protected void lnkLeftPanelSectionNew_Click(object sender, EventArgs e)
        {
            // Get the full path of the current session's report definition file.
            string fileName = HttpContext.Current.Session["ReportDefinition"].ToString();

            // Create a new report definition by the file.
            ReportDefinition reportDefinition = new ReportDefinition(
                Global.Core,
                fileName,
                Global.HierarchyFilters[fileName]
                );

            // Clear the report definition.
            reportDefinition.Clear();

            // Clear the data check entries.
            DataCheck dataCheck = new DataCheck(fileName);

            dataCheck.Clear();

            // Self redirect to display clear crosstable.
            Response.Redirect(
                Request.Url.ToString()
                );
        }