『清除LISTBOX』
orderListBox.Items.Clear();
『I/O操作』
文件头
StreamWriter fileStreamWriter;
StreamReader fileStreamReader;
文件中
fileStreamWriter = new StreamWriter("custInfo.txt");
读写
fileStreamWriter.WriteLine(nameTextBox.Text);
nameTextBox.Text = fileStreamReader.ReadLine();
『读取并判断文件是不是结束了』
string genderString;
if (fileStreamReader.Peek() != -1)
{
nameTextBox.Text = fileStreamReader.ReadLine();
genderString = fileStreamReader.ReadLine();
if (genderString == "Male")
{
maleRadioButton.Checked = true;
}
else
{
femaleRadioButton.Checked = true;
}
『列表』
while (fileStreamReader.Peek() != -1)