private void txtCustomer_EditValueChanged(object sender, EventArgs e)

  {//当选择客户，自动带出客户的名称、联系人、联系电话

     //不给自己的EditValue赋值，参数setEditorValue＝false

     EditorBinding.SetEditorBindingValue(txtCustomer, txtCustomer.EditValue, false);

     //根据编号编号查询客户详细资料

     Customer customer = new bllCustomer().Find(txtCustomer.EditValue.ToString());

     //除sender外，给其它绑定的数据源及EditValue赋值，setEditorValue=true

     EditorBinding.SetEditorBindingValue(txtCustomerName, customer.CustomerName, true);

     EditorBinding.SetEditorBindingValue(txtCustomerAttn, customer.Attn, true);

     EditorBinding.SetEditorBindingValue(txtCustomerTel, customer.Tel, true);