Problem to bind first value in ItemTemplate of repeater using MaskedEditExtender

i am using repeater control under repeater bind textbox and its value is time format then i am using MaskedEditExtender for time format when ever first data bind then javascript error occured





This is my aspx page code:
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Mask="99.99" TargetControlID="txtTimeFrom" runat="server">

Mask="99.99" TargetControlID="TxtTimeTo" runat="server">

 
 


My CS Code:-
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 DataTable dt = new DataTable();
  dt.Columns.Add("date", typeof(String));
  dt.Columns.Add("starttime", typeof(String));
  dt.Columns.Add("endtime", typeof(String));
 
  DataRow r ;
  r = dt.NewRow();
  r["date"] = "sunday";
  r["starttime"] = "10:00 AM";
  r["endtime"] = "12:00 AM";
  dt.Rows.Add(r);

  r = dt.NewRow();
  r["date"] = "Monday";
  r["starttime"] = "01:00 AM";
  r["endtime"] = "03:00 AM";
  dt.Rows.Add(r);

  r = dt.NewRow();
  r["date"] = "Tuesday";
  r["starttime"] = "05:00 AM";
  r["endtime"] = "06:00 AM";
  dt.Rows.Add(r);
 
  rptTime.DataSource = dt;
  rptTime.DataBind();