public void Add(string reception, string state) { CommDB mydb = new CommDB(); string mysql = "SELECT 本月业务积分 FROM [Workers] WHERE 姓名='" + reception + "'"; float month = float.Parse(mydb.Returnafield(mysql)); month += standard(state); mysql = "SELECT 累计业务积分 FROM [Workers] WHERE 姓名='" + reception + "'"; float sum = float.Parse(mydb.Returnafield(mysql)); sum += standard(state); mysql = string.Format("UPDATE [Workers] SET 本月业务积分='{0}',累计业务积分='{1}' WHERE 姓名='{2}'", month, sum, reception); mydb.ExecuteNonQuery(mysql); }
private void btnyes_Click(object sender, EventArgs e) { string userName = txtName.Text; string password = txtPwd.Text; CommDB mydb = new CommDB(); string mystr; mystr = string.Format("select * from [User] where Username='******' and Password='******'", userName, password); try { int i = mydb.Rownum(mystr); if (i == 0) { MessageBox.Show("您输入的用户名或密码错误!请重试", "登录失败", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); txtPwd.Text = ""; return; } else { string mysql = string.Format("SELECT Level FROM [User] WHERE Username='******' AND Password='******'", userName, password); string level = mydb.Returnafield(mysql); this.Hide(); Form myform = new Main(level); myform.BackColor = System.Drawing.SystemColors.GradientInactiveCaption; myform.ShowDialog(); } } catch (Exception ex) { MessageBox.Show(ex.Message, "操作数据库出错!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } }
private void 择此家教ToolStripMenuItem_Click(object sender, EventArgs e) { try { num1 = dgv_inquire.SelectedRows[0].Cells[2].Value.ToString(); string mysql = "SELECT 是否黑名单 FROM [Tutors] WHERE 教员编号='" + num1 + "'"; CommDB mydb = new CommDB(); string flag = mydb.Returnafield(mysql); if (flag == "是") { MessageBox.Show("此教员已被列入黑名单!请重新选择!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } else { name1 = dgv_inquire.SelectedRows[0].Cells[3].Value.ToString(); UpDate3(num1, name1); this.Close(); } } catch (Exception ex) { MessageBox.Show(ex.Message, "操作数据库出错!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } CmbDataGridview cmbd = new CmbDataGridview(); }
/* private void cbo_state_SelectedIndexChanged(object sender, EventArgs e) * { * cbo_tutors_state.SelectedItem = cbo_state.SelectedItem; * * }*/ private void cbo_tutors_num_SelectedIndexChanged(object sender, EventArgs e) { if (flag2 == true) { tutors_num1 = cbo_tutors_num.Text.Trim(); if (tutors_num1 == "") { txt_tutors_name.Text = ""; return; } else { string mysql = "SELECT 姓名 FROM [Tutors] WHERE 教员编号 = '" + tutors_num1 + "'"; tutors_name1 = mydb.Returnafield(mysql); mysql = string.Format("SELECT * FROM [Parents-Tutors] WHERE 打印编号='{0}' AND 教员编号='{1}'", print_num1, tutors_num1); int i = mydb.Rownum(mysql); if (i > 0) { mysql = string.Format("SELECT ID FROM [Parents-Tutors] WHERE ID=" + "(SELECT MAX(ID) FROM [Parents-Tutors] WHERE 打印编号='{0}' AND 教员编号='{1}')", print_num1, tutors_num1); ID = mydb.Returnafield(mysql); txt_tutors_name.Text = tutors_name1; mysql = "SELECT 经办状态 FROM [Parents-Tutors] WHERE ID= '" + ID + "'"; state1 = mydb.Returnafield(mysql); string[] state = state1.Split(' '); cbo_state.SelectedItem = state.Last(); tempstate = state.Last(); mysql = "SELECT 经办人 FROM [Parents-Tutors] WHERE ID= '" + ID + "'"; principal1 = mydb.Returnafield(mysql); mysql = "SELECT 经办时间 FROM [Parents-Tutors] WHERE ID= '" + ID + "'"; time1 = mydb.Returnafield(mysql); mysql = "SELECT 处理备注 FROM [Parents-Tutors] WHERE ID= '" + ID + "'"; remarks1 = mydb.Returnafield(mysql); txt_remark.Text = remarks1; flag = true;//记录存在 } } } }
private void 查看家教信息ToolStripMenuItem_Click(object sender, EventArgs e) { if (dgv_responsibility.SelectedRows.Count > 0) { string parents_num = dgv_responsibility.SelectedRows[0].Cells[0].Value.ToString(); string print_num = dgv_responsibility.SelectedRows[0].Cells[1].Value.ToString(); string mysql = "SELECT 接待人 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string reception = mydb.Returnafield(mysql); mysql = "SELECT ID FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string ID = mydb.Returnafield(mysql); mysql = "SELECT 接入时间 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string reception_time = mydb.Returnafield(mysql); mysql = "SELECT 家长称呼 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string parents_name = mydb.Returnafield(mysql); mysql = "SELECT 联系方式 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string phone = mydb.Returnafield(mysql); mysql = "SELECT 家教地址简单 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string sadd = mydb.Returnafield(mysql); mysql = "SELECT 家教地址详细 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string dadd = mydb.Returnafield(mysql); mysql = "SELECT 年级科目 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string grade_subject = mydb.Returnafield(mysql); mysql = "SELECT 学员性别 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string student_sex = mydb.Returnafield(mysql); mysql = "SELECT 家教价格 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string tutors_price = mydb.Returnafield(mysql); mysql = "SELECT 家教时间 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string tutors_time = mydb.Returnafield(mysql); mysql = "SELECT 教员要求性别 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string sex = mydb.Returnafield(mysql); mysql = "SELECT 教员要求地域 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string place = mydb.Returnafield(mysql); mysql = "SELECT 教员要求年级 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string grade = mydb.Returnafield(mysql); mysql = "SELECT 教员要求专业 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string subject = mydb.Returnafield(mysql); mysql = "SELECT 教员要求其他 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string others = mydb.Returnafield(mysql); mysql = "SELECT 家教状态 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string tutors_state = mydb.Returnafield(mysql); mysql = "SELECT 经办时间 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string time = mydb.Returnafield(mysql); mysql = "SELECT 重要备注 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string remarks = mydb.Returnafield(mysql); mysql = "SELECT 缴费状态 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string payment_state = mydb.Returnafield(mysql); mysql = "SELECT 缴费时间 FROM [Parents] WHERE 家长编号='" + parents_num + "'"; string payment_time = mydb.Returnafield(mysql); Tutors_check myform = new Tutors_check(ID, parents_num, print_num, parents_name, phone, grade_subject, student_sex, tutors_state, time, tutors_price, tutors_time, dadd, remarks, payment_state, payment_time); myform.Owner = this; myform.BackColor = System.Drawing.SystemColors.GradientInactiveCaption; myform.Show(); } }
private void Tutors_revise_Load(object sender, EventArgs e) { CmbClass cmbc = new CmbClass(); cmbc.cboDataBind(cbo_reception, "SELECT distinct 姓名 FROM [Workers]", "Workers", "姓名"); CmbDataGridview cmbd = new CmbDataGridview(); CCTRS ctr = new CCTRS(); ctr.ColorDataGridView(dgv_tutors); string mystr = "SELECT 教员编号,教员姓名,经办状态,经办时间,经办人,处理备注 FROM [Parents-Tutors] WHERE " + "打印编号='" + print_num1 + "' ORDER BY (SELECT right(经办时间,10)) DESC"; cmbd.bind(dgv_tutors, mystr, "Parents-Tutors"); dgv_tutors.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.ColumnHeader; dgv_tutors.Columns[5].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill; txt_parent_num.Text = parent_num1; txt_print_num.Text = print_num1; mystr = "SELECT 接入时间 FROM [Parents] WHERE ID='" + ID1 + "'"; dt_recepiton_time.Text = mydb.Returnafield(mystr); txt_parent_name.Text = parent_name1; txt_phone.Text = phone1; mystr = "SELECT 家教地址简单 FROM [Parents] WHERE ID='" + ID1 + "'"; txt_sadd.Text = mydb.Returnafield(mystr); txt_dadd.Text = dadd1; txt_grade_subject.Text = grade_subject1; if (student_sex1 == "男") { rdo_man.Checked = true; } if (student_sex1 == "女") { rdo_woman.Checked = true; } txt_tutor_price.Text = tutors_price1; txt_tutor_time.Text = tutors_time1; mystr = "SELECT 接待人 FROM [Parents] WHERE ID='" + ID1 + "'"; cbo_reception.Text = mydb.Returnafield(mystr); mystr = "SELECT 教员要求性别 FROM [Parents] WHERE ID='" + ID1 + "'"; cbo_sex.SelectedItem = mydb.Returnafield(mystr); mystr = "SELECT 教员要求地域 FROM [Parents] WHERE ID='" + ID1 + "'"; txt_place.Text = mydb.Returnafield(mystr); mystr = "SELECT 教员要求年级 FROM [Parents] WHERE ID='" + ID1 + "'"; txt_grade.Text = mydb.Returnafield(mystr); mystr = "SELECT 教员要求专业 FROM [Parents] WHERE ID='" + ID1 + "'"; txt_subject.Text = mydb.Returnafield(mystr); mystr = "SELECT 教员要求其他 FROM [Parents] WHERE ID='" + ID1 + "'"; txt_other_requests.Text = mydb.Returnafield(mystr); // string[] tutors_state = tutors_state1.Split(' '); // cbo_tutor_state.SelectedItem = tutors_state.Last(); cbo_tutor_state.SelectedItem = tutors_state1; txt_important_remarks.Text = important_mark1; cbo_payment_state.SelectedItem = payment_state1; dt_payment_time.Text = payment_time1; if (cbo_payment_state.SelectedItem.ToString() == "待缴" || cbo_payment_state.SelectedItem.ToString() == "无需缴纳") { dt_payment_time.Enabled = false; } if (cbo_payment_state.SelectedItem.ToString() == "已缴") { dt_payment_time.Enabled = true; } flag = true; }
private void btn_check_Click(object sender, EventArgs e) { if (txt_num.Text == "") { MessageBox.Show("请输入教员编号!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } int i = mydb.Rownum("SELECT * FROM [Tutors] WHERE 教员编号='" + txt_num.Text.Trim() + "'"); if (i > 0) { MessageBox.Show("该教员编号已存在,请重新输入教员编号!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); txt_num.Text = ""; return; } if (txt_student_name.Text == "") { MessageBox.Show("请输入姓名!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_student_num.Text == "") { MessageBox.Show("请输入学号!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } i = mydb.Rownum("SELECT * FROM [Tutors] WHERE 学号='" + txt_student_num.Text.Trim() + "'"); if (i > 0) { MessageBox.Show("该学号已存在,请重新输入学号!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); txt_student_num.Text = ""; return; } if (cbo_subject.Text == "") { MessageBox.Show("请输入院系专业!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (!rdo_man.Checked && !rdo_woman.Checked) { MessageBox.Show("请选择性别!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (cbo_degree.SelectedItem == null) { MessageBox.Show("请选择在读学位!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_phone.Text == "") { MessageBox.Show("请输入联系方式!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_phone.TextLength > 11) { MessageBox.Show("联系方式不得超过11位!请重新输入!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); txt_phone.Text = ""; return; } i = mydb.Rownum("SELECT * FROM [Tutors] WHERE 联系方式='" + txt_phone.Text.Trim() + "'"); if (i > 0) { MessageBox.Show("该联系方式已存在,请重新输入!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); txt_phone.Text = ""; return; } if (txt_place.Text == "") { MessageBox.Show("请输入生源地!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } string sex; if (rdo_man.Checked) { sex = rdo_man.Text; } else { sex = rdo_woman.Text; } string mysql; mysql = string.Format("INSERT INTO [Tutors] (教员编号,姓名,学号,院系专业,在读学位,性别,联系方式,生源地," + "重要备注,是否黑名单) VALUES " + "('{0}','{1}','{2}','{3}','{4}','{5}','{6}','{7}','{8}','{9}')", txt_num.Text.Trim(), txt_student_name.Text.Trim(), txt_student_num.Text.Trim(), cbo_subject.Text.Trim(), cbo_degree.Text, sex, txt_phone.Text.Trim(), txt_place.Text.Trim(), txt_important_remarks.Text.Trim(), "否"); try { mydb.ExecuteNonQuery(mysql); MessageBox.Show("添加信息成功", "添加成功", MessageBoxButtons.OK, MessageBoxIcon.Information); i = mydb.Rownum("SELECT * FROM [Subject] WHERE 专业='" + cbo_subject.Text.Trim() + "'"); if (i == 0) { mysql = "INSERT INTO [Subject] (专业) VALUES ('" + cbo_subject.Text.Trim() + "')"; mydb.ExecuteNonQuery(mysql); } SetTop(); txt_student_name.Text = ""; txt_student_num.Text = ""; cbo_degree.SelectedItem = null; rdo_man.Checked = false; rdo_woman.Checked = false; txt_phone.Text = ""; txt_place.Text = ""; txt_important_remarks.Text = ""; cmbc.cboDataBind(cbo_subject, "SELECT distinct 院系专业 FROM [Tutors]", "Tutors", "院系专业"); cbo_subject.Text = ""; mysql = "SELECT MAX(教员编号) FROM [Tutors]"; int tutors_num = int.Parse(mydb.Returnafield(mysql)); tutors_num++; txt_num.Text = tutors_num.ToString(); } catch (Exception ex) { MessageBox.Show(ex.Message, "操作数据库出错!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } }
private void btnyes_Click(object sender, EventArgs e) { if (txt_parent_num.Text == "") { MessageBox.Show("请输入家长编号!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } int i = mydb.Rownum("SELECT * FROM [Parents] WHERE 家长编号='" + txt_parent_num.Text.Trim() + "'AND 打印编号='" + txt_print_num.Text.Trim() + "'"); if (i > 0) { MessageBox.Show("该家长编号已存在,请重新输入家长编号!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); txt_parent_num.Text = ""; return; } if (txt_print_num.Text == "") { MessageBox.Show("请输入打印编号!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } i = mydb.Rownum("SELECT * FROM [Parents] WHERE 打印编号='" + txt_print_num.Text.Trim() + "'"); if (i > 0) { MessageBox.Show("该打印编号已存在,请重新输入打印编号!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); txt_print_num.Text = ""; return; } if (cbo_reception.SelectedItem == null) { MessageBox.Show("请选择接待人!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_parent_name.Text == "") { MessageBox.Show("请输入家长称呼!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_phone.Text == "") { MessageBox.Show("请输入联系方式!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_phone.TextLength > 11) { MessageBox.Show("联系方式不得超过11位!请重新输入!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_sadd.Text == "") { MessageBox.Show("请输入家教地址(简单)!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_dadd.Text == "") { MessageBox.Show("请输入家教地址(详细)!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_grade_subject.Text == "") { MessageBox.Show("请输入年级科目!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (!rdo_man.Checked && !rdo_woman.Checked) { MessageBox.Show("请选择学员性别!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_tutor_price.Text == "") { MessageBox.Show("请输入家教价格!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (txt_tutor_time.Text == "") { MessageBox.Show("请输入家教时间!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (cbo_tutor_state.SelectedItem == null) { MessageBox.Show("请选择家教状态!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } if (cbo_payment_state.SelectedItem == null) { MessageBox.Show("请选择缴费状态!", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } string mysql; string reception = cbo_reception.Text; string student_sex = ""; string payment_time = ""; if (rdo_man.Checked) { student_sex = rdo_man.Text; } else { student_sex = rdo_woman.Text; } string sex; if (cbo_sex.SelectedItem == null) { sex = ""; } else { sex = cbo_sex.SelectedItem.ToString(); } string tutor_state = cbo_tutor_state.SelectedItem.ToString(); string payment_state = cbo_payment_state.SelectedItem.ToString(); string temptime = dt_recepiton_time.Value.ToString("yyyy/MM/dd"); if (dt_payment_time.Enabled == true) { payment_time = dt_payment_time.Value.ToString(); mysql = string.Format("INSERT INTO [Parents] (家长编号,打印编号,接待人,接入时间,家长称呼,联系方式," + "家教地址简单,家教地址详细,年级科目,学员性别,家教价格,家教时间," + "教员要求性别,教员要求地域,教员要求年级,教员要求专业,教员要求其他," + "家教状态,重要备注,缴费状态,缴费时间,经办时间,进行状态) VALUES ('{0}','{1}','{2}','{3}','{4}','{5}','{6}','{7}'," + "'{8}','{9}','{10}','{11}','{12}','{13}','{14}','{15}','{16}','{17}','{18}','{19}','{20}','{21}','{22}')", txt_parent_num.Text.Trim(), txt_print_num.Text.Trim(), reception, dt_recepiton_time.Value, txt_parent_name.Text.Trim(), txt_phone.Text.Trim(), txt_sadd.Text.Trim(), txt_dadd.Text.Trim(), txt_grade_subject.Text.Trim(), student_sex, txt_tutor_price.Text.Trim(), txt_tutor_time.Text.Trim(), sex, txt_place.Text.Trim(), txt_grade.Text.Trim(), txt_subject.Text.Trim(), txt_other_requests.Text.Trim(), tutor_state, txt_important_remarks.Text.Trim(), payment_state, payment_time, temptime, "接入"); } else { mysql = string.Format("INSERT INTO [Parents] (家长编号,打印编号,接待人,接入时间,家长称呼,联系方式," + "家教地址简单,家教地址详细,年级科目,学员性别,家教价格,家教时间," + "教员要求性别,教员要求地域,教员要求年级,教员要求专业,教员要求其他," + "家教状态,重要备注,缴费状态,经办时间,进行状态) VALUES ('{0}','{1}','{2}','{3}','{4}','{5}','{6}','{7}'," + "'{8}','{9}','{10}','{11}','{12}','{13}','{14}','{15}','{16}','{17}','{18}','{19}','{20}','{21}')", txt_parent_num.Text.Trim(), txt_print_num.Text.Trim(), reception, dt_recepiton_time.Value, txt_parent_name.Text.Trim(), txt_phone.Text.Trim(), txt_sadd.Text.Trim(), txt_dadd.Text.Trim(), txt_grade_subject.Text.Trim(), student_sex, txt_tutor_price.Text.Trim(), txt_tutor_time.Text.Trim(), sex, txt_place.Text.Trim(), txt_grade.Text.Trim(), txt_subject.Text.Trim(), txt_other_requests.Text.Trim(), tutor_state, txt_important_remarks.Text.Trim(), payment_state, temptime, "接入"); } try { mydb.ExecuteNonQuery(mysql); MessageBox.Show("添加家教信息成功", "添加成功", MessageBoxButtons.OK, MessageBoxIcon.Information); mysql = string.Format("INSERT INTO [Responsibility] (家长编号,打印编号,经办状态,经办时间,经办人) VALUES ('{0}'," + "'{1}','{2}','{3}','{4}')", txt_parent_num.Text.Trim(), txt_print_num.Text.Trim(), tutor_state, temptime, reception); mydb.ExecuteNonQuery(mysql); Integral itg = new Integral(); itg.Add(reception, tutor_state); mysql = string.Format("INSERT INTO [Parents-Tutors] (家长编号,打印编号,教员编号,教员姓名,经办状态,经办时间,经办人) VALUES ('{0}'," + "'{1}','{2}','{3}','{4}','{5}','{6}')", txt_parent_num.Text.Trim(), txt_print_num.Text.Trim(), "", "", tutor_state, temptime, reception); mydb.ExecuteNonQuery(mysql); txt_parent_name.Text = ""; cbo_reception.SelectedItem = null; txt_phone.Text = ""; txt_sadd.Text = ""; txt_dadd.Text = ""; txt_grade_subject.Text = ""; txt_grade.Text = ""; cbo_sex.SelectedItem = null; txt_other_requests.Text = ""; rdo_man.Checked = false; rdo_woman.Checked = false; txt_tutor_price.Text = ""; txt_tutor_time.Text = ""; cbo_sex.Text = ""; txt_place.Text = ""; txt_grade.Text = ""; txt_subject.Text = ""; txt_important_remarks.Text = ""; mysql = "SELECT MAX(家长编号) FROM [parents]"; int parents_num = int.Parse(mydb.Returnafield(mysql)); parents_num++; txt_parent_num.Text = parents_num.ToString(); mysql = "SELECT MAX(打印编号) FROM [parents]"; int print_num = int.Parse(mydb.Returnafield(mysql)); print_num++; txt_print_num.Text = print_num.ToString(); SetTop(); } catch (Exception ex) { MessageBox.Show(ex.Message, "操作数据库出错!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } }