MVC label hide

Question

I am posting a code snippet .in this I want to turn the label unvisible upon change of radiobutton list selection.

 

While the dropdownlist are hiding properly , the label is not hiding .

Please let me know the reason why ?

 <div>
    @Html.BeginForm()
    <div style="text-align:center;text-decoration:solid;font-family:Arial;font-size:x-large;font-weight:bold;font-style:inherit"> @Html.Label("PO Transfer") </div> <br/><br />
    <table id="Table1" cellspacing="1" cellpadding="1" width="600" border="0" align="center">
        <tr>
            <td width="210">@Html.Label("Select Method")</td>
            <td>
                @Html.RadioButton("rbGrp","1", isChecked:true)@Html.Label("Country")
                @Html.RadioButton("rbGrp", "2", isChecked: false)@Html.Label("Physician")
                @Html.RadioButton("rbGrp", "3", isChecked: false)@Html.Label("PO")
            </td>
        </tr>
        <tr>
            <td width="210">@Html.Label("dropCountry","Country")           
            </td>
            <td>
                @Html.DropDownList("dropCountry", Model.CountryList, new { @style = "display:visible;" })
                @Html.ValidationMessage("dropCountry")
            </td>
        </tr>
        <tr>
            <td width="210">@Html.Label("dropPhysician","Physician")</td>
            <td>
                @Html.DropDownList("dropPhysician", Model.PhysicianList, new { @style = "display:none;" })
                @*@Html.DropDownListFor(m => m.PhysicianList, new SelectList(Model.GetPhysicianList(), "Value", "Text", -1))*@
            </td>
        </tr>
        <tr>
            <td width="210">@Html.Label("dropPO","PO")</td>
            <td>
                @Html.DropDownList("dropPO", Model.POList, new { @style = "display:none;" })
                @*@Html.DropDownListFor(m => m.POList, new SelectList(Model.GetPOList(), "Value", "Text", -1))*@
            </td>
        </tr>
        <tr>
            <td width="210">@Html.Label("dropToPO","To PO")</td>
            <td>
                @Html.DropDownList("dropToPO", Model.POList, new { @style = "display:visible;" })
                @*@Html.DropDownListFor(m => m.POList, new SelectList(Model.GetPOList(), "Value", "Text", -1))*@
            </td>
        </tr>
        <tr>
            <td colspan="2">  <input type="submit" name="Transfer" value="Transfer" /> </td>
        </tr>


        </table>
    <script language="javascript">
        $(':radio[name=rbGrp]').change(function () {
            // read the value of the selected radio
            var value = $(this).val();
            if (value == '1') {
                $('#dropPhysician').hide();
                $('#dropPO').hide();
                $('#dropCountry').show();
              
              
            }
            else if (value == "2") {
                $('#dropPhysician').show();
                $('#dropPO').hide();
                $('#dropCountry').hide();
             

               
            }
            else if (value == "3")
            {
                $('#dropPhysician').hide();
                $('#dropPO').show();
                $('#dropCountry').hide();
             
            }
        });

    </script>
</div>