DotNetSlackers Community » Web Development » ASP.NET AJAX / Javascript General Questions » Error with Ajax Control

Error with Ajax Control

Last post 07-08-2008 9:57 AM by dbrook007. 32 replies.
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  • 07-07-2008 2:15 PM

    Error with Ajax Control

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    I tried the getting started code in vb from:

     

    ..and converted to C# for asp.net 2.0

    But, when I try it, I get this error:

    "Microsoft JScript runtime error: 'DataService' is undefined"

    in a message box.

    This is the markup:

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title>Untitled Page</title>
    </head>
    <body>
        <form id="form1" runat="server">
            <asp:ScriptManager ID="ScriptManager1" runat="server" >
                <Services>
                    <asp:ServiceReference Path="~/DataService.asmx" />
                </Services>
            </asp:ScriptManager>
            <div>
                <br />
                <br />
                &nbsp;<AjaxData:GridView ID="MyGrid" runat="server">
                </AjaxData:GridView>
                <script type="text/javascript">
                    var _grid = null;
                    function pageLoad(sender, e)
                    {
                      _grid = $find('<%= MyGrid.ClientID %>');
                      DataService.TestData(onLoadSuccess);
                    }
                          
                    function onLoadSuccess(result)
                    {
                      _grid.set_dataSource(result.rows);
                      _grid.dataBind();
                    }      
                </script>
            </div>
        </form>
    </body>
    </html>

    I don't know what is wrong?

    Thanks - Darren

     

    dbrook007

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  • 07-07-2008 2:16 PM In reply to

    Re: Error with Ajax Control

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    ps: the above is from:

    http://dotnetslackers.com/Community/blogs/sonukapoor/archive/2008/06/13/ajaxdatacontrols-adc-faq-how-to-get-started-with-the-ajaxdatacontrols-with-visual-studio-2005.aspx

    thanks - darren

     

    dbrook007

  • 07-07-2008 2:21 PM In reply to

    • sonu
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    Re: Error with Ajax Control

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    Does the DataService.asmx file exist in the root folder?

    Check the viewsource and find the link with .asmx/debug or something and enter that in the browser. Let me know what result you get.

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  • 07-07-2008 2:27 PM In reply to

    • xxxd
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    Re: Error with Ajax Control

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     Were you using exactly the same source code and had the error?

    Have you created a webservice called dataservice.asmx? Can you test the web service seperately?

    Xun

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    Programmatically Speaking ...

  • 07-07-2008 2:30 PM In reply to

    • xxxd
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    Re: Error with Ajax Control

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    Sorry, sonu, clashed with yours.

    Xun

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    Programmatically Speaking ...

  • 07-07-2008 2:31 PM In reply to

    Re: Error with Ajax Control

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    Hi,

    Sonu:

    Does the DataService.asmx file exist in the root folder?

    Check the viewsource and find the link with .asmx/debug or something and enter that in the browser. Let me know what result you get.

     

    DataService.asmx is in the root folder.  The webservice tested by itself seems to work ok. This is the viewsource:


    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head><title>
        Untitled Page
    </title></head>
    <body>
        <form name="form1" method="post" action="Default.aspx" id="form1">
    <div>
    <input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" />
    <input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" />
    <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwULLTE1NTc0OTQ3NTgPZBYCAgMPZBYCAgEPD2RkZGTLjtkdS8tqInngTYwnY1XtueB1/Q==" />
    </div>

    <script type="text/javascript">
    //<![CDATA[
    var theForm = document.forms['form1'];
    if (!theForm) {
        theForm = document.form1;
    }
    function __doPostBack(eventTarget, eventArgument) {
        if (!theForm.onsubmit || (theForm.onsubmit() != false)) {
            theForm.__EVENTTARGET.value = eventTarget;
            theForm.__EVENTARGUMENT.value = eventArgument;
            theForm.submit();
        }
    }
    //]]>
    </script>


    <script src="/ADCProject01/WebResource.axd?d=ar6Q9T2kjogBYOljiis-xQ2&amp;t=633370439767968750" type="text/javascript"></script>


    <script src="/ADCProject01/ScriptResource.axd?d=ZVpcUSaHOaa0VBS4SGdcSgTFlh6gFanToS-12NH1YFhdf0LUDomxCtcN-MLe-71CjUOct1FJjwhCbueIqE1dzHMl-hkNyL8ncqnHo6RwF7g1&amp;t=633408516571687500" type="text/javascript"></script>
    <script src="/ADCProject01/ScriptResource.axd?d=ZVpcUSaHOaa0VBS4SGdcSgTFlh6gFanToS-12NH1YFhdf0LUDomxCtcN-MLe-71CjUOct1FJjwhCbueIqE1dzNnyyk1yOZtgrNq8H2rPY-CdHWSxNPPaCohRPkWBK41l0&amp;t=633408516571687500" type="text/javascript"></script>
    <script src="/ADCProject01/WebResource.axd?d=ymY3wVcFaoi-E8bWu02SCG6OcFetiGYttwajJ98klu-05NKwtETvExfS0SECaChmvJ8fUT72mYqOsuxA_Oiblw2&amp;t=633351028380000000" type="text/javascript"></script>
    <script src="/ADCProject01/WebResource.axd?d=ymY3wVcFaoi-E8bWu02SCG6OcFetiGYttwajJ98klu9jdeSO_ACnPWTNIZbXDwP_5lczRpHsfjcQWM1ZPYvmYg2&amp;t=633351028380000000" type="text/javascript"></script>
    <script src="/ADCProject01/WebResource.axd?d=ymY3wVcFaoi-E8bWu02SCG6OcFetiGYttwajJ98klu-mkQGsAlBL768OrQd_lNU8V2n8Ixue0u3S9mz5TAE2iFP-jX03s5xtrHgCEg44UujumurMu9tOOVOgnCcx8STB0&amp;t=633351028380000000" type="text/javascript"></script>
    <script src="DataService.asmx/jsdebug" type="text/javascript"></script>
            <script type="text/javascript">
    //<![CDATA[
    Sys.WebForms.PageRequestManager._initialize('ScriptManager1', document.getElementById('form1'));
    Sys.WebForms.PageRequestManager.getInstance()._updateControls([, [, [, 90);
    //]]>
    </script>

            <div>
                <br />
                <br />
                &nbsp;<table id="MyGrid">

    </table>
                <script type="text/javascript">
                    var _grid = null;
                    function pageLoad(sender, e)
                    {
                      _grid = $find('MyGrid');
                      DataService.TestData(onLoadSuccess);
                    }
                          
                    function onLoadSuccess(result)
                    {
                      _grid.set_dataSource(result.rows);
                      _grid.dataBind();
                    }      
                </script>
            </div>
       

    <script type="text/javascript">
    //<![CDATA[
    Sys.Application.initialize();
    Sys.Application.add_init(function() {
        $create(AjaxDataControls.GridView, null, null, null, $get("MyGrid"));
    });
    //]]>
    </script>
    </form>
    </body>
    </html>

     

    Thanks - Darren

     

    dbrook007

  • 07-07-2008 2:36 PM In reply to

    • sonu
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    Re: Error with Ajax Control

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    Can you run this in the browser and tell us what you see?

    http://REPLACE_ME/DataService.asmx/jsdebug

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  • 07-07-2008 2:55 PM In reply to

    Re: Error with Ajax Control

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    Sure... I see this:

    Server Error in '/ADCProject01' Application.

    Type: 'Microsoft.Web.Preview.Script.Serialization.Converters.DataSetConverter, Microsoft.Web.Preview' cannot be found.

    Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

    Exception Details: System.ArgumentException: Type: 'Microsoft.Web.Preview.Script.Serialization.Converters.DataSetConverter, Microsoft.Web.Preview' cannot be found.

    Source Error:

    An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

    Stack Trace: 

    [ArgumentException: Type: 'Microsoft.Web.Preview.Script.Serialization.Converters.DataSetConverter, Microsoft.Web.Preview' cannot be found.]
       System.Web.Configuration.ConvertersCollection.CreateConverters() +472
       System.Web.Configuration.ApplicationSettings..ctor() +94
       System.Web.Script.Services.WebServiceData..ctor(WebServiceTypeData typeData) +108
       System.Web.Script.Services.WebServiceData..ctor(Type type, Boolean pageMethods) +74
       System.Web.Script.Services.WebServiceData.GetWebServiceData(HttpContext context, String virtualPath, Boolean failIfNoData, Boolean pageMethods) +235
       System.Web.Script.Services.WebServiceClientProxyGenerator.GetClientProxyScript(HttpContext context) +58
       System.Web.Script.Services.RestClientProxyHandler.ProcessRequest(HttpContext context) +14
       System.Web.Script.Services.HandlerWrapper.ProcessRequest(HttpContext context) +10
       System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +358


       System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64

    Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433

     


    Thanks - Darren

    dbrook007

  • 07-07-2008 3:03 PM In reply to

    • sonu
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    Re: Error with Ajax Control

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    You are missing the converters. Check the converters section in my web.config. You will also need to add the Microsoft.Web.Preview.dll dll into your project, which is also in my project.

    http://dotnetslackers.com/Community/blogs/sonukapoor/ADCSampleWebsite.zip

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  • 07-07-2008 3:13 PM In reply to

    Re: Error with Ajax Control

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    I did follow the instructions on the webpage.... This is a snapshot of my web.config.:

        <scripting>
                <webServices>
                    <!-- Uncomment this line to customize maxJsonLength and add a custom converter -->
                    <jsonSerialization maxJsonLength="4194304">
                        <converters>
                            <add name="DataSetConverter" type="Microsoft.Web.Preview.Script.Serialization.Converters.DataSetConverter, Microsoft.Web.Preview"/>
                            <add name="DataRowConverter" type="Microsoft.Web.Preview.Script.Serialization.Converters.DataRowConverter, Microsoft.Web.Preview"/>
                            <add name="DataTableConverter" type="Microsoft.Web.Preview.Script.Serialization.Converters.DataTableConverter, Microsoft.Web.Preview"/>
                        </converters>
                    </jsonSerialization>
                    <!-- Uncomment this line to enable the authentication service. Include requireSSL="true" if appropriate. -->
                    <!--
            <authenticationService enabled="true" requireSSL = "true|false"/>
          -->
                    <!-- Uncomment these lines to enable the profile service. To allow profile properties to be retrieved
               and modified in ASP.NET AJAX applications, you need to add each property name to the readAccessProperties and
               writeAccessProperties attributes. -->
                    <!--
          <profileService enabled="true"
                          readAccessProperties="propertyname1,propertyname2"
                          writeAccessProperties="propertyname1,propertyname2" />
          -->
                </webServices>
                <!--
          <scriptResourceHandler enableCompression="true" enableCaching="true" />
          -->
            </scripting>

     

    and the microsoft.web.preview.dll is in teh project too.

     

    Thanks - Darren

     

     

     

    dbrook007

  • 07-07-2008 3:18 PM In reply to

    • sonu
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    Re: Error with Ajax Control

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    Hm... That seems to be fine to me. Are you using the latest microsoft.web.preview.dll? Can you restart IIS (maybe its using some old dlls somewhere). Can you run my project?

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  • 07-07-2008 3:23 PM In reply to

    Re: Error with Ajax Control

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    I am not using IIS.  I am developing locally using Windows XP Pro (SP3).  I don't have a server available to me.

    If Microsoft.Web.Preview.Dll is needed on the server, is this not going to be a problem in a shared hosting environment that has not got ASP.Net Futures installed?

    Thanks - Darren

     

     

    dbrook007

  • 07-07-2008 3:29 PM In reply to

    • sonu
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    Re: Error with Ajax Control

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    You will just need the dll in your bin folder - that should not be a problem in my view.

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  • 07-07-2008 3:40 PM In reply to

    Re: Error with Ajax Control

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    I still have the same problem locally?

    Thanks - Darren

     

     

    dbrook007

  • 07-07-2008 3:45 PM In reply to

    • sonu
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    Re: Error with Ajax Control

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    Even with my version?

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