Unable to call web service 2nd time From jQuery_问答_开发者

Unable to call web service 2nd time From jQuery

开发者 https://www.devze.com 2023-04-05 08:30 出处：网络

I am unable to call web service 2nd time from jQuery function code is here. Page: <telerik:RadCodeBlock ID=\"RadCodeBlock1\" runat=\"server\">

I am unable to call web service 2nd time from jQuery function code is here.

Page:

<telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
<scri开发者_JS百科pt type="text/javascript">
function getCityByPinCode() {
        var path = '<%=ConfigurationManager.AppSettings["AutoComplete"].ToString() %>';
        $.ajax({
            type: "POST",
            url: "" + path + "/CityBasedOnPinCode",
            data: "{pincode: '" + $("#<%=ntxbPostCode.ClientID%>").val() + "'}",
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: OnSuccess,
            error: OnError
        });
    }
    function OnSuccess(data, status) {
        var city = document.getElementById('<%= tbxCity.ClientID %>');
        var val1 = data.d;
        document.getElementById("ContentPlaceHolder1_CompanyDetails1_tbxCity").value = val1;
    }

    function OnError(request, status, error) {
        alert(request.statusText);
    }
</script>
</telerik:RadCodeBlock>
<body>
 <telerik:RadNumericTextBox ID="ntxbPostCode" runat="server" DataType="System.Int32"
    MaxLength="4" TabIndex="4" Width="95%" DecimalDigits="0" ClientEvents-OnValueChanged="getCityByPinCode()">
 </telerik:RadNumericTextBox>

 <asp:TextBox ID="tbxCity" runat="server" Width="95%" TabIndex="5"></asp:TextBox>
</body>

Web service:

public string CityBasedOnPinCode(string pincode)
{
    int pcode = 0;
    int.TryParse(pincode, out pcode);
    List<usp_CityBasedOnPinCodeResult> lstCity = new CityDA().CityBasedOnPincode(pcode);
    return lstCity[0].CityName.ToString();
}

I want to fill city textbox on the base of pincode entered.So when User Enters pincode,he/she gets city name automatically.When I put value of pincode predefined it gives me perfect result but when i am entering new value i got error as follows

Microsoft JScript runtime error: Object expected.

Note that if i have value of pincode in textbox at page load time(edit time) Then i am getting proper value but not getting value after changing value of textbox. jQuery is included in masterpage. so not included here.

Since you are subscribing to the client-side event offered by the RadNumericTextBox it might be easier to use the event arguments in your code as opposed to using a selector to get a hold of the value. You can see an example of how to get the new value from the OnValueChanged event right here.

Along with this, when I changed the code to the following everything worked fine on my end:

<script type="text/javascript">
    function getCityByPinCode(sender, eventArgs) {
        //do stuff
    }
</script>

<telerik:RadNumericTextBox ID="ntxbPostCode" runat="server" DataType="System.Int32"
    MaxLength="4" TabIndex="4" Width="95%" DecimalDigits="0" ClientEvents-OnValueChanged="getCityByPinCode">
</telerik:RadNumericTextBox>
<br />
<asp:TextBox ID="tbxCity" runat="server" Width="95%" TabIndex="5"></asp:TextBox>

This prevented the event from firing on initial page load (which it was with your code) and also ensure that I managed to get the new value of the RadNumericTextBox with the get_newValue() function.

Small note: you should be able to just use the city variable in the OnSuccess function to set its value, as opposed to calling getElementbyID again.