private void button1_Click(object sender, EventArgs e)
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.ShowDialog();
if (sfd.FileName != "")
{
FileStream _fs = new FileStream(sfd.FileName, FileMode.Create);
infoStudent info = new infoStudent();
BinaryFormatter bf = new BinaryFormatter();
FileStream fs = new FileStream(tbPath.Text, FileMode.OpenOrCreate);
string content = "";
while (fs.Position != fs.Length)
{
info = (infoStudent)bf.Deserialize(fs);
info.DTB = (float)(info.Math + info.Literature) / 2;
bf.Serialize(_fs, info);
content += "\r\nMSSV: " + info.MSSV + "\r\nHọ Tên: " + info.Name +
"\r\nSố Điện thoại: " + info.NumberPhone + "\r\nToán: " + info.Math + "\r\nVăn: " + info.Literature
+ "\r\nĐiểm Trung Bình: " + info.DTB + "\r\n";
}
tbWrite.Text = content;
fs.Close();
}
}
//
//
private void btRead_Click(object sender, EventArgs e)
{
if (check(tbMSSV.Text, tbName.Text, tbnumberPhone.Text, tbMath.Text, tbLiterature.Text) == 1)
{
infoStudent info = new infoStudent();
info.MSSV = tbMSSV.Text;
info.Name = tbName.Text;
info.NumberPhone = tbnumberPhone.Text;
info.Math = float.Parse(tbMath.Text);
info.Literature = float.Parse(tbLiterature.Text);
try
{
BinaryFormatter bf = new BinaryFormatter();
SaveFileDialog sfd = new SaveFileDialog();
sfd.ShowDialog();
if (sfd.FileName != "")
{
FileStream fs = new FileStream(sfd.FileName, FileMode.Append);
bf.Serialize(fs, info);
fs.Close();
MessageBox.Show("Thêm Học Viên Thành Công");
}
}
catch
{
MessageBox.Show("Thêm Học Viên Không Thành Công");
}
}
}
private void btWrite_Click(object sender, EventArgs e)
{
infoStudent info = new infoStudent();
BinaryFormatter bf = new BinaryFormatter();
OpenFileDialog ofd = new OpenFileDialog();
ofd.ShowDialog();
if (ofd.FileName != "")
{
FileStream fs = new FileStream(ofd.FileName, FileMode.OpenOrCreate);
tbPath.Text = ofd.FileName;
string content = "";
while (fs.Position != fs.Length)
{
info = (infoStudent)bf.Deserialize(fs);
content += "\r\nMSSV: " + info.MSSV + "\r\nHọ Tên: " + info.Name +
"\r\nSố Điện thoại: " + info.NumberPhone + "\r\nToán: " + info.Math + "\r\nVăn: " + info.Literature + "\r\n";
}
RichTextBox.Text = content;
fs.Close();
}
}