Gridview edit delete aspx page

Default.aspx page:
<asp:GridView ID="gvdisplay" runat="server" OnRowCommand="gvdisplay_Click" AutoGenerateColumns="false">
        <Columns>
            <asp:BoundField HeaderText="Doctor_Id" DataField="Doctor_ID" />
            <asp:BoundField HeaderText="Name" DataField="Name" />
            <asp:BoundField HeaderText="Specialisation" DataField="Specialisation" />
            <asp:BoundField HeaderText="Phonenumber" DataField="Phonenumber" />
            <asp:BoundField HeaderText="Email_Id" DataField="Email_ID" />
            <asp:BoundField HeaderText="City" DataField="City" />
            <asp:BoundField HeaderText="State" DataField="State" />
            <asp:BoundField HeaderText="Country" DataField="Country" />
            <asp:BoundField HeaderText="Gender" DataField="Gender" />
            <asp:TemplateField HeaderText="Select Action">
                <ItemTemplate>
                    <asp:LinkButton ID="lnkedit" runat="server" CommandArgument='<%#Bind("Doctor_Id") %>'
                        CommandName="Eedit">edit</asp:LinkButton>
                    <asp:LinkButton ID="lnkdelete" runat="server" CommandArgument='<%#Bind("Doctor_Id") %>'
                        CommandName="Edelete">Delete</asp:LinkButton>
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
    </asp:GridView>
    <asp:Panel ID="updatepnl" runat="server" Visible="false">
        <table>
            <tr>
                <td>
                    <asp:Label ID="lbldoctorid" runat="server" Text="Doctor id"></asp:Label>
                </td>
                <td>
                    <asp:TextBox ID="txtdoctorid" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                    <asp:Label ID="lblname" runat="server" Text="Name"></asp:Label>
                </td>
                <td>
                    <asp:TextBox ID="txtname" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                    <asp:Label ID="lblspecialisation" runat="server" Text="Specialisation"></asp:Label>
                </td>
                <td>
                    <asp:TextBox ID="txtspecialisation" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                    <asp:Label ID="lblphonenumber" runat="server" Text="phonenumber"></asp:Label>
                </td>
                <td>
                    <asp:TextBox ID="txtphonenumber" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                    <asp:Label ID="lblemail" runat="server" Text="Email"></asp:Label>
                </td>
                <td>
                    <asp:TextBox ID="txtemail" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                    <asp:Label ID="lblcity" runat="server" Text="City"></asp:Label>
                </td>
                <td>
                    <asp:TextBox ID="txtcity" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                    <asp:Label ID="lblstate" runat="server" Text="State"></asp:Label>
                </td>
                <td>
                    <asp:TextBox ID="txtstate" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                    <asp:Label ID="lblcountry" runat="server" Text="Country"></asp:Label>
                </td>
                <td>
                    <asp:TextBox ID="txtcountry" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                    <asp:Label ID="lblgender" runat="server" Text="Gender"></asp:Label>
                </td>
                <td>
                    <asp:TextBox ID="txtgender" runat="server"></asp:TextBox>
                </td>
            </tr>
        </table>
    </asp:Panel>