Boostrap Is Not Worked Proprly When I Sink Window In Asp.Net

 <%@ Page Title="" Language="C#" MasterPageFile="~/AdminMaster.master" AutoEventWireup="true" CodeFile="MCompany.aspx.cs" Inherits="MCompany" %>
 
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
        <div id="Header"> 
       <div class="row">
   
       <div class="col-sm-6">
            <h2 style="font-family:'Times New Roman'">Company Details</h2>
        </div>
          </div>
       </div>
        <br />
    <br/>
   <div class="container" style="margin-removed-60px;">
             <div class="row" >
                 <div class="form-Horizontal">
                     <div class="form-group">
                         <div class="col-xs-2 ">
                             <asp:Label ID="Label1" runat="server" Text="ID" Font-Names="Times New Roman"></asp:Label>
                         </div>
                     <div class="col-xs-2">
                         <asp:TextBox ID="TxtCmpId" Class="form-control sm" runat="server" ReadOnly="True"></asp:TextBox>
                     </div>
                        <br />
                         <br />
                         <div class="col-xs-2">
                             <asp:Label ID="Label2" runat="server" Text="Name" Font-Names="Times New Roman"></asp:Label>
                         </div>
                     <div class="col-xs-3">
                         <asp:TextBox ID="TxtCmpName" Class="form-control sm" runat="server" ></asp:TextBox>
                     </div>
                        <br />
                         <br />
                         <div class="col-xs-2 ">
                             <asp:Label ID="Label3" runat="server" Text="Address" Font-Names="Times New Roman"></asp:Label>
                         </div>
                     <div class="col-xs-3">
                         <asp:TextBox ID="TxtCmpAddress" Class="form-control sm" runat="server" TextMode="MultiLine" ></asp:TextBox>
                     </div>
                         <br />
                         <br />
                        <br />
                         
                         <div class="col-xs-2 ">
                             <asp:Label ID="Label4" runat="server" Text="City" Font-Names="Times New Roman"></asp:Label>
                         </div>
                     <div class="col-xs-3">
                         <asp:DropDownList ID="DropDownList2" runat="server" >
                             <asp:ListItem Value="0">---------</asp:ListItem>
                             <asp:ListItem Value="1">Pune</asp:ListItem>
                             <asp:ListItem Value="2">Mumbai</asp:ListItem>
                             <asp:ListItem Value="3">Nasik</asp:ListItem>
                             <asp:ListItem Value="4">Jalgaon</asp:ListItem>
                             <asp:ListItem Value="5">Dhule</asp:ListItem>
                         </asp:DropDownList>
                     </div>
                       
                           <br />
                        <br />
                         
                         <div class="col-xs-2">
                             <asp:Label ID="Label5" runat="server" Text="Vat Tin No" Font-Names="Times New Roman"></asp:Label>
                         </div>
                     <div class="col-xs-3">
                         <asp:TextBox ID="TxtVat" Class="form-control sm" runat="server"></asp:TextBox>
                     </div>
                           <br />
                        <br />
                         
                         <div class="col-xs-2 " >
                             <asp:Label ID="Label6" runat="server" Text="Service Tax No" Font-Names="Times New Roman"></asp:Label>
                         </div>
                     <div class="col-xs-3">
                         <asp:TextBox ID="TxtSt" Class="form-control sm" runat="server" ></asp:TextBox>
                     </div>
                         <br />
                         <br />
        <div class="col-md-6" > 
        <div class="form-inline" >
        <div class="controls-row" >
           <asp:Label ID="Label11" runat="server" Text="Active Status" Font-Names="Times New Roman"></asp:Label>
           <div class="radio">
      <label><input id="Radio1" type="radio" runat="server" name="optradio" style="margin-left:50px" checked="">Yes</label>
    </div>
    <div class="radio">
      <label><input id="Radio2" type="radio" runat="server" name="optradio">No</label>
    </div>
    </div>  
        <br />
       <br />              
     </div>   
 
</div>        
                          </div> 
                          </div>
    </div>
        </div>
        <div style="margin-removed50px">
     <asp:Button ID="BtnSubmit" runat="server" Text="Submit" class="btn btn-default btn-lg" Style="background-color:#523141; color:white; " />
       </div>
                
</asp:Content>

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
     <script src="http://code.jquery.com/ui/1.11.0/jquery-ui.js"></script>  
    <script src="js/fliplightbox.min.js" ></script>
    
   <link rel="stylesheet" href="http://code.jquery.com/ui/1.11.0/themes/smoothness/jquery-ui.css"/>
   <script src="http://code.jquery.com/jquery-1.10.2.js"></script>
   <script src="http://code.jquery.com/ui/1.11.0/jquery-ui.js"></script>
   
    
      <link rel="stylesheet" href="/resources/demos/style.css"/>
      <link href="css/bootstrap.min.css" rel="stylesheet"/