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/6980.aspxWed, 22 Jun 2005 02:25:15 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:6980Patrick Halstead0https://www.infopathdev.com:443/forums/thread/6980.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=6980Hi Richard,<br />Any more info on the error code? Looks like the property may not support modifying in code.<br /><br />Patrick Halstead [InfoPath MVP]<br />InfoPathDevhttps://www.infopathdev.com:443/forums/thread/4718.aspxThu, 16 Jun 2005 23:57:34 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:4718Richard0https://www.infopathdev.com:443/forums/thread/4718.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=4718I want to be able to set the query parameter of the webservice.so I have done this:<br /><br /><br />Dim fieldValue<br />fieldValue = thisXDocument.DOM.selectSingleNode("/my:myFields/my:field3")<br />'Get a reference to the Web Service data connection<br />Dim theDataObject<br />theDataObject = thisXDocument.DataObjects.Item("GetPatientCDA").DOM<br />'Set the SelectionNamespaces property so you can navigate the web service XML()<br />theDataObject.setProperty("SelectionNamespaces", "xmlns:dfs=""http:/schemas.microsoft.com/office/infopath/2003/dataFormSolution"" " + "xmlns:tns=""http:/tempuri.org/""")<br /><br />'Get a reference to the parameter in the web service<br />Dim queryValue1<br />queryValue1 = theDataObject.DOM.selectSingleNode("/dfs:myFields/dfs:queryFields/tns:GetPatientCDA/tns:given")<br /><br />'Set the parameter value to dropdown box selection<br />queryValue1.text = fieldValue.text<br />Dim queryValue2<br />queryValue2 = theDataObject.DOM.selectSingleNode("/dfs:myFields/dfs:queryFields/tns:GetPatientCDA/tns:family")<br /><br />'Set the parameter value to dropdown box selection<br />queryValue1.text = fieldValue.text<br /> theDataObject.Query()<br /><br />But, It fails at SelectionNamespaces ?! here is the error :<br />System.MethodAccessException<br />Attempt to access the method failed.<br /> at System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess)<br /> <br /><br />Is there a way to confirm this namespace ? does the manifest have it ? <br /><br />Any help appreciated.<br />Thanks.<br />