private void btnManageOrder_Click(object sender, EventArgs e)
{
frmManageOrders obj = frmManageOrders.getInstance(empID);
obj.Show();
obj.BringToFront();
}
public static frmManageOrders getInstance(string empID)
{
if (instance == null || instance.IsDisposed)
{
instance = new frmManageOrders(empID);
}
return(instance);
}