Hi Snooker,
You have to add below css property in the listview3. I have created sample refer the below code.
clear: both;
HTML
<head runat="server">
<title></title>
<style type="text/css">
body
{
font-family: Arial;
font-size: 10pt;
}
table
{
border: 1px solid #ccc;
}
table th
{
background-color: #F7F7F7;
color: #333;
font-weight: bold;
}
table th, table td
{
padding: 5px;
border-color: #ccc;
}
.list1
{
float: left;
}
.list2
{
float: right;
}
.list3
{
clear: both;
float: left;
}
.list4
{
float: right;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div class="list1">
<asp:ListView ID="ListView1" runat="server" GroupPlaceholderID="groupPlaceHolder1"
ItemPlaceholderID="itemPlaceHolder1">
<LayoutTemplate>
<table cellpadding="0" cellspacing="0">
<tr>
<th>
CustomerId
</th>
<th>
ContactName
</th>
<th>
Country
</th>
</tr>
<asp:PlaceHolder runat="server" ID="groupPlaceHolder1"></asp:PlaceHolder>
<tr>
<td colspan="3">
</td>
</tr>
</table>
</LayoutTemplate>
<GroupTemplate>
<tr>
<asp:PlaceHolder runat="server" ID="itemPlaceHolder1"></asp:PlaceHolder>
</tr>
</GroupTemplate>
<ItemTemplate>
<td>
<%# Eval("CustomerId") %>
</td>
<td>
<%# Eval("ContactName") %>
</td>
<td>
<%# Eval("Country") %>
</td>
</ItemTemplate>
</asp:ListView>
</div>
<div class="list2">
<asp:ListView ID="ListView2" runat="server" GroupPlaceholderID="groupPlaceHolder1"
ItemPlaceholderID="itemPlaceHolder1">
<LayoutTemplate>
<table cellpadding="0" cellspacing="0">
<tr>
<th>
CustomerId
</th>
<th>
ContactName
</th>
<th>
Country
</th>
</tr>
<asp:PlaceHolder runat="server" ID="groupPlaceHolder1"></asp:PlaceHolder>
<tr>
<td colspan="3">
</td>
</tr>
</table>
</LayoutTemplate>
<GroupTemplate>
<tr>
<asp:PlaceHolder runat="server" ID="itemPlaceHolder1"></asp:PlaceHolder>
</tr>
</GroupTemplate>
<ItemTemplate>
<td>
<%# Eval("CustomerId") %>
</td>
<td>
<%# Eval("ContactName") %>
</td>
<td>
<%# Eval("Country") %>
</td>
</ItemTemplate>
</asp:ListView>
</div>
<div class="list3">
<asp:ListView ID="ListView3" runat="server" GroupPlaceholderID="groupPlaceHolder1"
ItemPlaceholderID="itemPlaceHolder1">
<LayoutTemplate>
<table cellpadding="0" cellspacing="0">
<tr>
<th>
CustomerId
</th>
<th>
ContactName
</th>
<th>
Country
</th>
</tr>
<asp:PlaceHolder runat="server" ID="groupPlaceHolder1"></asp:PlaceHolder>
<tr>
<td colspan="3">
</td>
</tr>
</table>
</LayoutTemplate>
<GroupTemplate>
<tr>
<asp:PlaceHolder runat="server" ID="itemPlaceHolder1"></asp:PlaceHolder>
</tr>
</GroupTemplate>
<ItemTemplate>
<td>
<%# Eval("CustomerId") %>
</td>
<td>
<%# Eval("ContactName") %>
</td>
<td>
<%# Eval("Country") %>
</td>
</ItemTemplate>
</asp:ListView>
</div>
<div class="list4">
<asp:ListView ID="ListView4" runat="server" GroupPlaceholderID="groupPlaceHolder1"
ItemPlaceholderID="itemPlaceHolder1">
<LayoutTemplate>
<table cellpadding="0" cellspacing="0">
<tr>
<th>
CustomerId
</th>
<th>
ContactName
</th>
<th>
Country
</th>
</tr>
<asp:PlaceHolder runat="server" ID="groupPlaceHolder1"></asp:PlaceHolder>
<tr>
<td colspan="3">
</td>
</tr>
</table>
</LayoutTemplate>
<GroupTemplate>
<tr>
<asp:PlaceHolder runat="server" ID="itemPlaceHolder1"></asp:PlaceHolder>
</tr>
</GroupTemplate>
<ItemTemplate>
<td>
<%# Eval("CustomerId") %>
</td>
<td>
<%# Eval("ContactName") %>
</td>
<td>
<%# Eval("Country") %>
</td>
</ItemTemplate>
</asp:ListView>
</div>
</form>
</body>
Code
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
DataTable dt1 = new DataTable();
dt1.Columns.AddRange(new DataColumn[3] { new DataColumn("CustomerId", typeof(int)),
new DataColumn("ContactName", typeof(string)),
new DataColumn("Country",typeof(string)) });
dt1.Rows.Add(1, "John Hammond", "United States");
ListView1.DataSource = dt1;
ListView1.DataBind();
DataTable dt2 = new DataTable();
dt2.Columns.AddRange(new DataColumn[3] { new DataColumn("CustomerId", typeof(int)),
new DataColumn("ContactName", typeof(string)),
new DataColumn("Country",typeof(string)) });
dt2.Rows.Add(2, "Mudassar Khan", "India");
ListView2.DataSource = dt2;
ListView2.DataBind();
DataTable dt3 = new DataTable();
dt3.Columns.AddRange(new DataColumn[3] { new DataColumn("CustomerId", typeof(int)),
new DataColumn("ContactName", typeof(string)),
new DataColumn("Country",typeof(string)) });
dt3.Rows.Add(3, "Suzanne Mathews", "France");
ListView3.DataSource = dt3;
ListView3.DataBind();
DataTable dt4 = new DataTable();
dt4.Columns.AddRange(new DataColumn[3] { new DataColumn("CustomerId", typeof(int)),
new DataColumn("ContactName", typeof(string)),
new DataColumn("Country",typeof(string)) });
dt4.Rows.Add(4, "Robert Schidner", "Russia");
ListView4.DataSource = dt4;
ListView4.DataBind();
}
}
Screenshot
