Hi ylkok,
I can not reproduce this issue, please try following code:
<%@ Page Language="C#" %>
<%@ Register TagPrefix="CE" Namespace="CuteEditor" Assembly="CuteEditor" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void b1_Click(object sender, EventArgs e)
{
p1.Visible = false;
p2.Visible = true;
}
protected void b2_Click(object sender, EventArgs e)
{
p1.Visible = true;
p2.Visible = false;
}
</script>
<html>
<head>
<title>test</title>
</head>
<body>
<form runat="server" id="f1">
<asp:Panel ID="p1" runat="server">
<CE:Editor ID="e1" runat="server">
</CE:Editor>
Panel1</asp:Panel>
<asp:Panel ID="p2" runat="server" Visible="false">
<CE:Editor ID="e2" runat="server">
</CE:Editor>
Panel2</asp:Panel>
<asp:Button ID="b1" runat="server" Text="Panel2Show" OnClick="b1_Click" />
<asp:Button ID="b2" runat="server" Text="Panel1Show" OnClick="b2_Click" />
</form>
</body>
</html>
Regards,
Ken