scilab with web

Hello,

In my code i need to send some input parameters to scilab, process it there and the result should return back to web.
For example if i want to find factorial of a number using scilab and result should display on button click , how will write code for that.

class file
    {
        [DllImport(@"F:\scilab-5.4.1\bin\call_scilab.dll", EntryPoint = "StartScilab", ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]

public void calscilab()
{
StartScilab(null, null, 0);

SendScilabJob("disp(factorial(6));");

}

}

and in default.aspx.cs file

protected void btnres_Click(object sender, EventArgs e)
{
sci.calscilab();

}

pls do help me.