how to get gridview label value in javascript?

Question

How to get lable(hidden) value from gridview using javascrip?

 

here's the code: 

 

<asp:TemplateField HeaderText="Close Date (M-DD-YY)">

<ItemTemplate >

<asp:Label ID="txtDistCd" runat="server" Text='<%#Eval("dist_cd") %>' Visible="False" />

<asp:Label ID="lblStartDt" runat="server" Text='<%#Eval("start_date") %>' Visible="False" />

<asp:TextBox ID="txtCloseDate" runat="server" Width="80px" Text='<%#Eval("close_date", "{0:MM-dd-yyyy}")%>'></asp:TextBox>

<cc1:CalendarExtender ID="CalendarExtender2" runat="server" TargetControlID="txtCloseDate"

OnClientDateSelectionChanged ="CheckForBackDate"

OnClientShown="ChangeCalendarView" PopupButtonID="imgStartDate" Format="dd-MM-yyyy" >

</cc1:CalendarExtender>

<asp:ImageButton ID="imgStartDate" runat="server" ImageUrl="~/images/calender.jpg"

Width="20px" />

</ItemTemplate>

</asp:TemplateField>