ASP.NET UniqueID property
Control Standard Properties Reference Definition and Usage
Gets the unique, hierarchically qualified identifier automatically generated UniqueID property. This attribute the ID attribute is different because the UniqueID property contains the control identifier naming container. This identifier is generated automatically when the page request process.
Examples
The following example shows UniqueID Button control:
<script runat="server">
Sub Button1_Click(sender As Object, e As EventArgs)
Response.Write("UniqueID is: " & button1.UniqueID)
End Sub
</script>
<form runat="server" >
<asp:Button ID="button1" OnClick="Button1_Click"
Text="Get UniqueID" runat="server" />
</form>
Sub Button1_Click(sender As Object, e As EventArgs)
Response.Write("UniqueID is: " & button1.UniqueID)
End Sub
</script>
<form runat="server" >
<asp:Button ID="button1" OnClick="Button1_Click"
Text="Get UniqueID" runat="server" />
</form>
The demonstration >>
Control Standard Properties Reference