private void btnCreateIdoc_Click(object sender, EventArgs e) { m_SapSystemName = this.cboxSystemList1.Text.Trim(); m_IdocType = this.txtIdocType.Text; m_IdocEnhanceMent = this.txtEnhancement.Text; if (string.IsNullOrEmpty(m_SapSystemName)) { MessageBox.Show("请选择SAP系统"); return; } if (string.IsNullOrEmpty(m_IdocType)) { MessageBox.Show("请选择Idoc类型"); return; } SAPConnection connection = new SAPConnection(m_SapSystemName); Idoc = connection.CreateIdoc(m_IdocType, m_IdocEnhanceMent); IdocToTreeControl(); }