Display Users with Online Offline image in ASP.Net Membership

Here i have used the Dummy DataTable.

You can bind the Repeater from Database also.

Please refer this code

HTML

<asp:Repeater ID="Repeater1" runat="server">
    <HeaderTemplate>
        <table border="0" cellpadding="0" cellspacing="0">
            <tr>
                <th>
                    User ID
                </th>
                <th>
                    User Name
                </th>
                <th>
                    Status
                </th>
            </tr>
    </HeaderTemplate>
    <ItemTemplate>
        <tr>
            <td>
                <asp:Label ID="lblUserId" Text='<%# Eval("UserId") %>' runat="server" />
            </td>
            <td>
                <asp:Label ID="lblUserName" Text='<%# Eval("UserName") %>' runat="server" />
            </td>
            <td>
                <asp:Image ID="imgStatus" ImageUrl='<%# Convert.ToBoolean(Eval("IsOnline")) == true ? "green.png" : "red.png" %>'
                    runat="server" />
            </td>
        </tr>
    </ItemTemplate>
    <FooterTemplate>
        </table>
    </FooterTemplate>
</asp:Repeater>

Namespace

using System.Data;

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        DataTable dt = new DataTable();
        dt.Columns.AddRange(new DataColumn[3] { new DataColumn("UserId", typeof(int)),
                        new DataColumn("UserName", typeof(string)),
                        new DataColumn("IsOnline",typeof(bool)) });
        dt.Rows.Add(1, "John Hammond", 1);
        dt.Rows.Add(2, "Mudassar Khan", 1);
        dt.Rows.Add(3, "Suzanne Mathews", 0);
        dt.Rows.Add(4, "Robert Schidner", 1);
        Repeater1.DataSource =  dt;
        Repeater1.DataBind();
    }
}

Screenshot