private void BindTeam() { cboxTeam.Items.Clear(); cboxTeam2.Items.Clear(); teamMemList.Clear(); var list = GlobalVariable.GetTeamChatList(); foreach (ChatStore item in list) { cboxTeam.Items.Add(item); cboxTeam2.Items.Add(item); } cboxTeam.DisplayMember = "ChatDisplayName"; cboxTeam.ValueMember = "ChatUserName"; cboxTeam2.DisplayMember = "ChatDisplayName"; cboxTeam2.ValueMember = "ChatUserName"; if (cboxTeam.Items.Count > 0) { cboxTeam.SelectedIndex = 0; } if (cboxTeam2.Items.Count > 0) { cboxTeam2.SelectedIndex = 0; } }