asp.net - Edit template not displaying -


i have gridview has item template , edit template. problem is, whenever click edit button, edit templates don't show up.

here page code:

 <asp:gridview              id="routesgridview"              runat="server"              cssclass="table table-striped table-hover"             gridlines="none"             autogeneratecolumns="false"              datakeynames="routeid,locationid,concurrencyid"              allowpaging="true"             emptydatatext="no information retrieved">             <columns>                 <asp:templatefield visible="false">                     <edititemtemplate>                         <asp:label id="routeidlb" runat="server" text='<%# bind("routeid") %>'></asp:label>                     </edititemtemplate>                     <itemtemplate>                         <asp:label id="routeidlb" runat="server" text='<%# bind("routeid") %>'></asp:label>                     </itemtemplate>                 </asp:templatefield>                 <asp:templatefield headertext="name" sortexpression="name">                     <edititemtemplate>                         <asp:textbox id="nametb" runat="server" text='<%# bind("name") %>'></asp:textbox>                     </edititemtemplate>                     <itemtemplate>                         <asp:label id="namelb" runat="server" text='<%# bind("name") %>'></asp:label>                     </itemtemplate>                 </asp:templatefield>                 <asp:templatefield headertext="description" sortexpression="description" >                     <edititemtemplate>                         <asp:textbox id="descriptiontb" runat="server" text='<%# bind("description") %>'></asp:textbox>                     </edititemtemplate>                     <itemtemplate>                         <asp:label id="descriptionlb" runat="server" text='<%# bind("description") %>'></asp:label>                     </itemtemplate>                 </asp:templatefield>                                    <asp:templatefield headertext="time zone" sortexpression="timezonecode">                     <edititemtemplate>                         <asp:dropdownlist id="timezoneddl" runat="server" datasource="<%# gettimezones() %>" appenddatabounditems="true" datatextfield="timezonecode" datavaluefield="timezoneid" selectedvalue='<%# bind("timezoneid") %>'>                         </asp:dropdownlist>                     </edititemtemplate>                     <itemtemplate>                         <asp:label id="label2" runat="server" text='<%# bind("timezonecode") %>'></asp:label>                     </itemtemplate>                 </asp:templatefield>                 <asp:templatefield headertext="is active" sortexpression="isactive" headerstyle-cssclass="textcenteralign" itemstyle-cssclass="textcenteralign">                     <edititemtemplate>                         <asp:checkbox id="isactivecb" runat="server" checked='<%# bind("isactive") %>' />                     </edititemtemplate>                     <itemtemplate>                         <%# iif(eval("isactive").equals(true), "<i class='icon-ok'></i>", " ")%>                                      </itemtemplate>                 </asp:templatefield>                 <asp:templatefield headertext="is deleted" sortexpression="isdeleted" headerstyle-cssclass="textcenteralign" itemstyle-cssclass="textcenteralign">                     <edititemtemplate>                         <asp:checkbox id="isdeletedcb" runat="server" checked='<%# bind("isdeleted") %>' enabled="false" />                     </edititemtemplate>                     <itemtemplate>                         <%# iif(eval("isdeleted").equals(true), "<i class='icon-ok'></i>", " ")%>                                          </itemtemplate>                 </asp:templatefield>                 <asp:templatefield headertext="actions" itemstyle-cssclass="actions">                     <edititemtemplate>                         <asp:linkbutton id="savebutton" runat="server" cssclass="btn btn-mini btn-primary hiddenbutton" commandname="update" visible="true" enabled="true" tooltip="save pending changes" commandargument='<%# ctype(container, gridviewrow).rowindex %>'><i class="icon-ok icon-white"></i>save</asp:linkbutton>                         <asp:linkbutton id="cancelbutton" runat="server" cssclass="btn btn-mini btn-danger hiddenbutton" commandname="cancel" visible="true" enabled="true" tooltip="cancel pending changes" commandargument='<%# ctype(container, gridviewrow).rowindex %>'><i class="icon-ban-circle icon-white"></i>cancel</asp:linkbutton>                     </edititemtemplate>                     <itemtemplate>                         <asp:linkbutton id="editbutton" runat="server" cssclass="btn btn-mini btn-primary hiddenbutton" commandname="edit" visible="true" enabled="true" tooltip="edit entry" commandargument='<%# ctype(container, gridviewrow).rowindex %>'><i class="icon-edit icon-white"></i>edit</asp:linkbutton>                         <asp:linkbutton id="deletebutton" runat="server" cssclass="btn btn-mini btn-danger hiddenbutton" commandname="delete" visible="true" enabled="true" tooltip="delete entry" commandargument='<%# ctype(container, gridviewrow).rowindex %>' onclientclick='return confirm("are want delete entry?");'><i class="icon-trash icon-white"></i>delete</asp:linkbutton>                     </itemtemplate>                 </asp:templatefield>             </columns>         </asp:gridview>

vb code behind:

 protected sub routesgridview_rowediting(byval sender system.object, byval e gridviewediteventargs) handles routesgridview.rowediting     dim gv gridview = ctype(sender, gridview)     dim row gridviewrow = gv.rows(e.neweditindex)     dim routeid integer = cint(ctype(row.findcontrol("routeidlb"), label).text)     _route = routemanager.getitem(routeid, _dftidentity)     gv.editindex = e.neweditindex     routesgridview_databind() end sub  protected sub routesgridview_rowcancelingedit(byval sender system.object, byval e gridviewcancelediteventargs) handles routesgridview.rowcancelingedit     _route = nothing     routesgridview.editindex = -1     routesgridview_databind() end sub  protected sub routesgridview_rowupdating(byval sender system.object, byval e system.web.ui.webcontrols.gridviewupdateeventargs) handles routesgridview.rowupdating     try         dim gv gridview = ctype(sender, gridview)         dim row gridviewrow = gv.rows(e.rowindex)         _route             .name = ctype(row.findcontrol("nametb"), textbox).text             .timezoneid = ctype(row.findcontrol("timezoneddl"), dropdownlist).selectedvalue             .isactive = ctype(row.findcontrol("isactivecb"), checkbox).checked         end         routemanager.update(_route, _dftidentity)         _route = nothing         gv.editindex = -1         routesgridview_databind()     catch ex exception         processexception(ex)     end try end sub

you need change grid edit form property auto template


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