https://www.infopathdev.com:443/forums/45.aspxenCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/14298.aspxThu, 16 Feb 2006 13:24:01 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:14298vt_asparagus0https://www.infopathdev.com:443/forums/thread/14298.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=45&PostID=14298Becuase the return message is in OnBeforeChange to send a user a message if you are not going to allow the change to continue. In the case of OnAfterChange, the change has been committed to the DOM.https://www.infopathdev.com:443/forums/thread/12776.aspxWed, 15 Feb 2006 06:50:58 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:12776liorlankri0https://www.infopathdev.com:443/forums/thread/12776.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=45&PostID=12776I Have a text box and I write this code in the OnBeforeChange Event:<br /><br />If eventObj.IsUndoRedo Then<br /> Exit Sub<br />end if<br /><br />If eventObj.Operation="Delete" Then<br /> Exit Sub<br />end if<br /><br />dim str1<br /><br />str1=eventObj.NewValue<br /><br />if len(str1)&lt;4 then<br />eventObj.ReturnStatus=false<br />eventObj.ReturnMessage="should be more than 4"<br />end if<br /><br />That code work. But when I write the same code in the OnAfterChange Event I dont get the ReturnMessage. I get it only if I change it to:<br /><br />XDocument.UI.Alert("should be more than 4")<br /><br />Why it's happen???