private void btnSignIn_Click(object sender, EventArgs e)
{
if (txtVCESName.Text.Length == 0 && txtPassword.Text.Length == 0)
{
MessageBox.Show("Please enter user name\nand password", "VCES", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
txtVCESName.Focus();
return;
}
else if (txtVCESName.Text.Length == 0)
{
MessageBox.Show("Please enter user name", "VCES", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
txtVCESName.Focus();
return;
}
else if (txtPassword.Text.Length == 0)
{
MessageBox.Show("Please enter password", "VCES", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
txtPassword.Focus();
return;
}
btnSignIn.Enabled = false;
IPEndPoint dataBaseEP = new IPEndPoint(IPAddress.Parse("169.254.133.4"), 1350);
TcpClient myTcpClient = new TcpClient();
NetworkStream dataBaseStream;
try
{
myTcpClient.Connect(dataBaseEP);
dataBaseStream = myTcpClient.GetStream();
Data data = new Data();
data.cmd = Command.SignInStudent;
data.userName = txtVCESName.Text;
data.pwd = txtPassword.Text;
byte[] outStream = data.ToByte();
dataBaseStream.Write(outStream, 0, outStream.Length);
dataBaseStream.Flush();
byte[] inStream = new byte[myTcpClient.ReceiveBufferSize];
dataBaseStream.Read(inStream, 0, inStream.Length);
dataBaseStream.Close();
myTcpClient.Close();
Data receivedData = new Data(inStream);
switch (receivedData.cmd)
{
case Command.Varified:
vw.userName = txtVCESName.Text;
this.Hide();
vw.Show();
break;
case Command.NotVarified:
MessageBox.Show("Invalid User Name OR Password!", "VCES - Sign in", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
}
}
catch (Exception ex)
{
MessageBox.Show("VCES can't connect with server.\nPlease check your network connection", "VCES - Connection Error Message", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
finally
{
btnSignIn.Enabled = true;
}
}
private void btnClassRoom_Click(object sender, EventArgs e)
{
vw = new VideoWindow();
vw.Show();
}