private void btnAdd_Click(object sender, EventArgs e) { if (txtCarNo.Text == "") { MessageBox.Show("卡号不允许为空!", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } //if (txtCarNumber.Text == "") //{ // MessageBox.Show("车牌号不允许为空!", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error); // return; //} //if (txtDriver.Text == "") //{ // MessageBox.Show("驾驶员姓名不允许为空!", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error); // return; //} //if (txtTare.Text == "") //{ // MessageBox.Show("汽车皮重不允许为空!", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error); // return; //} if (cmbContractNo.Text == "") { MessageBox.Show("合同编号不允许为空!", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } if (txtBzWeight.Text == "") { MessageBox.Show("标准载重不允许为空!", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } string str = "select * from CarManage where cm_szqy = '" + ConnectionManger.G_MineArea + "' and cm_kcode = '" + txtCarNo.Text + "'"; if (SQLHelper.IsPriExist(str)) { MessageBox.Show("该卡号已录入过车辆信息!", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { try { //DataTable dtkh = select.select_CarManage_kh(txtCarNo.Text); //if (dtkh.Rows.Count > 0) //{ //} str = "Insert into CarManage(cm_kcode,cm_carnumber,cm_jsy,cm_szqy,cn_code,cm_bzweight,cm_homeunit,cm_runsign) values('" + txtCarNo.Text + "','" + txtCarNumber.Text + "','" + txtDriver.Text + "','" + ConnectionManger.G_MineArea + "','" + cmbContractNo.Text + "','" + txtBzWeight.Text + "','" + cmbHomeUnit.Text + "','" + comboBox1.Text + "')"; SQLHelper.ExecuteNonQuery(CommandType.Text, str, null); } catch { MessageBox.Show("请检查所填数据是否合法!", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error); } finally { this.Close(); } } }