ManageUser.aspx

<%@ Page Title="" Language="C#" MasterPageFile="~/AdminMasterPage.master" AutoEventWireup="true" 
    CodeFile="ManageUser.aspx.cs" EnableEventValidation="false" Inherits="_Default" %>

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">

<section id="main-content">
	<section class="wrapper">
	<div class="form-w3layouts">
        <!-- page start-->
        <!-- page start-->
        <div class="row">
            <div class="col-lg-12">
                    <section class="panel">
                        <header class="panel-heading">
                            Manage Users Forms
                        </header>
                        <div class="panel-body">
                            <div class="position-center">
                                <form role="form">
                                <div class="form-group">
                                    <label for="exampleInputEmail1">Full Name</label>
                                    <asp:TextBox ID="TextBox1" runat="server"  class="form-control" placeholder="Enter email" ></asp:TextBox>
                                </div>
                                <div class="form-group">
                                    <label for="exampleInputEmail1">Email address</label>
                                    <asp:TextBox ID="TextBox2" runat="server"  class="form-control" placeholder="Enter email" ></asp:TextBox>
                                </div>
                                <div class="form-group">
                                    <label for="exampleInputPassword1">Password</label>
                                    <asp:TextBox ID="TextBox3" runat="server"  class="form-control" placeholder="Password"></asp:TextBox>
                                </div>
                                <asp:Button ID="Button1" runat="server" Text="Update" class="btn btn-info" 
                                    onclick="Button1_Click"></asp:Button>
                                 <div class="checkbox">
                                    <label>
                                        <asp:Literal ID="Literal1" runat="server"></asp:Literal>
                                    </label>
                                </div>

                                    <asp:GridView ID="GridView1" runat="server" CellPadding="4" 
                                        onselectedindexchanged="GridView1_SelectedIndexChanged" BackColor="White" 
                                        BorderColor="#3366CC" BorderStyle="None" BorderWidth="1px">
                                        <Columns>
                                            <asp:TemplateField HeaderText="Delete">
                                                <ItemTemplate>
                                                    <asp:Button ID="Button2" runat="server" CommandArgument='<%# Eval("id") %>' 
                                                        onclick="Button2_Click" Text="Delete" />
                                                </ItemTemplate>
                                            </asp:TemplateField>
                                            <asp:TemplateField HeaderText="Edit">
                                                <ItemTemplate>
                                                    <asp:Button ID="Button3" runat="server"  CommandArgument='<%# Eval("id") %>'
                                                     Text="Edit"  onclick="Button3_Click" />
                                                </ItemTemplate>
                                            </asp:TemplateField>
                                        </Columns>
                                        <FooterStyle BackColor="#99CCCC" ForeColor="#003399" />
                                        <HeaderStyle BackColor="#003399" Font-Bold="True" ForeColor="#CCCCFF" />
                                        <PagerStyle BackColor="#99CCCC" ForeColor="#003399" HorizontalAlign="Left" />
                                        <RowStyle BackColor="White" ForeColor="#003399" />
                                        <SelectedRowStyle BackColor="#009999" Font-Bold="True" ForeColor="#CCFF99" />
                                        <SortedAscendingCellStyle BackColor="#EDF6F6" />
                                        <SortedAscendingHeaderStyle BackColor="#0D4AC4" />
                                        <SortedDescendingCellStyle BackColor="#D6DFDF" />
                                        <SortedDescendingHeaderStyle BackColor="#002876" />
                                    </asp:GridView>
                                        <AlternatingRowStyle BackColor="#F7F7F7" />
                                        <FooterStyle BackColor="#B5C7DE" ForeColor="#4A3C8C" />
                                        <HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" />
                                        <PagerStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" HorizontalAlign="Right" />
                                        <RowStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" />
                                        <SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="#F7F7F7" />
                                        <SortedAscendingCellStyle BackColor="#F4F4FD" />
                                        <SortedAscendingHeaderStyle BackColor="#5A4C9D" />
                                        <SortedDescendingCellStyle BackColor="#D8D8F0" />
                                        <SortedDescendingHeaderStyle BackColor="#3E3277" />
                                    </asp:GridView>
                                </div>
                            </form>
                            </div>

                        </div>
                    </section>

            </div>
        </div>
         <!-- page end-->
        </div>
</section>

</asp:Content>