How to devide aspx page on 2 parts in asp.net

Question

 

Hi Frnds

this is my aspx page

this control showing parlally.i want this page devide on 2 parts like

1 Delivery mode - left side

2 Letter type -right side

3 User Type left side

4 from whom left side

again repeat all control same type like 5 left 6 right

how to do this on this page

 

 

<div class="row">

<div class="form_add_new" id="trDeliveryMode" runat="server">

<div class="row form-group">

<label class="col-md-2 col-xs-12" for="<%=ddlDeliveryMode.ClientID %>">

Delivery Mode<span class="redtext">* </span>

</label>

<div class="col-md-6 col-xs-12">

<asp:DropDownList ID="ddlDeliveryMode" CssClass="form-control" runat="server" AutoPostBack="true">

</asp:DropDownList>

</div>

</div>

</div>

<div class="form_add_new" id="Div7" runat="server">

<div class="row form-group">

<label class="col-md-2 col-xs-12" for="<%=TxtUserType.ClientID %>">

User Type<span class="redtext">* </span>:

</label>

<div class="col-md-6 col-xs-12">

<asp:TextBox ID="TxtUserType" runat="server" CssClass="form-control"></asp:TextBox>

</div>

</div>

</div>

<div class="form_add_new" id="trLtrType" runat="server">

<div class="row form-group">

<label class="col-md-2 col-xs-12" for="<%=ddlLetterType.ClientID %>">

Letter Type<span class="redtext">* </span>

</label>

<div class="col-md-6 col-xs-12">

<asp:DropDownList ID="ddlLetterType" CssClass="form-control" runat="server" AutoPostBack="true">

</asp:DropDownList>

</div>

</div>

</div>

<div class="form_add_new">

<div class="row form-group">

<label class="col-md-2 col-xs-12" for="<%=ddlFromWhom.ClientID %>">

From Whom<span class="redtext">* </span>:</label>

<div class="col-md-6 col-xs-12">

<asp:DropDownList ID="ddlFromWhom" CssClass="form-control" runat="server" AutoPostBack="True"

CausesValidation="false">

</asp:DropDownList>

</div>

</div>

</div>