private void toolStrip_edit_Click(object sender, EventArgs e) { //打开编辑 if (dataGridView1.SelectedRows.Count == 1) { string selectrow = dataGridView1.Rows[dataGridView1.CurrentCell.RowIndex].Cells[0].Value.ToString(); Form_Edit formedit = new Form_Edit(); formedit.studentid_edit = selectrow; formedit.ShowDialog(); if (treeView1.SelectedNode != null) { StudentInfo Rchose = new StudentInfo(); switch (treeView1.SelectedNode.Tag.ToString()) { //通过调用search中现有的方法完成 case "0": dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); break; case "1": Rchose.Profession = treeView1.SelectedNode.Text; dataGridView1.DataSource = StudentInfoBLL.GetStudentInfoList(Rchose); break; //使用Tag标志区别选中的标签类别,可以再次扩展,这里不做了,用Tag意义不大 } } else { initContracts(); } } else { MessageBox.Show("请选中一行后再点击编辑按钮"); } }
private void btn_search_Click(object sender, EventArgs e) { //查询 if (cb_searchitem.Text == string.Empty) { dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); InitHeadTitle(); } else { if (txt_searchtext.Text != string.Empty) { StudentInfo studentsearch = new StudentInfo(); switch (cb_searchitem.SelectedIndex) { case 0: studentsearch.StudentId = txt_searchtext.Text; break; case 1: studentsearch.Name = txt_searchtext.Text; break; } dataGridView1.DataSource = StudentInfoBLL.GetStudentInfoList(studentsearch); InitHeadTitle(); } else { MessageBox.Show("请输入要查询的" + cb_searchitem.Text); } } }
private void toolStrip_add_Click(object sender, EventArgs e) { //打开添加窗体 Form_Add formadd = new Form_Add(); formadd.ShowDialog(); //添加删除或编辑后仍是当前选中节点的数据 if (treeView1.SelectedNode != null) { StudentInfo Rchose = new StudentInfo(); switch (treeView1.SelectedNode.Tag.ToString()) { //通过调用search中现有的方法完成 case "0": dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); break; case "1": Rchose.Profession = treeView1.SelectedNode.Text; dataGridView1.DataSource = StudentInfoBLL.GetStudentInfoList(Rchose); break; //使用Tag标志区别选中的标签类别,可以再次扩展,这里不做了,用Tag意义不大 } } else { initContracts(); } }
private void professionTreeView_AfterSelect(object sender, TreeViewEventArgs e) { TreeNode pnode = professionTreeView.SelectedNode; if (pnode.Text != "专业") { dataGridView1.DataSource = StudentInfoBLL.GetStudentInfoListByProfession(pnode.Text); } else { dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); } }
private void treeView1_AfterSelect(object sender, TreeViewEventArgs e) { StudentInfo student = new StudentInfo(); student.Profession = treeView1.SelectedNode.Text; if (treeView1.SelectedNode.Text == "全部") { dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); } else { dataGridView1.DataSource = StudentInfoBLL.GetStudentInfoList(student); } }
private void treeView1_AfterSelect(object sender, TreeViewEventArgs e) { StudentInfo Rchose = new StudentInfo(); switch (e.Node.Tag.ToString()) { //通过调用search中现有的方法完成 case "0": dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); break; case "1": Rchose.Profession = treeView1.SelectedNode.Text; dataGridView1.DataSource = StudentInfoBLL.GetStudentInfoList(Rchose); break; //使用Tag标志区别选中的标签类别,可以再次扩展,这里不做了,用Tag意义不大 } }
void initContracts() { //不存在students.xml,则先行创建 if (File.Exists(AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"/Students.xml")) { dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); } else { StudentInfoBLL.CreateStudentXml(); dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); } dataGridView1.Columns[0].HeaderText = "学生编号"; dataGridView1.Columns[1].HeaderText = "学生姓名"; dataGridView1.Columns[2].HeaderText = "学生性别"; dataGridView1.Columns[3].HeaderText = "学生年龄"; dataGridView1.Columns[4].HeaderText = "出生日期"; dataGridView1.Columns[5].HeaderText = "手机号码"; dataGridView1.Columns[6].HeaderText = "家庭地址"; dataGridView1.Columns[7].HeaderText = "电子邮箱"; dataGridView1.Columns[8].HeaderText = "专 业"; }
void initContracts() { //如果存在Students.xml,查询所有学生信息,如果不存在,则创建该文件后再查询 if (File.Exists(AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"/xml/Students.xml")) { dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); } else { StudentInfoBLL.CreateStudentXml(); dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); } //初始化数据表格dataGridView1的列标题 dataGridView1.Columns[0].HeaderText = "学生编号"; dataGridView1.Columns[1].HeaderText = "学生姓名"; dataGridView1.Columns[2].HeaderText = "学生性别"; dataGridView1.Columns[3].HeaderText = "学生年龄"; dataGridView1.Columns[4].HeaderText = "出生日期"; dataGridView1.Columns[5].HeaderText = "手机号码"; dataGridView1.Columns[6].HeaderText = "家庭住址"; dataGridView1.Columns[7].HeaderText = "电子邮箱"; dataGridView1.Columns[8].HeaderText = "专 业"; }
void initContracts() { //if "Students.xml" is esixt,Check all student's information.else create a document and check if (File.Exists(AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"/xml/Students.xml")) { dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); } else { StudentInfoBLL.CreateStudentXml(); dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); } dataGridView1.Columns[0].HeaderText = "学生编号"; dataGridView1.Columns[1].HeaderText = "学生姓名"; dataGridView1.Columns[2].HeaderText = "学生性别"; dataGridView1.Columns[3].HeaderText = "学生年龄"; dataGridView1.Columns[4].HeaderText = "出生日期"; dataGridView1.Columns[5].HeaderText = "手机号码"; dataGridView1.Columns[6].HeaderText = "家庭地址"; dataGridView1.Columns[7].HeaderText = "电子邮箱"; dataGridView1.Columns[8].HeaderText = "专业学科"; updateProfessionTreeView(); }
private void toolStrip_delete_Click(object sender, EventArgs e) { //删除信息 if (dataGridView1.SelectedRows.Count == 1) { if (MessageBox.Show("确定要删除此学生信息?", "确认信息", MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.Yes) { string selectrow = dataGridView1.Rows[dataGridView1.CurrentCell.RowIndex].Cells[0].Value.ToString(); if (StudentInfoBLL.DeleteStudentInfo(selectrow)) { MessageBox.Show("删除学生信息成功!"); if (treeView1.SelectedNode != null) { StudentInfo Rchose = new StudentInfo(); switch (treeView1.SelectedNode.Tag.ToString()) { //通过调用search中现有的方法完成 case "0": dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); break; case "1": Rchose.Profession = treeView1.SelectedNode.Text; dataGridView1.DataSource = StudentInfoBLL.GetStudentInfoList(Rchose); break; //使用Tag标志区别选中的标签类别,可以再次扩展,这里不做了,用Tag意义不大 } } else { initContracts(); } } else { MessageBox.Show("删除学生信息失败,请检查是否选中学生信息!"); if (treeView1.SelectedNode != null) { StudentInfo Rchose = new StudentInfo(); switch (treeView1.SelectedNode.Tag.ToString()) { //通过调用search中现有的方法完成 case "0": dataGridView1.DataSource = StudentInfoBLL.GetAllStudentInfo(); break; case "1": Rchose.Profession = treeView1.SelectedNode.Text; dataGridView1.DataSource = StudentInfoBLL.GetStudentInfoList(Rchose); break; //使用Tag标志区别选中的标签类别,可以再次扩展,这里不做了,用Tag意义不大 } } else { initContracts(); } } } else { MessageBox.Show("请选中一行后再点击删除按钮!"); } } }