private void button_update_Click(object sender, EventArgs e)
{
StudentInformationClass studentInformationclass = new StudentInformationClass();
studentInformationclass.NoClass = textBox_class.Text;
studentInformationclass.StudentNo = textBox_student.Text;
studentInformationclass.NameStudent = textBox_name.Text;
studentInformationclass.Sex = radioButton1_sex.Text;
studentInformationclass.BirthdayStudent = dateTimePicker1.Text;
studentInformationclass.GradeStudent = Convert.ToInt32(textBox_grade.Text);
frmMain.StudentsInfo[textBox_studentNo.Text].NoClass = textBox_class.Text;
frmMain.StudentsInfo[textBox_studentNo.Text].NameStudent = textBox_name.Text;
if (radioButton1_sex.Checked)
{
frmMain.StudentsInfo[textBox_studentNo.Text].Sex = radioButton1_sex.Text;
}
else
{
frmMain.StudentsInfo[textBox_studentNo.Text].Sex = radioButton2_sex.Text;
}
frmMain.StudentsInfo[textBox_studentNo.Text].BirthdayStudent = dateTimePicker1.Text;
frmMain.StudentsInfo[textBox_studentNo.Text].GradeStudent = Convert.ToInt32(textBox_grade.Text);
MessageBox.Show(this, "修改成功！" + "An element with Key =" + textBox_studentNo.Text + "has been changed", "提示", MessageBoxButtons.OK);
}
private void button_insert_Click(object sender, EventArgs e)
{
StudentInformationClass studentInformationclass = new StudentInformationClass();
studentInformationclass.NoClass = textBox_class.Text;
studentInformationclass.StudentNo = textBox_student.Text;
studentInformationclass.NameStudent = textBox_name.Text;
if (!radioButton1_sex.Checked && !radioButton2_sex.Checked)
{
MessageBox.Show(this, "请选择性别！默认为male", "提示", MessageBoxButtons.OK);
radioButton1_sex.Checked = true;
studentInformationclass.Sex = radioButton1_sex.Text;
}
else
{
if (radioButton1_sex.Checked)
{
studentInformationclass.Sex = radioButton1_sex.Text;
}
else
{
studentInformationclass.Sex = radioButton2_sex.Text;
}
}
if (textBox_grade.Text == "")
{
MessageBox.Show(this, "成绩不能为空！默认为0分", "提示", MessageBoxButtons.OK);
textBox_grade.Text = "0";
}
else
{
studentInformationclass.GradeStudent = Convert.ToInt32(textBox_grade.Text);
}
studentInformationclass.BirthdayStudent = dateTimePicker1.Text;
if ((studentInformationclass.NameStudent == "") || (studentInformationclass.StudentNo == "") || (studentInformationclass.NoClass == ""))
{
MessageBox.Show(this, "姓名、班级号、学号不能为空！", "提示", MessageBoxButtons.OK);
}
else
{
//利用字典添加
try
{
frmMain.StudentsInfo.Add(textBox_student.Text, studentInformationclass);
MessageBox.Show(this, "添加成功！", "提示", MessageBoxButtons.OK);
}
catch (ArgumentException)
{
MessageBox.Show(this, "添加失败！" + "An element with Key = \"txt\" already exists.", "提示", MessageBoxButtons.OK);
}
}
}
/// <summary>
/// 读取csv文件到字典
/// </summary>
/// <param name="dictionaryOpen"></param>
/// <param name="path"></param>
/// <returns></returns>
private Dictionary <string, StudentInformationClass> OpenCsv(Dictionary <string, StudentInformationClass> dictionaryOpen, string path)
{
//StudentsInfo
Encoding encoding = GetType(path); //Encoding.ASCII;//
System.IO.FileStream fs = new System.IO.FileStream(path, System.IO.FileMode.Open,
System.IO.FileAccess.Read);
System.IO.StreamReader sr = new System.IO.StreamReader(fs, encoding);
//记录每次读取的一行记录
string strLine = "";
//记录每行记录中的各字段内容
string[] aryLine = null;
//tableHead = null;
//标示是否是读取的第一行
bool IsFirst = true;
//逐行读取CSV中的数据，直到结尾
while ((strLine = sr.ReadLine()) != null)
{
if (IsFirst == true)
{
//tableHead = strLine;
IsFirst = false;
}
else
{
aryLine = strLine.Split(',');
StudentInformationClass studentInformationclass = new StudentInformationClass();
studentInformationclass.NoClass = aryLine[0];
studentInformationclass.StudentNo = aryLine[1];
studentInformationclass.NameStudent = aryLine[2];
studentInformationclass.Sex = aryLine[3];
studentInformationclass.BirthdayStudent = aryLine[4];
studentInformationclass.GradeStudent = Convert.ToInt32(aryLine[5]);
try
{
frmMain.StudentsInfo.Add(studentInformationclass.StudentNo, studentInformationclass);
}
catch (ArgumentException)
{
MessageBox.Show(this, "添加失败！" + "An element with Key =" + studentInformationclass.StudentNo + "already exists.", "提示", MessageBoxButtons.OK);
}
}
}
sr.Close();
fs.Close();
return(dictionaryOpen);
}
