<ItemTemplate>
   <asp:LinkButton ID="btnEdit" runat="server">Edit</asp:LinkButton>
   </ItemTemplate>
</asp:TemplateField>
Which will open a modal form, immediately after that the grid is refreshed in the background and collects items. I want the grid to remain in the view summary it was before the button was clicked.
<script type="text/javascript">
     $("body").on("click", "[src*=plus-square]", function () {
         $("[src*=dash-square]").each(function () {
             $(this).trigger('click');
         });
         $(this).closest("tr").after("<tr><td></td><td colspan ='999'>" + $(this).next().html() + "</td></tr>")
         $(this).attr("src", "src/dash-square.svg");
     });
     $("body").on("click", "[src*=dash-square]", function () {
         $(this).attr("src", "src/plus-square.svg");
         $(this).closest("tr").next().remove();
     });
 </script> 
 <div class="container"> 
     <div class="messagealert" id="alert_container"></div>
     <div style="width: contain; overflow-x: auto;"> 
         <asp:GridView
             ID="myDataTable"
             DataKeyNames="DOWO_ID"
             runat="server"
             Style="width: 100%"
             CssClass="table table-hover table-striped"
             GridLines="None"
             AllowPaging="True"
             AllowSorting="True"
             AutoGenerateColumns="False"
             OnRowDataBound="myDataTable_RowDataBound">
             <Columns>
                 <asp:TemplateField>
                     <ItemTemplate>
                         <img alt="" style="cursor: pointer" src="src/plus-square.svg" />
                         <asp:Panel ID="pnlOrders" runat="server" style="display: none;">
                                     <asp:GridView
                                         ID="myOrders"
                                         DataKeyNames="DOWOI_ID"
                                         runat="server"
                                         Style="width: 100%"
                                         CssClass="table table-hover table-striped"
                                         GridLines="None"
                                         AllowPaging="False"
                                         AllowSorting="True"
                                         AutoGenerateColumns="False">
                                         <Columns>
                                             <asp:BoundField DataField="DOWOI_ID" HeaderText="ID" />
                                             <asp:BoundField DataField="DOWO_ID" HeaderText="ID St"/>
                                             <asp:BoundField DataField="DOWOI_Order" HeaderText="Order" />
                                             <asp:TemplateField ItemStyle-VerticalAlign="Middle">
                                                 <ItemTemplate>
                                                     <asp:LinkButton ID="btnEdit" runat="server">Otvori</asp:LinkButton>
                                                 </ItemTemplate>
                                             </asp:TemplateField>
                                         </Columns>
                                         <RowStyle CssClass="cursor-pointer" VerticalAlign="Middle" />
                                     </asp:GridView> 
                         </asp:Panel>
                     </ItemTemplate>
                 </asp:TemplateField> 
                 <asp:BoundField DataField="DOWO_ID" HeaderText="ID" SortExpression="DOWO_ID" />
                 <asp:BoundField DataField="DOWO_BarCode" HeaderText="Barcode" SortExpression="DOWO_BarCode" />
             </Columns>
             <PagerSettings Mode="NumericFirstLast" />
             <RowStyle CssClass="cursor-pointer" VerticalAlign="Middle" />
             <SortedAscendingHeaderStyle CssClass="bi bi-sort-up" />
             <SortedDescendingHeaderStyle CssClass="bi bi-sort-down" />
         </asp:GridView> 
     </div> 
     <div id="myModal" class="modal fade" data-backdrop="static">
         <div class="modal-dialog">
             <div class="modal-content">
                 <div class="modal-header"></div>
                 <div class="modal-body">
                     <table>
                         <tr>
                             <td>
                                 <div class="input-group input-group-sm">
                                    .... 
                                 </div>
                             </td>
                         </tr>
                     </table>
                 </div>
                 <div class="modal-footer">
                     <button id="btnCloseModal" type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                     <button type="button" class="btn btn-primary">Save Changes</button>
                 </div>
             </div>
         </div>
     </div>
 </div>