Source : System.Web Message : Value cannot be null. Parameter name: query Exception : System.ArgumentNullException: Value cannot be null. Parameter name: query at System.Web.HttpUtility.ParseQueryString(String query, Encoding encoding) at System.Web.HttpUtility.ParseQueryString(String query) at Utils.ParseQuerystring(String key, String decryptedQueryString) in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\App_Code\Utils.cs:line 381 at ReportViewer.ManageQueryString(String key, String fullUrl) in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\ReportViewer.aspx.cs:line 118 at ReportViewer.CheckAccess() in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\ReportViewer.aspx.cs:line 146 at ReportViewer.Page_Load(Object sender, EventArgs e) in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\ReportViewer.aspx.cs:line 29 at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) StackTrace : at System.Web.HttpUtility.ParseQueryString(String query, Encoding encoding) at System.Web.HttpUtility.ParseQueryString(String query) at Utils.ParseQuerystring(String key, String decryptedQueryString) in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\App_Code\Utils.cs:line 381 at ReportViewer.ManageQueryString(String key, String fullUrl) in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\ReportViewer.aspx.cs:line 118 at ReportViewer.CheckAccess() in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\ReportViewer.aspx.cs:line 146 at ReportViewer.Page_Load(Object sender, EventArgs e) in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\ReportViewer.aspx.cs:line 29 at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)