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rated 0 times [  187] [ 6]  / answers: 1 / hits: 31215  / 15 Years ago, sat, september 12, 2009, 12:00:00

I am trying to use jquery or jscript to click a hidden button and I always get
Microsoft JScript runtime error: Object expected error.



I have tried all of the following (all with the same results):



$('#btnCompleteHidden').click();or:
$('#btnCompleteHidden').trigger('click');With plain JavaScript:
document.getElementById('btnCompleteHidden').onclick();
$('#<%=btnCompleteHidden.ClientID %>').click();Or:
document.getElementById('<%=btnCompleteHidden.ClientID %>').click();


I have tried making the button visible and still the same results.



I will post the aspx page here:







    <script type=text/javascript>
function FileDownloader_DownloadStep(Step){
//The file list is going to be downloaded - 2 = About to Start
if (Step == 2){
//Dynamically build the filelist for the downloader
getFileDownloader(FileDownloader).setFileList(GetFileList.aspx);
}
//The user has confirmed the download - 6 = File Download About to Start
if (Step == 6){
//Perform the initialization updates to the first file only
var xmlhttp;
if (typeof XMLHttpRequest != 'undefined') {
xmlhttp = new XMLHttpRequest();
}
if (!xmlhttp) {
throw Browser doesn't support XMLHttpRequest.;
}
var data = ;
xmlhttp.open(POST, UpdateVideoInitiated.aspx, true);
//Send the proper header information along with the request
xmlhttp.setRequestHeader(Content-type, application/x-www-form-urlencoded);
//xmlhttp.setRequestHeader(Content-length, data.length);
xmlhttp.setRequestHeader(Connection, close);
xmlhttp.send(data);
}
}
function onDownloadItemComplete(Result, ErrorPage, Url, FileName, ContentType, FileSize){
var xmlhttp;
var data;

//The handler will display the error description or updates as noted
switch (Result){
//Update the completed file as complete and then perform initialization updates to the next file only
case 1: if (typeof XMLHttpRequest != 'undefined') {
xmlhttp = new XMLHttpRequest();
}
if (!xmlhttp) {
throw Browser doesn't support XMLHttpRequest.;
}
data = FileName;
xmlhttp.open(POST, UpdateVideoDownloaded.aspx?FileName= + FileName + &FileSize= + FileSize, true);
//Send the proper header information along with the request
xmlhttp.setRequestHeader(Content-type, application/x-www-form-urlencoded);
//xmlhttp.setRequestHeader(Content-length, data.length);
xmlhttp.setRequestHeader(Connection, close);
xmlhttp.send(data);
break;
case 2: alert(An error has occurred while downloading the file + FileName);
break;
//Update any skipped files to back off the initialization updates to the passed file only
case 3: if (typeof XMLHttpRequest != 'undefined') {
xmlhttp = new XMLHttpRequest();
}
if (!xmlhttp) {
throw Browser doesn't support XMLHttpRequest.;
}
data = FileName;
xmlhttp.open(POST, UpdateVideoSkipped.aspx?FileName= + FileName, true);
//Send the proper header information along with the request
xmlhttp.setRequestHeader(Content-type, application/x-www-form-urlencoded);
//xmlhttp.setRequestHeader(Content-length, data.length);
xmlhttp.setRequestHeader(Connection, close);
xmlhttp.send(data);
break;
case 4: alert(The server returned a wrong MIME type (should be + ContentType + ) for the file + FileName);
break;
case 5: alert(The server returned a wrong size (should be + FileSize + ) for the file + FileName);
break;
case 6: alert(An error has occurred while writing the file + FileName + to disk);
break;
case 7: alert(The file + FileName + could not be found on the + server);
break;
case 8: alert(Access to the file + FileName + denied);
break;
case 9: alert(Time out while downloading the file + FileName);
break;
}
}
function onDownloadComplete(Result){
//The handler will display the error description
switch (Result){
//Update the member download statistics and rebind the grid
case 0: $('#btnCompleteHidden').click();
break;
case 1: alert(An error has occurred while creating the file list);
break;
case 2: alert(An error has occurred while downloading the file list);
break;
case 3: alert(The file list is empty);
break;
case 7: alert(The file list could not be found on the server);
break;
case 8: alert(Access to the file list denied);
break;
case 9: alert(Time out while downloading the file list);
break;
}
}
</script>





<div class=borderDiv>
<table cellspacing=0 class=borderTable0 width=100%>
<tr>
<td class=Subhdr >
<asp:label id=lblScreenHeader Cssclass=ScreenHdr runat=server Height=24px>Member Video Download Detail</asp:label>
</td>
</tr>
</table>
<div class=NinetyNine5PercentWide SolidThreePixelBorder style=background-color:White>
<div class=OneHundredPercentWide EightPixelTopMargin TenPixelBottomMargin>
<div class=FileListHdr>
&nbsp;&nbsp;&nbsp;&nbsp;
<span>Current Escrow Balance (Available for Future Use):</span>
&nbsp;&nbsp;
<asp:label ID=lblAvailableBalance Cssclass=FileListHdr runat=server >$280.00</asp:label>
&nbsp;&nbsp;&nbsp;&nbsp;
<asp:label ID=lblAvailableBalanceMessage Cssclass=FileListHdr runat=server ></asp:label>
</div>
</div>
<div class=NinetyNinePercentWide>
<div class=FileListHdr EightPixelBottomMargin>
&nbsp;&nbsp;&nbsp;&nbsp;
<span class=FileListHdr >Number of Files Selected for Download:</span>
&nbsp;
<asp:label ID=lblTotalFiles Cssclass=FileListHdr runat=server ></asp:label>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<span class=FileListHdr >Total MBytes:</span>
&nbsp;
<asp:label ID=lblTotalMBytes Cssclass=FileListHdr runat=server ></asp:label>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<span class=FileListHdr >Estmated Download Time:</span>
&nbsp;
<asp:label ID=lblEstimatedTime Cssclass=FileListHdr runat=server ></asp:label>
<asp:Button id=btnCompleteHidden runat=server Text=CH Style=visibility: hidden
Enabled=true OnClick=btnCompleteHidden_OnClick></asp:Button>
</div>
</div>
<div class=NinetyNinePercentWide>
<div class=OneHundredPercentWide>
<div class=DivDownload >
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<script type=text/javascript>
//Create JavaScript object that will embed File Downloader to the page
var fd = new FileDownloaderWriter(FileDownloader, 170, 28);

//For ActiveX control full path to CAB file (including file name) should be specified
fd.activeXControlCodeBase = aurigma/FileDownloader2.cab;
fd.activeXControlVersion = 2,0,16,0;

//Set the Download button text
fd.addParam(ButtonDownloadText, DOWNLOAD NOW);

//Set the Download button background color
//fd.addParam(BackgroundColor, #E0EBFF);
fd.addParam(BackgroundColor, White);

//Set the Download button regular image
fd.addParam(ButtonDownloadImageFormat, width=170;height=28;BackgroundColor=White; +
urlNormal=App_Themes/Default/images/BtnDownload.jpg; +
urlHover=App_Themes/Default/images/BtnHover.jpg; +
urlPressed=App_Themes/Default/images/BtnPressed.jpg; +
urlDisabled=App_Themes/Default/images/BtnPressed.jpg);

//Set license key
fd.addParam(LicenseKey, 73020-10000-D8066-8CFDB-84249);

//Set reconnect attampts count
fd.addParam(ReconnectAttemptsCount, 360);

//Set reconnect timeout value (30000 = 10 seconds)
fd.addParam(ReconnectTimeOut, 10000);

//The following listener will perform some actions when the file list is about to be downloaded
fd.addEventListener(DownloadStep, FileDownloader_DownloadStep);

//The following listener will perform some actions when download of a single file is finished
fd.addEventListener(DownloadItemComplete, onDownloadItemComplete);

//The following listener will perform some actions when download process is complete
fd.addEventListener(DownloadComplete, onDownloadComplete);

//The following listener will perform some actions when a general error is detected
//fd.addEventListener(Error, onError);

//Add page load listener
//fd.fullPageLoadListenerName = fullPageLoad;

//Set instructions property
fd.instructionsEnabled = true;

//Tell File Downloader writer object to generate all necessary HTML code to embed File Downloader into the page
fd.writeHtml();
</script>
</div>
<div class=FileListHdr>
<asp:RadioButtonList id=rblMemberMachine runat=server Font-Bold=True BackColor=White ToolTip=Please select machine for downloading
CssClass=Radio FileListHdr RepeatDirection=Horizontal textAlign=right BorderStyle=None
AutoPostBack=True OnSelectedIndexChanged=rblMemberMachine_SelectedIndexChanged >
<asp:ListItem Text=Machine 1 Value=1 Selected=True></asp:ListItem>
<asp:ListItem Text=Machine 2 Value=2></asp:ListItem>
<asp:ListItem Text=Machine 3 Value=3></asp:ListItem>
</asp:RadioButtonList>
</div>
</div>
</div>
</div>
<div class=OneHundredPercentWide >
<asp:Panel ID=Panel1 runat=server Width=100% >
<asp:GridView id=grvSessionOrderDownloads runat=server BorderWidth=2px BorderStyle=Solid BorderColor=#C0C0FF
Font-Names=Arial Font-Bold=True Font-Size=8pt GridLines=Horizontal AutoGenerateColumns=False
HorizontalAlign=Left ForeColor=Blue CellPadding=2 AllowSorting=True Width=100%
OnRowDataBound=grvSessionOrderDownloads_OnRowDataBound >

<HeaderStyle Font-Names=Arial HorizontalAlign=Center ForeColor=White BackColor=#152EE5
CssClass=sessionOrderDownloadHeaders Font-Size=Medium />
<RowStyle BackColor=White ForeColor=#333333 />
<AlternatingRowStyle BackColor=#A5B0FF />

<Columns>
<asp:BoundField Visible=False DataField=SORD_ID HeaderStyle-Width=0px >
<HeaderStyle Width=0px />
</asp:BoundField>
<asp:TemplateField HeaderStyle-Width=0px >
<ItemTemplate>
<asp:CheckBox Visible=False Enabled=false ID=HiddenCheckBox runat=server
Checked='<%# Eval(SORD_SelectedForDownloadFlag) %>' />
</ItemTemplate>
<HeaderStyle Width=0px />
</asp:TemplateField>
<asp:TemplateField HeaderText=Select Files HeaderStyle-ForeColor=White >
<ItemTemplate >
&nbsp;&nbsp;&nbsp;
<asp:ImageButton id=btnSelectVideo runat=server CommandArgument='<%# Eval(SORD_ID) %>'
CommandName=CheckUncheckVideo ImageUrl='<%# GetCheckboxImage(Container.DataItem) %>'
Enabled='<%# Eval(SORD_EnableSelectionCheckBox) %>'
Visible='<%# Eval(SORD_EnableSelectionCheckBox) %>'/>
</ItemTemplate>
<HeaderStyle Width=4% />
<ItemStyle VerticalAlign=Bottom />
</asp:TemplateField>
<asp:BoundField DataField=SORD_OSTA_ID ReadOnly=True HeaderStyle-ForeColor=White
HeaderText=Status>
<HeaderStyle Width=6% />
<ItemStyle CssClass=sessionOrderDownloadItems />
</asp:BoundField>
<asp:BoundField DataField=SORD_Topic ReadOnly=True HeaderStyle-ForeColor=White
HeaderText=General <br /> Topic HtmlEncode=false >
<HeaderStyle Width=15% />
<ItemStyle CssClass=sessionOrderDownloadItems />
</asp:BoundField>
<asp:BoundField DataField=SORD_Session ReadOnly=True HeaderStyle-ForeColor=White
HeaderText=Session <br /> YYMMDD HtmlEncode=false DataFormatString={0:00-00-00} >
<HeaderStyle Width=6% />
<ItemStyle CssClass=sessionOrderDownloadItems />
</asp:BoundField>
<asp:BoundField DataField=SORD_FileExtension ReadOnly=True HeaderStyle-ForeColor=White
HeaderText=File <br /> Type HtmlEncode=false >
<HeaderStyle Width=5% />
<ItemStyle CssClass=sessionOrderDownloadItems />
</asp:BoundField>
<asp:BoundField DataField=SORD_SessionTitle ReadOnly=True HeaderStyle-ForeColor=White
HeaderText=Presentation's Video-Title <br /> &nbsp;&nbsp; (or) Support-File Name HtmlEncode=false >
<HeaderStyle Width=29% />
<ItemStyle CssClass=sessionOrderDownloadItems />
</asp:BoundField>
<asp:BoundField DataField=SORD_VideoUnlockKey ReadOnly=True HeaderStyle-ForeColor=White
HeaderText=File Unlock <br /> Password HtmlEncode=false >
<HeaderStyle Width=15% />
<ItemStyle CssClass=sessionOrderDownloadItems />
</asp:BoundField>
<asp:BoundField DataField=SORD_LastDownloadDate
ReadOnly=True HeaderStyle-ForeColor=White HeaderText=Last <br /> Download htmlEncode=False
DataFormatString={0:d} >
<HeaderStyle Width=10% />
<ItemStyle CssClass=sessionOrderDownloadItems />
</asp:BoundField>
<asp:BoundField DataField=SORD_RemainingDownloads
ReadOnly=True HeaderStyle-ForeColor=White HeaderText=Remaining <br /> Downloads htmlEncode=False DataFormatString={0:##0} >
<HeaderStyle Width=10% />
<ItemStyle CssClass=sessionOrderDownloadItems />
</asp:BoundField>
</Columns>

</asp:GridView>
</asp:Panel>
</div>
</div>
<br />
&nbsp;&nbsp;&nbsp;
<asp:Label ID=Errormsg runat=server ForeColor=#CC0000></asp:Label>



More From » jquery

 Answers
32

Few thoughts:




  1. Are you including the jQuery script file into this page? That might explain issues with error messages about the $ variable.


  2. Use click() instead of onclick() to fire click events. onclick is a handler that is fired when the element is clicked, but is not used to initiate the event itself.


  3. The element's id might not be what you have defined in the page due to ASP.NET namespacing and its goals of ensuring unique element ids on the client. An easy way to figure this all out is to View Source on a rendered page and find your button and its real id.


  4. As mentioned in the comments to this post, the jQuery script must referenced by the page via a <script> tag for the jQuery functions to work.




EDIT: Added point #4.


[#98711] Monday, September 7, 2009, 15 Years  [reply] [flag answer]
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benitoh

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