如何获取java-script或jquery中的网格视图标签值？

<asp:GridView ID="GVPurchaseRequest">

  <asp:TemplateField HeaderStyle-HorizontalAlign="Center"  HeaderText="Select">
    <ItemTemplate>
      <asp:Label ID="lblCheckStatus" runat="server" Text='<%# Eval("CheckStatus")%>' style="display:none"></asp:Label>
      <asp:Label ID="lblLevelAdded" runat="server" Text='<%# Eval("LevelAdded")%>' style="display:none"></asp:Label>
      <asp:Label ID="lblAdded_UserID" runat="server" Text='<%# Eval("Added_UserID")%>' style="display:none"></asp:Label>
      <asp:Label ID="lblEjectLevel" runat="server" Text='<%# Eval("LevelEjected")%>' style="display:none"></asp:Label>
      <asp:Label ID="lblCheckReturnStatus" runat="server" Text='<%# Eval("CheckReturnStatus")%>' style="display:none"></asp:Label>
      <asp:Label ID="lbl_status" runat="server" Text='<%# Eval("status")%>'></asp:Label> 
      <asp:CheckBox ID="chkPRID" runat="server" Checked="true" OnClientclick="javascript: return test();"  />      
      <asp:Label ID="lblConPo" runat="server" Text='<%# Eval("Con_To_PO")%>' style="display:none"></asp:Label>                                                                     
      <asp:Label ID="lblConPoF" runat="server" Text="0" style="display:none"></asp:Label>
      <asp:Label ID="lblPR_ID" runat="server" Text='<%# Eval("PR_ID")%>' style="display:none"></asp:Label>
      <asp:Label ID="lblrowIDnd" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "ID") %>' Style="display:none"></asp:Label>
      <asp:Label ID="lblPR_IDF" runat="server" Text="0" style="display:none"></asp:Label>                                                                                                                                                         <asp:ImageButton ID="btnDelGV" runat="server" CommandArgument='<%#Bind("ID") %>' ToolTip="Delete" AlternateText="Delete" CommandName="Delete" ImageUrl="~/Images/Delete_24x24.png" OnClientClick="javascript:return deletePartNo();"></asp:ImageButton>                                                                        </ItemTemplate>
    </asp:DataGrid>
<asp:GridView ID="GVPurchaseRequest">

  <asp:T