private void ctOptrType_Click(object sender, EventArgs e) { //除了All类型用户,其他用户直接显示它的类型 if (UserStatics.OptrType == "All") { ctOptrType.DataSource = UserStatics.GetUserTypes(UserStatics.OptrId); ctOptrType.DisplayMember = "Name"; } else { ctOptrType.Text = UserStatics.OptrType; } }