Thanks norman. that helped

Hi, I need to send a file created at the server to client side. I could redirect the url to point to the excel file im generating and rely on IE to open. But I want the open/save dialog to popup. Is there any way I can stream the file? thanks Rak

Hi, I'm using NT authentication to get the username in my webform. When the numer of simultaneous users increases beyond some number im getting a 403.15 error - Maximum number of users exceeded, get more client access licences. Im using an IIS 5.0 on Win2k (no ssl connection). Can you tell me what I'm doing wrong? Thanks Rak

a label of height 2 would be lighter :)

when you serialize an object some information about the object is also saved. This includes the assembly to which the class belongs, the version, culture, the namespace etc. This information is required to recreate the class. In your case the serializing is done in one assembly & deserializing in another assembly. The type information doesnt match. One work around is to keep the class you want to serialize in a common assembly. and reference this asssembly in your other projects. HTH Rak