Dropdownlist - Dropdown Menu Item Color

I have a DropDownList on an ASP.NET page that gets populated by a SQL database.

<asp:DropDownList ID="ddlName" runat="server"></asp:DropDownList>

The population is down in the code behind file:

ddlName.DataSource = SqlDataSource1;
ddlName.DataValueField = (this.ddlName.SelectedValue);
ddlName.DataTextField = "ccName";
ddlName.DataBind();

I was wondering if it was possible to change the background or text color of an item in the list based on it's value? I just noticed that the example below works when the page first loads but on postback the text color disappears even though that is where the code is. Is there something I am missing?

protected override void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ddlName.DataSource = SqlDataSource5;
ddlName.DataValueField = (this.ddlName.SelectedValue);
ddlName.DataTextField = "ccName";
ddlName.DataBind();
foreach (ListItem item in ddlName.Items)
{
if (item.Value == "Item 1")
{
item.Attributes.Add("style", "color:red");
}
if (item.Value == "Item 2")
{
item.Attributes.Add("style", "color:red");
}
}
}
}