InfoPath Dev

How do I make controls required only if a radio button a control is a certain value? I know I can do this based on the OnAfterChange, just not sure what the code would be. Just to rephrase - Is there a programatic way (Vbscript) to set the attribute (Can Not Be Blank) for a control? example: if (XDocument...

I am using the code below to change the location of a Secondary data connection. This works fine but if the file does not exist, the FileQueryConnection.Execute() method generates an error of its own regardless of the Try block. I would like to avoid this error (confuses the users) by checking for the...