protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
UserInfoHelper helper = new UserInfoHelper();
ddlDept.DataSource = helper.GetDeptList();
ddlDept.DataBind();
ddlUsers.DataSource = helper.GetCFUserList(ddlDept.SelectedValue);
ddlUsers.DataBind();
}
}