my code this and is getting error once i am build and publish , the code is give below
<system.web>
<httphandlers>
<add path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
validate="false" />
</add></httphandlers>
<compilation debug="true" targetframework="4.0">
<assemblies>
<add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
<add assembly="System.Web.Extensions.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
<add assembly="Microsoft.ReportViewer.Common, Version=10.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
<add assembly="Microsoft.Build.Framework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
<add assembly="System.Management, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
</assemblies>
<buildproviders>
<add extension=".rdlc" type="Microsoft.Reporting.RdlBuildProvider, Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
</buildproviders>
</compilation>
<authentication mode="Forms">
<forms loginUrl="~/UI/LogInUI.aspx" defaultUrl="~/UI/LogInUI.aspx" slidingExpiration="true" timeout="20" path="/" requireSSL="false" enableCrossAppRedirects="false">
<credentials passwordformat="SHA1">
</credentials>
</forms>
</authentication>
<!--<authentication mode="Forms">
<forms defaultUrl="~/View/Login.aspx" loginUrl="~/View/Login.aspx" slidingExpiration="true" timeout="20"></forms>
</authentication>-->
<authorization>
</authorization>
</system.web>
<system.webserver>
<validation validateintegratedmodeconfiguration="false" />
<handlers>
<add name="ReportViewerWebControlHandler" precondition="integratedMode" verb="*" path="Reserved.ReportViewerWebControl.axd" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
</handlers>
</system.webserver>