You need the folowing on your .
vb page
Imports CrystalDecisions.CrystalReports.Engine
Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim report As New ReportDocument
report.Load(Server.MapPath("the name of the report.rpt"))
report.SetDatabaseLogon("some username", "some password")
Me.CrystalReportViewer1.ReportSource = report
End Sub
End Class
more info at the following link
http://ms-help://MS.VSCC.v80/MS.MSDN...bjectmodel.htm