Azaad Abbas

Azaad Abbas

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Javascript 'getelementbyid("<%=lblPrice.ClientID%>") error

Mar 23 2015 3:42 AM
I have below code


<script type="text/javascript">



    $(document).ready(function () {
        $("#ddlPackName").change(function () {
            // Your requirment
            sum();
            

        });
    });
    function sum() {
        debugger;

        //               var final;
        var amountToPay = document.getElementById('<%=lblPrice.ClientID%>').value        /*Here throwing Microsoft JScript runtime error: Object required*/

        var noOfConn = document.getElementById('<%=txtNoOfConn.ClientID%>').value;
        var chargePerConn = document.getElementById('<%=txtChargePerConn.ClientID%>').value;
        var installCharge = document.getElementById('<%=txtInstallCharge.ClientID%>').value;
        var discount = document.getElementById('<%=txtDiscount.ClientID%>').value;
        var packPrice;

        if (isNaN(amountToPay)) {
            amountToPay = 0;
        }
        if (isNaN(noOfConn)) {
            noOfConn = 0;
        }
        if (isNaN(chargePerConn)) {
            chargePerConn = 0;
        }
        if (isNaN(installCharge)) {
            installCharge = 0;
        }
        if (isNaN(discount)) {
            discount = 0;
        }


        if (document.getElementById('<%=ddlConType.ClientID%>').selectedIndex == "1") {

            if (document.getElementById('<%=ddlPackName.ClientID%>').selectedIndex != "0") {


                packPrice = amountToPay;
                packPrice = amountToPay + (noOfConn * chargePerConn);
                packPrice = packPrice + installCharge;
                packPrice = packPrice - discount;

                if (!isNaN(packPrice)) {
                    document.getElementById('<%=txtAmntToPay.ClientID%>').value = packPrice;
                }

            }
            else if (document.getElementById('<%=ddlPackName.ClientID%>').selectedIndex == "0") {


                packPrice = noOfConn * chargePerConn;
                packPrice = packPrice + installCharge;
                packPrice = packPrice - discount;

                if (!isNaN(packPrice)) {
                    document.getElementById('<%=txtAmntToPay.ClientID%>').value = packPrice;
                }
            }
        }
       




    }
           </script>--%>

<asp:dropdownlist ID="ddlConType" runat="server" TabIndex="7">
            <asp:ListItem Selected="True" Value="0">SELECT</asp:ListItem>
            <asp:ListItem Value="1">Post Paid</asp:ListItem>
            <asp:ListItem Value="2">Pre Paid</asp:ListItem>
            </asp:dropdownlist>
<asp:dropdownlist ID="ddlPackName" runat="server" AutoPostBack="True" 
                TabIndex="11" onselectedindexchanged="ddlPackName_SelectedIndexChanged">
                <asp:ListItem Value="0">Select</asp:ListItem>
            </asp:dropdownlist>
<asp:TextBox ID="txtNoOfConn" runat="server" TabIndex="15" onkeypress="sum();">0</asp:TextBox>
<asp:TextBox ID="txtChargePerConn" runat="server" TabIndex="17" onkeypress="sum();">0</asp:TextBox>
<asp:TextBox ID="txtInstallCharge" runat="server" TabIndex="19" onKeypress="sum();">0</asp:TextBox>
<asp:TextBox ID="txtDiscount" runat="server" TabIndex="21" onKeypress="sum();">0</asp:TextBox>
<asp:TextBox ID="txtAmntToPay" runat="server" ReadOnly="True" TabIndex="23">0</asp:TextBox>

/*Microsoft JScript runtime error: Object required*/