unable to run CrystalReportViewer1

[Madhan]

Hi Support,

Recently i have installed "vs71sp1" for my MS Vs 2003 .Net, that is Visual
Studio s/w downloaded and installed itself. After that Parser Error Message
was displayed about CrystalReportViewer1 control, below is the detail error
message

Parser Error
Description: An error occurred during the parsing of a resource required to
service this request. Please review the following specific parse error
details and modify your source file appropriately.

Parser Error Message: The base class includes the field
'CrystalReportViewer1', but its type
(CrystalDecisions.Web.CrystalReportViewer) is not compatible with the type of
control (CrystalDecisions.Web.CrystalReportViewer).

Source Error:


Line 17: <asp:HyperLink id="HyperLink2" style="Z-INDEX: 102; LEFT: 896px;
POSITION: absolute; TOP: 8px"
Line 18: runat="server" Font-Bold="True"
NavigateUrl="default.aspx">LogOff</asp:HyperLink>
Line 19: <cr:CrystalReportViewer id=CrystalReportViewer1 style="Z-INDEX:
103; LEFT: 64px; POSITION: absolute; TOP: 40px" runat="server"
HasToggleGroupTreeButton="False" HasDrillUpButton="False"
HasCrystalLogo="False" DisplayGroupTree="False" ReportSource='<%#
"C:\Inetpub\wwwroot\PETS\empcustrpt.rpt" %>' Height="1059px" Width="920px"
AutoDataBind="true" EnableDatabaseLogonPrompt="False">
Line 20: </cr:CrystalReportViewer>
Line 21: <asp:HyperLink id="HyperLink1" style="Z-INDEX: 101; LEFT: 8px;
POSITION: absolute; TOP: 8px" runat="server"


Source File: c:\inetpub\wwwroot\PETS\CustRpt.aspx Line: 19


--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.2032; ASP.NET
Version:1.1.4322.2032

Any one help me to resolve my problem????

thanks
Madhan Mohan.