Does not support uri requests?

URI formats are not supported. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: URI formats are not supported.

Source Error:

Code:

Line 192:            Else
Line 193:                'Create user folder
Line 194:                Directory.CreateDirectory("http://www.club-hottie.com/users/" & username.Text)
Line 195:                'Copy tempphoto.jpg into new user folder
Line 196:                Dim phototemp As New FileInfo("http://www.club-hottie.com/users/phototemp.jpg")

Source File: d:\inetpub\wwwroot\ch\register.aspx.vb Line: 194

Stack Trace:

Code:

[ArgumentException: URI formats are not supported.]
   System.IO.Path.GetFullPathInternal(String path) +270
   System.IO.Directory.CreateDirectory(String path) +51
   ch.register.submit_Click(Object sender, ImageClickEventArgs e) in d:\inetpub\wwwroot\ch\register.aspx.vb:194
   System.Web.UI.WebControls.ImageButton.OnClick(ImageClickEventArgs e) +109
   System.Web.UI.WebControls.ImageButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +69
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
   System.Web.UI.Page.ProcessRequestMain() +1292