private void RightButton_Click(object sender, EventArgs e)
{
if (BookName.Text != "" && Writter.Text != "" && Page.Text != "" && PublishCompany.Text != "")
{
OnTimeEventFuntion(BookName.Text, Writter.Text, DateTimePicker.Value.ToString("yyyy-MM-dd"), PublishCompany.Text, Page.Text);
BookName.Clear();
Writter.Clear();
PublishCompany.Clear();
Page.Clear();
MessageBox.Show("书籍加入成功");
}
}
private void pictureBox2_Click(object sender, EventArgs e)
{
if (SerialNumber.Text == "" || PublishYear.Text == "" || BookName.Text == "")
{
MessageBox.Show("Please enter the required data.");
}
else
{
bool b = false;
FileStream fs = new FileStream("Books.txt", FileMode.OpenOrCreate);
StreamReader sr = new StreamReader(fs);
string[] fields;
string[] records;
while (sr.Peek() != -1)
{
records = sr.ReadLine().Split('#');
for (int i = 0; i < records.Length - 1; i++)
{
fields = records[i].Split('@');
if (fields[1] == BookName.Text)
{
b = true;
}
}
}
sr.Close();
fs.Close();
if (b == false && AutherIDs.SelectedIndex != -1)
{
FileStream File = new FileStream("Books.txt", FileMode.Append, FileAccess.Write);
StreamWriter sw = new StreamWriter(File);
// gets the string value of the combobox
string AuthorId = AutherIDs.SelectedItem.ToString().Trim('\0');
//writes the book using '@' dilimter only if the auther id is valid
sw.Write(SerialNumber.Text);
sw.Write('@');
sw.Write(BookName.Text);
sw.Write('@');
sw.Write(PublishYear.Text);
sw.Write('@');
sw.Write(dic[AuthorId]);
sw.Write('#');
//resets the text boxes
SerialNumber.Clear();
BookName.Clear();
PublishYear.Clear();
AutherIDs.SelectedText = " ";
// Confirms the addition to the user
MessageBox.Show("Book added sucssefully.");
sw.Close();
File.Close();
}
else
{
MessageBox.Show("Book already exists.");
}
}
}
