Dynamically loading user control

Discussion in 'ASP .Net Building Controls' started by Divya, Jun 4, 2004.

  1. Divya

    Divya Guest

    Hi

    I am adding a user control to an aspx page dynamically. This user control has a link button. Hence I have to enclose it in a form tag with runat=server. When I execute the page, I get a javascript runtime error (; expected). The error occurs in the asp generated part of the code. The line where this error occurs is
    else {theform = document._ctl0:form1;} in the following part of code

    <html><head><meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1"><meta name="CODE_LANGUAGE" Content="C#"><meta name="vs_defaultClientScript" content="JavaScript"><meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5"><title>NMG Digital Marketing System</title><link href= ..\code\css\default.css rel='stylesheet' type='text/css'></head><body><table border="1" width="100%" height="100%"><tr><td align="center" height="20"><h3>NMG Digital Marketing System</h3></td></tr><tr><td align="center" valign="top"><form id="mainForm" runat="server" method=post><script language="javascript"
    document.title = "Manage Admin"
    parent.parent.parent.identifyFrame(this.name, document.title)
    </script><form name="_ctl0:form1" method="post" action="index.aspx?c=admin.admincp.manageadmin" id="_ctl0_form1"><input type="hidden" name="__EVENTTARGET" value="" /><input type="hidden" name="__EVENTARGUMENT" value="" /><input type="hidden" name="__VIEWSTATE" value="dDwtOTU1NjcwNzcxO3Q8O2w8aTwxMD47PjtsPHQ8O2w8aTwwPjs+O2w8dDw7bDxpPDE+Oz47bDx0PDtsPGk8MT47PjtsPHQ8QDA8cDxwPGw8UGFnZUNvdW50O18hSXRlbUNvdW50O18hRGF0YVNvdXJjZUl0ZW1Db3VudDtEYXRhS2V5czs+O2w8aTwxPjtpPDE+O2k8MT47bDxpPDMxPjs+Oz4+Oz47Ozs7Ozs7Ozs7PjtsPGk8MD47PjtsPHQ8O2w8aTwxPjs+O2w8dDw7bDxpPDA+Oz47bDx0PHA8cDxsPFRleHQ7PjtsPDMxOz4+Oz47Oz47Pj47Pj47Pj47Pj47Pj47Pj47Pj47PkfgL7dJ8B16d6irfMFLe4UP0jBO" /><script language="javascript"><!-
    function __doPostBack(eventTarget, eventArgument)
    var theform
    if (window.navigator.appName.toLowerCase().indexOf("netscape") > -1)
    theform = document.forms["_ctl0:form1"]

    else
    theform = document._ctl0:form1

    theform.__EVENTTARGET.value = eventTarget.split("$").join(":")
    theform.__EVENTARGUMENT.value = eventArgument
    theform.submit()

    // --></script><table cellspacing="0" cellpadding="3" rules="all" border="1" id="_ctl0_dgUsers" style="height:136px;width:350px;border-collapse:collapse;"><tr><td style="font-weight:bold;">User Email Address</td><td>&nbsp;</td><td>&nbsp;</td></tr><tr><td></td><td style="width:30px;"><a href="javascript:__doPostBack('_ctl0$dgUsers$_ctl2$_ctl0','')">Edit</a></td><td style="width:30px;"><a href="javascript:__doPostBack('_ctl0$dgUsers$_ctl2$_ctl1','')">Delete</a></td></tr></table></form></form></td></tr><tr><td align="center" height="20"><i>Copyright 1998 - New Media Gateway, Inc.</i></td></tr></table></body></html

    I am loading the static HTML part of the above page from a template file and I am dynamically loading the user control (manageadmin.ascx)
    How do I solve this problem? Could someone please help

    Thanks
    -Divya
    Divya, Jun 4, 2004
    #1
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  2. "Divya" <> wrote in message
    news:...
    > Hi,
    >
    > I am adding a user control to an aspx page dynamically. This user control

    has a link button. Hence I have to enclose it in a form tag with
    runat=server. When I execute the page, I get a javascript runtime error (;
    expected). The error occurs in the asp generated part of the code. The line
    where this error occurs is
    > else {theform = document._ctl0:form1;} in the following part of code -
    >
    > <html><head><meta name="GENERATOR" Content="Microsoft Visual Studio .NET

    7.1"><meta name="CODE_LANGUAGE" Content="C#"><meta
    name="vs_defaultClientScript" content="JavaScript"><meta
    name="vs_targetSchema"
    content="http://schemas.microsoft.com/intellisense/ie5"><title>NMG Digital
    Marketing System</title><link href= ..\code\css\default.css
    rel='stylesheet' type='text/css'></head><body><table border="1" width="100%"
    height="100%"><tr><td align="center" height="20"><h3>NMG Digital Marketing
    System</h3></td></tr><tr><td align="center" valign="top"><form id="mainForm"
    runat="server" method=post><script language="javascript">
    > document.title = "Manage Admin";
    > parent.parent.parent.identifyFrame(this.name, document.title);
    > </script><form name="_ctl0:form1" method="post"

    action="index.aspx?c=admin.admincp.manageadmin" id="_ctl0_form1"><input
    type="hidden" name="__EVENTTARGET" value="" /><input type="hidden"
    name="__EVENTARGUMENT" value="" /><input type="hidden" name="__VIEWSTATE"
    value="dDwtOTU1NjcwNzcxO3Q8O2w8aTwxMD47PjtsPHQ8O2w8aTwwPjs+O2w8dDw7bDxpPDE+O
    z47bDx0PDtsPGk8MT47PjtsPHQ8QDA8cDxwPGw8UGFnZUNvdW50O18hSXRlbUNvdW50O18hRGF0Y
    VNvdXJjZUl0ZW1Db3VudDtEYXRhS2V5czs+O2w8aTwxPjtpPDE+O2k8MT47bDxpPDMxPjs+Oz4+O
    z47Ozs7Ozs7Ozs7PjtsPGk8MD47PjtsPHQ8O2w8aTwxPjs+O2w8dDw7bDxpPDA+Oz47bDx0PHA8c
    DxsPFRleHQ7PjtsPDMxOz4+Oz47Oz47Pj47Pj47Pj47Pj47Pj47Pj47Pj47PkfgL7dJ8B16d6irf
    MFLe4UP0jBO" /><script language="javascript"><!--
    > function __doPostBack(eventTarget, eventArgument) {
    > var theform;
    > if (window.navigator.appName.toLowerCase().indexOf("netscape") > -1) {
    > theform = document.forms["_ctl0:form1"];
    > }
    > else {
    > theform = document._ctl0:form1;
    > }
    > theform.__EVENTTARGET.value = eventTarget.split("$").join(":");
    > theform.__EVENTARGUMENT.value = eventArgument;
    > theform.submit();
    > }
    > // --></script><table cellspacing="0" cellpadding="3" rules="all"

    border="1" id="_ctl0_dgUsers"
    style="height:136px;width:350px;border-collapse:collapse;"><tr><td
    style="font-weight:bold;">User Email
    Address</td><td>&nbsp;</td><td>&nbsp;</td></tr><tr><td></td><td
    style="width:30px;"><a
    href="javascript:__doPostBack('_ctl0$dgUsers$_ctl2$_ctl0','')">Edit</a></td>
    <td style="width:30px;"><a
    href="javascript:__doPostBack('_ctl0$dgUsers$_ctl2$_ctl1','')">Delete</a></t
    d></tr></table></form></form></td></tr><tr><td align="center"
    height="20"><i>Copyright 1998 - New Media Gateway,
    Inc.</i></td></tr></table></body></html>
    >
    > I am loading the static HTML part of the above page from a template file

    and I am dynamically loading the user control (manageadmin.ascx).
    > How do I solve this problem? Could someone please help?


    This is a known problem in ASP.NET 1.1. There is a patch, but I'm afraid
    I've misplaced the number of the KB article.
    --
    John Saunders
    johnwsaundersiii at hotmail
    John Saunders, Jun 4, 2004
    #2
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  3. "Divya" <> wrote in message
    news:...
    > Hi John,
    >
    > Thanks for the tip. I looked up the KB article and contacted Microsoft

    about this, got the fix, installed it and it executed fine. But now, I seem
    to have another problem. I am guessing that it is due to the patch (for
    ..Net) that I installed. I have an aspx page dynamically loading a user
    control. The user control has a datagrid with a column of 'edit' link
    buttons. When the user clicks on one of the edit buttons, I want to redirect
    to another aspx page with the itemIndex of the row (that was clicked), sent
    as a query string.
    > When I execute this and click an edit button link in the datagrid, it

    throws a javascript runtime error -
    > '__EVENTTARGET' is null or not an object.
    > In the source, it points to the line -
    > theform.__EVENTTARGET.value = eventTarget.split("$").join(":");


    Divya, I didn't see this problem after applying the patch. However:
    ....

    > Below is the entire source (generated by .Net) of the page when the error

    occurs -
    >
    > <html><head><meta name="GENERATOR" Content="Microsoft Visual Studio .NET

    7.1"><meta name="CODE_LANGUAGE" Content="C#"><meta
    name="vs_defaultClientScript" content="JavaScript"><meta
    name="vs_targetSchema"
    content="http://schemas.microsoft.com/intellisense/ie5"><title>NMG Digital
    Marketing System</title><link href= ..\code\css\default.css
    rel='stylesheet' type='text/css'></head><body><table border="1" width="100%"
    height="100%"><tr><td align="center" height="20"><h3>NMG Digital Marketing
    System</h3></td></tr><tr><td align="center" valign="top"><form id="mainForm"
    runat="server" method=post><form name="__aspnetForm" method="post"
    action="index.aspx?c=test" id="__aspnetForm">

    I notice that you have a form called "mainForm". You should find a way to do
    without it. There should only be one form on the page, as far as ASP.NET is
    concerned. At the very least you should check to see if the same problem
    happens on a page without the nested forms.
    --
    John Saunders
    johnwsaundersiii at hotmail
    John Saunders, Jun 4, 2004
    #3
    1. Advertising

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