private void BindUser() { //bind Products DDCLUser.DataSource = svr.GetUser(); DDCLUser.DataTextField = "UserName"; DDCLUser.DataValueField = "UserID"; DDCLUser.DataBind(); //bind action partispate person var Users = svr.GetJoinUsers(long.Parse(hidID.Value)); foreach (var p in Users) { foreach (ListItem item in DDCLUser.Items) { //从数据库查出绑定,或者新建时,默认选中录入人 if (item.Value == p.ACTUser.ToString() || (hidID.Value == "0" && item.Value == base.LoginUserID.ToString())) { item.Selected = true; } } } }