private void btnSave_Click(object sender, EventArgs e)
{
ProgramModel objStudent = new ProgramModel();
objStudent.ProgramCode = txtcode.Text;
objStudent.ProgramName = txtName.Text;
objStudent.ProgramDescription = txtDes.Text;
objStudCore.insertProgram(objStudent);
//reset feilds
txtcode.Text = "";
txtName.Text = "";
txtDes.Text = "";
loadData();
}