windows control in WebForm

[windows_mss]

hi,

i have created one Windows Control using C#,

the functionality of that control is as follow,

we can paint or draw in that Canvas, adjust the background color,

then save that image in 3 location,local drive,clipboard,

it's working 200% in windows,when i embedded that control in web form

using object tag, it's working when i try to save in localdrive the exception

rises,Exception As Follows,

"Request for the permission of type System.Security.Permissions.FileIOPermission, mscorlib, version=1.0.5000.0,Culture=neutral,PublicKeyToken=b77a5c561934e089 failed."

but i copied the content in windows ClipBoard.

I'm Seeking Your Help,

Please Join Hand to complete my task,

thanks in advance