AG_E_UNKNOWN_ERROR introduced after installing Silverlight 2.0 RCO

10-31-2008 2:34 PM |

After installing SP1 for VS.net 2008, I then installed Silverlight 2.0 RCO, the new tools, and finally the new Blend 2.0. What I have discovered even in a NEW Silverlight project is that I receive AG_E_UNKNOWN_ERROR whenever I open a XAML after closing it first. For example, after successfully compiling a Silverlight project, I can open and close multiple xamls and it will paint the xaml with no errors occurring as long as at least one xaml stays opened. But, after I close ALL the xamls tabs, I receive the error once I open the first XAML, the error repeating for each XAML I open going forward. This only gets resolved by either recompiling or shutting down Visual Studio and restarting.I thought maybe it was my existing project, so I started a new one by creating one xaml with a simple textbox and button and I get the same problem. I have done some research and found no one having this same exact problem. Everyone in my office is having the same problem.

Any ideas?

Re: AG_E_UNKNOWN_ERROR introduced after installing Silverlight 2.0 RCO

10-31-2008 4:55 PM |

This Error is due to use of some invalid properties like TextAlignment, Textdecoration as in RCO these properties has been changed.

Re: AG_E_UNKNOWN_ERROR introduced after installing Silverlight 2.0 RCO

10-31-2008 4:57 PM |

It happens to me with pages where is user defined control included (for example menu control embedded to the page). The error is not present when I remove the included control :-( Furtunatelly the pages with the error can be builded ...

Re: AG_E_UNKNOWN_ERROR introduced after installing Silverlight 2.0 RCO

11-03-2008 2:11 PM |

Hi mukkuonline,

That may be true for projects created in the older beta versions, but I created a new project with a simple textbox and command button and it still does the same thing.

Thanks for your reply.