private void cboEmpID_SelectedIndexChanged(object sender, EventArgs e)
{
selectClass.getDetails(cboEmpID);
txtEmpName.Text = selectClass.fullName;
txtDepartment.Text = selectClass.deptart;
txtcontact.Text = selectClass.cont;
txtDesignation.Text = selectClass.designate;
txtUname.Text = txtEmpName.Text.Trim();
}