathdev.com:443/forums/thread/19936.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=19936It would appear to me that the field is set read-only and not allowing input.&nbsp; I would verify that in the view where you are trying to accomplish this that you can manually edit the field.https://www.infopathdev.com:443/forums/thread/19916.aspxTue, 15 May 2007 10:13:34 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:19916edove0https://www.infopathdev.com:443/forums/thread/19916.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=19916<p>Hi I&#39;m using the code below to call a function which writes a value to a field on my form. http://blogs.msdn.com/infopath/archive/2005/06/17/430347.aspx </p><p>I&#39;m calling the function from a rule and it works perfectly if I use the code exactly as above. If I change the code so that instead of popping up a message it writes the param to a field I get the error below:</p><p> <i>msxml5.dll</p><p>Attempt to modify a read-only node.</p><p>Error occurred during a call to property or method &#39;Test&#39;.</i></p><p>&nbsp;</p><p>Can anyone help me with this?</p>