Kumar,
Try
<CE:Editor id="Editor1" AutoConfigure="Default" runat="server"></CE:Editor>
or
<CE:Editor id="Editor1" ConfigurationPath="~/CuteSoft_Client/CuteEditor/Configuration/AutoConfigure/yourconfig.config" runat="server"></CE:Editor>
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asp wysiwyg html editor: http://cutesoft.net/ASP
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