C#

private void Form1_Load(object sender, EventArgs e)
       {
           readThread = new Thread(new ThreadStart(Read));
           port = new SerialPort();

           port.BaudRate = 921600;
           port.PortName = "COM16";
           port.Parity = Parity.None;
           port.DataBits = 8;
           port.StopBits = StopBits.One;
           port.ReadTimeout = 30000;
           port.WriteTimeout = 30000;
         //  port.Handshake = Handshake.XOnXOff;
           port.DtrEnable = true;
           port.RtsEnable = true;
              port.DataReceived += new SerialDataReceivedEventHandler(port_DataReceived);
           port.Open();


       }

       private void buttonSend_Click(object sender, EventArgs e)
       {
           port.Write("AT+CUSD=1,\"*140*1#\",15" + System.Environment.NewLine);

       }


       private void port_DataReceived(object sender, SerialDataReceivedEventArgs e)
       {


               SerialPort spL = (SerialPort)sender;
               byte[] buf = new byte[spL.BytesToRead];
               spL.Read(buf, 0, buf.Length);
               foreach (Byte b in buf)
               {
                   message += b.ToString();
               }
               textBoxSMS.BeginInvoke((MethodInvoker)delegate()
               {
                   textBoxSMS.Text += Encoding.ASCII.GetString(buf);
               });

       }

davidstein wrote:

i think you do not know any things about this,

Value = (Salary / 100) * percentage;

ashwini dharamsale wrote:

iam still getting error

ashwini dharamsale wrote:

send me complete code

ashwini dharamsale wrote:

int Result;
int Total;
int sal = int.Parse(txtper.Text);
Value = (Salary / 100) * percentage;

private void btnCalc_Click(object sender, EventArgs e)
{
int Value;
int percentage = 10;
int sal = 99999;
Value = (sal / 100) * percentage;
btnCalc.Text = Value.ToString();
}