private void setComboBox()
{
cbxWorkMan.DataSource = eLogic.InitComboBox(2);
cbxWorkMan.DisplayMember = "经办人";
cbxWorkMan.Text = "";
cbxWorkMan.SelectedIndex = -1;
cbxContactMan.DataSource = eLogic.InitComboBox(1);
cbxContactMan.DisplayMember = "联系人";
cbxContactMan.Text = "";
cbxContactMan.SelectedIndex = -1;
cbxPostCode.DataSource = eLogic.InitComboBox(3);
cbxPostCode.DisplayMember = "邮编";
cbxPostCode.Text = "";
cbxPostCode.SelectedIndex = -1;
cbxNO.DataSource = eLogic.SearchAll_NO();
cbxNO.DisplayMember = "no";
cbxNO.Text = "";
cbxNO.SelectedIndex = -1;
}