public override void DataBind()
{
this.Items.Clear();
if (this.AllowNull)
{
base.Items.Add(new ListItem(this.NullToDisplay, string.Empty));
}
foreach (AgentGradeInfo info in VShopHelper.GetAgentGradeInfos())
{
this.Items.Add(new ListItem(Globals.HtmlDecode(info.AgentGradeName), info.AgentGradeId.ToString()));
}
}