Crystal Reports 10 - How to fix error The 'DisplayGroupTree' property cannot be set declaratively.

This example shows how to remove Group Tree from the report:



Set these properties to false in order to hide Group Tree in CR10:

<CR:CrystalReportViewer ID="CrystalReportViewer1" Style="z-index: 103; left: 16px;
            position: absolute; top: 424px" TabIndex="103" runat="server" DisplayToolbar="False"
            SeparatePages="False"  Width="350px" Height="50px"
        ToolPanelView="None" DisplayStatusbar="False" ToolPanelWidth="0px"
        HasToggleGroupTreeButton="False" HasToggleParameterPanelButton="False"></CR:CrystalReportViewer>