http://forums.silverlight.net/forums/51.aspxDiscussions around new functionality in Silverlight 3 such as Out of Browser supportenCommunityServer 2007 (Build: 20416.853)http://forums.silverlight.net/forums/thread/240939.aspxThu, 02 Jul 2009 18:10:07 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:240939mtiede@swtechnologies.com0http://forums.silverlight.net/forums/thread/240939.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=51&PostID=240939<p>&nbsp;I ended up changing the IsThreeWay=&quot;True&quot;, but that didn&#39;t help.&nbsp; Then I added Mode=TwoWay to the binding.&nbsp; Then it worked right.</p><p>&nbsp;I guess I am surprised that TextBox worked without saying the Mode, but CheckBox required it, I guess. <br /></p>http://forums.silverlight.net/forums/thread/240926.aspxThu, 02 Jul 2009 17:31:33 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:240926mtiede@swtechnologies.com0http://forums.silverlight.net/forums/thread/240926.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=51&PostID=240926<p>I have a checkbox on a navigation page that I have bound to a field in the datacontext.&nbsp; I modify one textbox and one checkbox control.&nbsp; When I press a button, I go to WCF and get new data and then replace the datacontext of the page.&nbsp; The textbox text changes, but the checkbox ischecked property remains whatever it was before I pressed the button.&nbsp; Is IsChecked NOT the thing to bind to the data?</p><p>Oh, the field that is being bound to the checkbox is a nullable boolean (if that makes any difference).&nbsp; The textbox that works is bound to a nullable string. <br /></p>