private void Update_Load(object sender, EventArgs e)
{
updateData ud = db.readUpdateData(ID);
nameBox.Text = ud.name;
termBox.Text = ud.term.ToString();
}
public void HttpDownloadFile()
{
ns = httpResponse.GetResponseStream();
int i;
UIDel = new updateData(updateUI);
try
{
while ((i = ns.Read(buffer, 0, buffer.Length)) > 0)
{
downlength += i;
string value = downlength.ToString();
Dispatcher.Invoke(UIDel, value);
fs.Write(buffer, 0, i);
}
Speed.Content = (length / (1024 * totalseconds)) + "KB/s";
}
catch (DivideByZeroException) { }
catch (IOException) { }
timer.Enabled = false;
fs.Close();
ns.Close();
Dispatcher.Invoke(() =>
{
OpenButton.IsEnabled = true;
});
}
public updateData readUpdateData(int ID)
{
cmd.Connection = cn;
updateData ud = new updateData();
//updateData2 temp = new updateData2();
//List<updateData2> ud2 = new List<updateData2>();
try
{
cn.Open();
cmd.CommandText = "select name,term from student where ID='" + ID + "'";
dr = cmd.ExecuteReader();
dr.Read();
ud.name = dr[0].ToString();
ud.term = Convert.ToInt32(dr[1]);
cn.Close();
return(ud);
}
catch (Exception el)
{
cn.Close();
MessageBox.Show(el.Message);
return(null);
}
}
private void downloadFile()
{
ns = httpResponse.GetResponseStream();
int i;
UIDel = new updateData(updateUI);
while ((i = ns.Read(buffer, 0, buffer.Length)) > 0)
{
downlength += i;
string value = downlength.ToString();
this.Invoke(UIDel, value);
fs.Write(buffer, 0, i);
}
MessageBox.Show("下载完毕");
fs.Close();
this.timer1.Enabled = false;
this.lblDownloadSpeed.Text = (length / (1024 * totalseconds)) + "KB/s";
}
public void CRUD()
{
updateData args = new updateData();
UpdateHandler.Invoke(this, args);
}
