ASPX
<asp:ScriptManager ID="ScriptManager1" runat="server" /> <div id="Container"> <asp:UpdatePanel runat="server" ID="UpdatePanel1"
OnLoad="UpdatePanel1_Load"> <ContentTemplate>
<asp:Repeater runat="server" ID="rpt"></asp:Repeater> </ContentTemplate> </asp:UpdatePanel>
<input type="text" id="Container" onkeyup='update(document.getElementById("Container").value)'>
JS
function update(args)
{
__doPostBack('UpdatePanel1', args);
}
C #
protected void UpdatePanel1_Load(object sender, EventArgs e)
{
//bind reapeter
}