Hello!
Please tell what behavior do you expect from this sample code?
Clicking on the button Hide Label causes disappearing the Label1 and its FieldLabel.
Example
<%@ Page Language="C#" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Ext.Net Example</title>
</head>
<body>
<form runat="server">
<ext:ResourceManager runat="server" />
<ext:FormPanel runat="server" Width="300">
<Items>
<ext:TextField ID="TextField1" runat="server" FieldLabel="FieldLabel1"/>
<ext:Label
ID="Label1"
runat="server"
Text="Some label"
FieldLabel="FieldLabel2"/>
<ext:ComboBox ID="ComboBox1" runat="server" FieldLabel="FieldLabel3"/>
</Items>
<Buttons>
<ext:Button runat="server" Text="Hide TextField">
<Listeners>
<Click Handler="TextField1.hide();"/>
</Listeners>
</ext:Button>
<ext:Button runat="server" Text="Hide Label">
<Listeners>
<Click Handler="Label1.hide();"/>
</Listeners>
</ext:Button>
</Buttons>
</ext:FormPanel>
</form>
</body>
</html>
Please provide us with a sample code which demonstrates the issue.