private void toolStrip_delete_Click_1(object sender, EventArgs e)
{
//选中某一个学生之后，删除该学生的信息
if (dataGridView1.SelectedRows.Count == 1)
{
if (MessageBox.Show("确定删除此学生信息？", "确认信息", MessageBoxButtons.YesNo, MessageBoxIcon.Warning,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
int selectrow = Int32.Parse(dataGridView1.Rows[dataGridView1.CurrentCell.RowIndex].Cells[0].Value.ToString());
if (StudentInfoBLL.DeleteStudentInfo(selectrow))
{
MessageBox.Show("删除学生信息成功");
}
else
{
MessageBox.Show("删除学生信息失败，请检查是否选中学生信息！");
}
initContracts();
}
}
else
{
MessageBox.Show("请选中一行再点击删除按钮");
}
}
private void updateProfessionTreeView()
{
StudentInfoBLL studentadd = new StudentInfoBLL();
professionTreeView.Nodes.Clear();
professionTreeView.Nodes.Add(studentadd.GetProfessionNode());
}
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 btn_update_Click(object sender, EventArgs e)
{
StudentInfo studentinfo = StudentInfoBLL.GetStudentInfo(studentid_edit);
studentinfo.StudentId = txt_studengid.Text;
studentinfo.Name = txt_name.Text;
if (rb_man.Checked)
{
studentinfo.Sex = "男";
}
else if (rb_woman.Checked)
{
studentinfo.Sex = "女";
}
studentinfo.Age = Int32.Parse(txt_age.Text);
studentinfo.BirthDate = DateTime.Parse(dt_birthdate.Text);
studentinfo.Phone = txt_phone.Text;
studentinfo.Email = txt_email.Text;
studentinfo.HomeAddress = txt_homeaddress.Text;
studentinfo.Profession = txt_profession.Text;
if (StudentInfoBLL.UpdateStudentInfo(studentinfo))
{
MessageBox.Show("修改学生信息成功！");
}
}
private void toolStrip_recover_Click(object sender, EventArgs e)
{
StudentInfoBLL studentsave = new StudentInfoBLL();
studentsave.RecoverStudentInfo();
initContracts();
}
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();
}
}
public void initControl()
{
//查询信息并显示编辑前信息
StudentInfo studentinfo = StudentInfoBLL.GetStudentInfo(studentid_edit);
if (studentinfo != null)
{
txt_studentid.Text = studentinfo.StudentId;
txt_name.Text = studentinfo.Name;
if (studentinfo.Sex == "男")
{
rb_man.Checked = true;
rb_woman.Checked = false;
}
else
{
rb_man.Checked = false;
rb_woman.Checked = true;
}
txt_age.Text = studentinfo.Age.ToString();
dt_birthdate.Text = studentinfo.BirthDate.ToString();
txt_phone.Text = studentinfo.Phone;
txt_email.Text = studentinfo.Email;
txt_homeaddress.Text = studentinfo.HomeAddress;
txt_profession.Text = studentinfo.Profession;
}
}
private void btn_add_Click(object sender, EventArgs e)
{
try {
StudentInfo studentinfo = new StudentInfo();
studentinfo.StudentId = txt_studengid.Text;
studentinfo.Name = txt_name.Text;
if (rb_man.Checked)
{
studentinfo.Sex = "男";
}
else if (rb_woman.Checked)
{
studentinfo.Sex = "女";
}
studentinfo.Age = Int32.Parse(txt_age.Text);
studentinfo.BirthDate = DateTime.Parse(dt_birthdate.Text);
studentinfo.Phone = txt_phone.Text;
studentinfo.Email = txt_email.Text;
studentinfo.HomeAddress = txt_homeaddress.Text;
studentinfo.Profession = txt_profession.Text;
if (StudentInfoBLL.AddStudentInfo(studentinfo))
{
MessageBox.Show("添加学生信息成功！");
}
}catch (Exception)
{
MessageBox.Show("有数据输入错误！", "错误", MessageBoxButtons.OK);
}
}
private void button1_Click(object sender, EventArgs e)
{
StudentInfo studentinfo = StudentInfoBLL.GetStudentInfo(studentid_edit);
if (studentinfo != null)
{
txt_studengid.Text = studentinfo.StudentId.ToString();
txt_name.Text = studentinfo.Name;
if (studentinfo.Sex == "男")
{
rb_man.Checked = true;
rb_woman.Checked = false;
}
else
{
rb_man.Checked = false;
rb_woman.Checked = true;
}
txt_age.Text = studentinfo.Age.ToString();
dt_birthdate.Text = studentinfo.BirthDate.ToString();
txt_phone.Text = studentinfo.Phone;
txt_email.Text = studentinfo.Email;
txt_homeaddress.Text = studentinfo.HomeAddress;
txt_profession.Text = studentinfo.Profession;
}
}
private void btn_add_Click(object sender, EventArgs e)
{
if (txt_studengid.Text == "" ||
txt_age.Text == "" ||
txt_email.Text == "" ||
txt_homeaddress.Text == "" ||
txt_name.Text == "" ||
txt_phone.Text == "" ||
txt_profession.Text == "" ||
(rb_man.Checked == false &&
rb_woman.Checked == false))
{
MessageBox.Show("添加学生信息失败,请检查信息是否填写完整。");
return;
}
StudentInfo studentinfo = new StudentInfo();
studentinfo.StudentId = Int32.Parse(txt_studengid.Text);
studentinfo.Name = txt_name.Text;
if (rb_man.Checked)
{
studentinfo.Sex = "男";
}
else if (rb_woman.Checked)
{
studentinfo.Sex = "女";
}
studentinfo.Age = Int32.Parse(txt_age.Text);
studentinfo.BirthDate = DateTime.Parse(dt_birthday.Text);
studentinfo.Phone = txt_phone.Text;
studentinfo.Email = txt_email.Text;
studentinfo.HomeAddress = txt_homeaddress.Text;
studentinfo.Profession = txt_profession.Text;
if (StudentInfoBLL.AddStudentInfo(studentinfo))
{
MessageBox.Show("添加学生信息成功！");
txt_studengid.Text = "";
txt_age.Text = "";
txt_email.Text = "";
txt_homeaddress.Text = "";
txt_name.Text = "";
txt_phone.Text = "";
txt_profession.Text = "";
dt_birthday.Value = DateTime.Now;
rb_man.Checked = false;
rb_woman.Checked = false;
}
else
{
MessageBox.Show("添加学生信息失败,学生编号重复。");
}
}
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
}
}
private void btn_edit_Click(object sender, EventArgs e)
{
StudentInfo studentinfo = StudentInfoBLL.GetStudentInfo(studentid_edit);
Regex r = new Regex("^([a-zA-Z]|[0-9])(\\w|\\-)+@[a-zA-Z0-9]+\\.([a-zA-Z]{2,4})$");
if (!r.IsMatch(txt_email.Text.ToString()))
{
MessageBox.Show(txt_email.Text.ToString() + " 不是个正确的邮箱");
return;
}
Regex id = new Regex("^\\+?[1-9][0-9]*$");
if (!id.IsMatch(txt_studengid.Text))
{
MessageBox.Show("编号" + txt_studengid.Text + "不是个正整数");
return;
}
studentinfo.StudentId = Int32.Parse(txt_studengid.Text);
studentinfo.Name = txt_name.Text;
if (rb_man.Checked)
{
studentinfo.Sex = "男";
}
else if (rb_woman.Checked)
{
studentinfo.Sex = "女";
}
studentinfo.Age = Int32.Parse(txt_age.Text);
studentinfo.BirthDate = DateTime.Parse(dt_birthday.Text);
studentinfo.Phone = txt_phone.Text;
studentinfo.Email = txt_email.Text;
studentinfo.HomeAddress = txt_homeaddress.Text;
studentinfo.Profession = txt_profession.Text;
if (StudentInfoBLL.UpdateStudentInfo(studentinfo))
{
MessageBox.Show("修改学生信息成功！");
}
}
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()
{
//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();
}
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";
}
private void btn_update_Click(object sender, EventArgs e)
{
try {
//更新学生编辑信息
StudentInfo studentinfo = StudentInfoBLL.GetStudentInfo(studentid_edit);
//studentinfo.StudentId = Int32.Parse(txt_studengid.Text);
studentinfo.Name = txt_name.Text;
if (rb_man.Checked)
{
studentinfo.Sex = "男";
}
else if (rb_woman.Checked)
{
studentinfo.Sex = "女";
}
studentinfo.Age = Int32.Parse(txt_age.Text);
studentinfo.BirthDate = DateTime.Parse(dt_birthdate.Text);
studentinfo.Phone = txt_phone.Text;
studentinfo.Email = txt_email.Text;
studentinfo.HomeAddress = txt_homeaddress.Text;
studentinfo.Profession = txt_profession.Text;
if (StudentInfoBLL.UpdateStudentInfo(studentinfo))
{
MessageBox.Show("修改学生信息成功！");
}
}catch (Exception)
{
if (String.IsNullOrEmpty(txt_age.Text))
{
MessageBox.Show("年龄输入不能为空!");
}
else
{
MessageBox.Show("请不要修改学生编号！", "错误", MessageBoxButtons.OK);
}
}
}
private void toolStripButton2_Click(object sender, EventArgs e)
{
OpenFileDialog openfile = new OpenFileDialog();
openfile.InitialDirectory = @"C:\Documents and Settings\Administrator\桌面";//打开文件的初始目录
openfile.Filter = "xmlbak文件(*.xmlbak)|";
openfile.DefaultExt = ".xmlbak";
DialogResult dr1 = openfile.ShowDialog();
if (dr1 == DialogResult.OK)
{
String filePath = openfile.FileName.ToString();
try
{
//获取用户选择文件的后缀名
string extension = Path.GetExtension(openfile.FileName);
if (extension != ".xmlbak")
{
MessageBox.Show("请选择.xmlbak后缀的文件");
}
else
{
if (!(File.Exists(AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"/xml/Students.xml")))
{
StudentInfoBLL.CreateStudentXml();
}
string path = AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"/xml/Students.xml";
File.Copy(filePath, path, true);
MessageBox.Show("恢复成功！", "成功", MessageBoxButtons.OK);
}
}
catch (Exception)
{
MessageBox.Show("未知异常！", "异常", MessageBoxButtons.OK);
}
}
}
private void btn_add_Click(object sender, EventArgs e)
{
if (txt_studengid.Text == "" ||
txt_age.Text == "" ||
txt_email.Text == "" ||
txt_homeaddress.Text == "" ||
txt_name.Text == "" ||
txt_phone.Text == "" ||
txt_profession.Text == "" ||
(rb_man.Checked == false &&
rb_woman.Checked == false))
{
MessageBox.Show("添加学生信息失败,请检查信息是否填写完整。");
return;
}
StudentInfo studentinfo = new StudentInfo();
Regex r = new Regex("^([a-zA-Z]|[0-9])(\\w|\\-)+@[a-zA-Z0-9]+\\.([a-zA-Z]{2,4})$");
if (!r.IsMatch(txt_email.Text.ToString()))
{
MessageBox.Show(txt_email.Text.ToString() + " 不是个正确的邮箱");
return;
}
Regex id = new Regex("^\\+?[1-9][0-9]*$");
if (!id.IsMatch(txt_studengid.Text))
{
MessageBox.Show("编号" + txt_studengid.Text + "不是个正整数");
return;
}
studentinfo.StudentId = Int32.Parse(txt_studengid.Text);
studentinfo.Name = txt_name.Text;
if (rb_man.Checked)
{
studentinfo.Sex = "男";
}
else if (rb_woman.Checked)
{
studentinfo.Sex = "女";
}
studentinfo.Age = Int32.Parse(txt_age.Text);
studentinfo.BirthDate = DateTime.Parse(dt_birthday.Text);
studentinfo.Phone = txt_phone.Text;
studentinfo.Email = txt_email.Text;
studentinfo.HomeAddress = txt_homeaddress.Text;
studentinfo.Profession = txt_profession.Text;
if (StudentInfoBLL.AddStudentInfo(studentinfo))
{
MessageBox.Show("添加学生信息成功！");
txt_studengid.Text = "";
txt_age.Text = "";
txt_email.Text = "";
txt_homeaddress.Text = "";
txt_name.Text = "";
txt_phone.Text = "";
txt_profession.Text = "";
dt_birthday.Value = DateTime.Now;
rb_man.Checked = false;
rb_woman.Checked = false;
}
else
{
MessageBox.Show("添加学生信息失败,学生编号重复。");
}
}
private void toolStrip_backup_Click(object sender, EventArgs e)
{
StudentInfoBLL studentsave = new StudentInfoBLL();
studentsave.SaveStudentInfoList();
}
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！");
}
}
}
