confirm alert on browser close event - Page 169

jqGrid - how do I resize not just the TD but also TD inner DIV when TH (column) is resized?

- by Brandon

I need to catch the event where the columns are resized. How do I do that?

Chrome back button issue for cross browser login

I am logging in to the site using Janrain facebook login. On successful authentication from facebook i ll taken to the home page. From the home page i m navigating to other page. From that page when i click chrome browser back button, i am not taken to the home page. Instead i m taken to janrain page. Its working fine in chrome version 20. Problem in other version of chrome. Please help me in fixing this. Thanks.

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Adding on touch event to images inside gridview

- by Steve

I have a gridview where each item has a image and a textview (an app), i added the onItemClick to the gridview in order to launch the app, i also removed the orange selection and made selector in xml so when pressed the text would change to grey and on release it would return to white. My problem is that i need the image to apply an alpha value when pressed and restore the previous alpha on release i tested a lot of ways and none did worked correctly. I came close with the updated answer from the autor of the question: How to set alpha value for drawable in a StateListDrawable?, but some how the state pressed never gets called, i don´t know if this is because i am using the onitemClick to launch the app or not. Also i since i can´t define the alpha on imageview xml i don´t know what else to do Any help will be appreciated

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How to make Amazon EC2 not cause SSL invalid error in browser

- by tadatoshi

I use SSL certificate for a web site I set up in Amazon EC2 Machine Instance. The SSL certificate is for one domain name, which is not public DNS for the Amazon Machine Instance. The browser always complains the mismatch in the domain name because it compares the domain name of the SSL certificate to the Amazon public DNS. How can I set up not to cause this problem? I tried both domain name forwarding and A Record setting. Maybe it's because I'm not so familiar with Amazon EC2 and I haven't configured domain name correctly. Any help will be greatly appreciated.

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Handling click events on z-index'd layers

- by Alex

I have 2 z-index layers in a map application I'm building. I have a problem when I click on the layers to zoom in. The click handler is on the underlying z-index layer and I don't want it to fire when a control in the overlying layer is clicked. The problem i have is that the event gets raised no matter what but the originalTarget property of the event is not the image in the underlying layer when something on the top layer is clicked. Is there anyway to change this?

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Trigger Backgroundworker Completed event.

- by fireBand

Hello, I am trying to display the progress bar(marque) in a separate form (progressForm) while i do some calculation in background. I know the typical way of doing it is to include the calculation in background worker and show progressForm in main thread. This approach how ever will lead to lot of synch issues in my application hence I am showing the progressForm using progressForm.ShowDialog() inside the background worker process. But I need to trigger the Completed event with in the application to close the form. Is this possible? Thanks in advance.

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Launching default browser with html from file, then jump to specific anchor

- by Holman716

I need to open an html file from the program root directory and have it jump to a specified anchor. I can open the file perfectly fine with a simple System.Diagnostics.Process.Start("site.html") but as soon as I try to add the anchor to the end it ceases to be able to find the file. I was able to put the anchor in there and still have it launch with string Anchor Anchor = "file:///" + Environment.CurrentDirectory.ToString().Replace("\", "/") + "/site.html#Anchor"; System.Diagnostics.Process.Start(Anchor); However as soon as the browser launches it drops the anchor. Any suggestions?

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ASP.Net website makes browser load unwanted (non-referenced) plugins

- by alec0001

I've found that some of my ASP.Net web apps prompt the browser to load plugins that I'm not explicitely using and certainly haven't deliberately referenced in the project settings. Two that come to mind are for MS MediaPlayer and the "SVG Viewer for Netscape". The only commonality I've determined so far is that the two sites/apps affected both use Master pages (nested in some cases). We don't use SVG file types (just the normal mix of jpg/gif/png) and no video/audio (not yet anyway). Can anyone provide a hint as to where the references for these might be creeping in? e.g. Is it a server-level include? Or a .Net runtime default when using master pages? Does anyone else even experience this, or is it just me? No urgency, I'd just like to remove it if possible. Thanks. Al

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How to normalize SVG path data (cross browser)?

- by Timo

I have tried to find a way to implement cross browser path normalizer. There IS a native way which is described here and functional example is here, but it works only in newest Opera (but not in IE, FF, Safari, Chrome). The native way uses pathElm.normalizedPathSegList and it converts all relative coordinates to absolute ones and represents all path segment types as a following subset of types: M,L,C,z. I have found only one javascript code and jsfiddled functional example of it, but it works only in IE and FF. Chrome gives "Uncaught Error: INDEX_SIZE_ERR: DOM Exception 1". How this could be fixed to work also in Opera, Safari and Chrome or is there any other way for normalizing SVG paths?

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Programmatic binding of accelerators in wxPython

- by Inductiveload

I am trying to programmatically create and bind a table of accelerators in wxPython in a loop so that I don't need to worry about getting and assigning new IDs to each accelerators (and with a view to inhaling the handler list from some external resource, rather than hard-coding them). I also pass in some arguments to the handler via a lambda since a lot of my handlers will be the same but with different parameters (move, zoom, etc). The class is subclassed from wx.Frame and setup_accelerators() is called during initialisation. def setup_accelerators(self): bindings = [ (wx.ACCEL_CTRL, wx.WXK_UP, self.on_move, 'up'), (wx.ACCEL_CTRL, wx.WXK_DOWN, self.on_move, 'down'), (wx.ACCEL_CTRL, wx.WXK_LEFT, self.on_move, 'left'), (wx.ACCEL_CTRL, wx.WXK_RIGHT, self.on_move, 'right'), ] accelEntries = [] for binding in bindings: eventId = wx.NewId() accelEntries.append( (binding[0], binding[1], eventId) ) self.Bind(wx.EVT_MENU, lambda event: binding[2](event, binding[3]), id=eventId) accelTable = wx.AcceleratorTable(accelEntries) self.SetAcceleratorTable(accelTable) def on_move(self, e, direction): print direction However, this appears to bind all the accelerators to the last entry, so that Ctrl+Up prints "right", as do all the other three. How to correctly bind multiple handlers in this way?

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Can I modify an ASP.NET AJAX History Point?

- by Nick

I'm using ASP.NET 3.5 with AJAX and have enabled history on the Script Manager. I have 2 pages, Default.aspx and Default2.aspx. I'm using the AJAX History on the Default.aspx page and saving history points on the server-side. There are some dropdowns on Default.aspx that I don't want to save a history point for each change but would like to save the latest state so that when I click on a link on Default.aspx that navigates to Default2.aspx, when I click the back button on Default2.aspx to return I want the dropdowns to reflect what they were prior to clicking on the hyperlink. So what I'd like to do is modify the history point that I originally set on one of my ajax async postbacks on the client-side before the page navigates away to Default2.aspx. There is a location.hash javascript property that looks like it may do what I want but when I modify the value the Script Manager Navigate event is firing. Is there a way to prevent this event from firing? And would this then do the job?

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how to force browser to re-request page after history.back()

- by yellowred

Hi, I've got two scripts: 1.php and 1.php. Here they are: 1.php <?php header('Pragma: no-cache'); header('Cache-Control: max-age=1; no-cache'); header('Expires: Tue, 1 May 1985 01:10:00 GMT'); header('ETag: "'.md5(rand(1, 1000)).'"'); print date('H:i:s'); ?> <a href="2.php">pay</a> 2.php <a href="javascript:history.back()">back</a> Visitor lands on 1.php and then goes to 2.php. I want browser to re-request 1.php after vistor's click on "back" link. On current state it doesn't work. How it can be managed?

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Documentation for JavaScript Event Hanlders.

- by The Rook

I am looking for a list of all JavaScript event handlers (such as onLoad, onSubmit ect...) and the corresponding html tags that they can be applied to. This is is the best document I have found so far, but I believe it is is incomplete. The W3 specs are even worse, all it says is "This attribute may be used with most elements.". All browsers have their own quarks, if you know of a document for a specific browser like Firefox or IE that would also be helpful.

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browser scroll not going at bottom of toggle?

- by metal-gear-solid

I 'm using this code to make a toogle effect at bottom of the page. it's working but toogle div going under the fold but browser do not to scroll at bottom following the toogle area <script type="text/javascript"> jQuery.noConflict(); jQuery(document).ready(function() { // toggles the slickbox on clicking the noted link jQuery('a#sm_toggle').click(function() { jQuery('#sitemapContainer').slideToggle(400); return false; }); }); </script>

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CSS: Fixed background images taller than the browser viewport

- by jj_aa

I've got a large photo (940x1210) as the background image for a #page div which wraps around all the content on a site. Since the photo is a headshot, it looks pretty silly tiled, so I've set it not to repeat, and positioned it at 0,0. When the content enclosed by #page is taller than 1210px and the background image is set to scroll, the photo scrolls out of view, but if it's fixed, only the part of the image displayed initially in the browser viewport shows up- either the top half (fixed top left) or bottom half (fixed bottom left). Here's the question: how can I fix the background image to the bottom of #page (or the body) while scrolling through the full height of the image until I get to the bottom?

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How to get warning massage when clicking close(X) button of browser with tabs in Google Crome

- by Shantanu

How to get a warning massage if i accidently click the close button of the chrome browser which have multiple tabs opened at that time? I am a regular user of Crome and having this problem while using it. I normally open multiple tabs inside a single browser but sometimes i accidently click the close button of browser and as soon as the button is clicked crome does't give any warning issue about multiple active tabs and close the entire window. Is the end user like me is browsing on normal crome window then he can open the websites again by checking the web history but if he is browsing inside private browser then he can't do anything(this happens with me very regularly because i normally browse in private browser). On the other hand if you accidently click the close button in mozilla which have multiple tabs open it throws a warning massage to the user and asks for his wish.

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Uploadify & Integrated Windows Authentication

- by vdh_ant

Hi guys I'm running into an issue with Uploadify and I hope someone can help. I have put Uploadify into my app and all works fine in dev (using the VS web server). All worked fine and checked until I deployed the app into my test environment which uses Integrated Windows Authentication. When I actually go to upload the file, the browser brings up a login prompt. At this point, even if you type in the correct username and password, the request seems not to complete and even if you tell the browser to remember the password it still brings up the login prompt. When this started to occur, I decided to spin up Fiddler and see what was going on. But guess what, when ever Fiddler is running the issue doesn't occur. Unfortunately I can't make running Fiddler a reuqierment for running the app. Hence does anyone have any ideas. I know there are some issues with Uploadify/flash when using forms authentication but I didn't think they carried across to Integrated Windows Authentication. Cheers Anthony

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Problem with a button's OnClientClick event inside an UpdatePanel

- by royals

im using javascript like var TargetBaseControl = null; window.onload = function() { try { //get target base control. TargetBaseControl = document.getElementById('<%= this.GridView1.ClientID %>'); } catch(err) { TargetBaseControl = null; } } function TestCheckBox() { if(TargetBaseControl == null) return false; //get target child control. var TargetChildControl = "chkSelect"; //get all the control of the type INPUT in the base control. var Inputs = TargetBaseControl.getElementsByTagName("input"); for(var n = 0; n < Inputs.length; ++n) if(Inputs[n].type == 'checkbox' && Inputs[n].id.indexOf(TargetChildControl,0) >= 0 && Inputs[n].checked) return true; alert('Select at least one checkbox!'); return false; } and inside the update panel i have code like <asp:Button ID="ButtonSave" runat="server" OnClick="ButtonSave_Click" OnClientClick="javascript:return TestCheckBox();" Text="Save" /> when i run the page and click the button then no more further processing just button has been click nothing happan......

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Dynamic gridview columns event problem

- by ropstah

Hi, i have a GridView (selectable) in which I want to generate a dynamic GridView in a new row BELOW the selected row. I can add the row and gridview dynamically in the Gridview1 PreRender event. I need to use this event because: _OnDataBound is not called on every postback (same for _OnRowDataBound) _OnInit is not possible because the 'Inner table' for the Gridview is added after Init _OnLoad is not possible because the 'selected' row is not selected yet. I can add the columns to the dynamic GridView based on my ITemplate class. But now the button events won't fire.... Any suggestions? The dynamic adding of the gridview: Private Sub GridView1_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.PreRender Dim g As GridView = sender g.DataBind() If g.SelectedRow IsNot Nothing AndAlso g.Controls.Count > 0 Then Dim t As Table = g.Controls(0) Dim r As New GridViewRow(-1, -1, DataControlRowType.DataRow, DataControlRowState.Normal) Dim c As New TableCell Dim visibleColumnCount As Integer = 0 For Each d As DataControlField In g.Columns If d.Visible Then visibleColumnCount += 1 End If Next c.ColumnSpan = visibleColumnCount Dim ph As New PlaceHolder ph.Controls.Add(CreateStockGrid(g.SelectedDataKey.Value)) c.Controls.Add(ph) r.Cells.Add(c) t.Rows.AddAt(g.SelectedRow.RowIndex + 2, r) End If End Sub Private Function CreateStockGrid(ByVal PnmAutoKey As String) As GridView Dim col As Interfaces.esColumnMetadata Dim coll As New BLL.ViewStmCollection Dim entity As New BLL.ViewStm Dim query As BLL.ViewStmQuery = coll.Query Me._gridStock.AutoGenerateColumns = False Dim buttonf As New TemplateField() buttonf.ItemTemplate = New QuantityTemplateField(ListItemType.Item, "", "Button") buttonf.HeaderTemplate = New QuantityTemplateField(ListItemType.Header, "", "Button") buttonf.EditItemTemplate = New QuantityTemplateField(ListItemType.EditItem, "", "Button") Me._gridStock.Columns.Add(buttonf) For Each col In coll.es.Meta.Columns Dim headerf As New QuantityTemplateField(ListItemType.Header, col.PropertyName, col.Type.Name) Dim itemf As New QuantityTemplateField(ListItemType.Item, col.PropertyName, col.Type.Name) Dim editf As New QuantityTemplateField(ListItemType.EditItem, col.PropertyName, col.Type.Name) Dim f As New TemplateField() f.HeaderTemplate = headerf f.ItemTemplate = itemf f.EditItemTemplate = editf Me._gridStock.Columns.Add(f) Next query.Where(query.PnmAutoKey.Equal(PnmAutoKey)) coll.LoadAll() Me._gridStock.ID = "gvChild" Me._gridStock.DataSource = coll AddHandler Me._gridStock.RowCommand, AddressOf Me.gv_RowCommand Me._gridStock.DataBind() Return Me._gridStock End Function The ITemplate class: Public Class QuantityTemplateField : Implements ITemplate Private _itemType As ListItemType Private _fieldName As String Private _infoType As String Public Sub New(ByVal ItemType As ListItemType, ByVal FieldName As String, ByVal InfoType As String) Me._itemType = ItemType Me._fieldName = FieldName Me._infoType = InfoType End Sub Public Sub InstantiateIn(ByVal container As System.Web.UI.Control) Implements System.Web.UI.ITemplate.InstantiateIn Select Case Me._itemType Case ListItemType.Header Dim l As New Literal l.Text = "<b>" & Me._fieldName & "</b>" container.Controls.Add(l) Case ListItemType.Item Select Case Me._infoType Case "Button" Dim ib As New Button() Dim eb As New Button() ib.ID = "InsertButton" eb.ID = "EditButton" ib.Text = "Insert" eb.Text = "Edit" ib.CommandName = "Edit" eb.CommandName = "Edit" AddHandler ib.Click, AddressOf Me.InsertButton_OnClick AddHandler eb.Click, AddressOf Me.EditButton_OnClick container.Controls.Add(ib) container.Controls.Add(eb) Case Else Dim l As New Label l.ID = Me._fieldName l.Text = "" AddHandler l.DataBinding, AddressOf Me.OnDataBinding container.Controls.Add(l) End Select Case ListItemType.EditItem Select Case Me._infoType Case "Button" Dim b As New Button b.ID = "UpdateButton" b.Text = "Update" b.CommandName = "Update" b.OnClientClick = "return confirm('Sure?')" container.Controls.Add(b) Case Else Dim t As New TextBox t.ID = Me._fieldName AddHandler t.DataBinding, AddressOf Me.OnDataBinding container.Controls.Add(t) End Select End Select End Sub Private Sub InsertButton_OnClick(ByVal sender As Object, ByVal e As EventArgs) Console.WriteLine("insert click") End Sub Private Sub EditButton_OnClick(ByVal sender As Object, ByVal e As EventArgs) Console.WriteLine("edit click") End Sub Private Sub OnDataBinding(ByVal sender As Object, ByVal e As EventArgs) Dim boundValue As Object = Nothing Dim ctrl As Control = sender Dim dataItemContainer As IDataItemContainer = ctrl.NamingContainer boundValue = DataBinder.Eval(dataItemContainer.DataItem, Me._fieldName) Select Case Me._itemType Case ListItemType.Item Dim fieldLiteral As Label = sender fieldLiteral.Text = boundValue.ToString() Case ListItemType.EditItem Dim fieldTextbox As TextBox = sender fieldTextbox.Text = boundValue.ToString() End Select End Sub End Class

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Rails & combo box change event: Help make this obtrusive javascript unobtrusive

- by DJTripleThreat

Ok so a friend of mine gave some help with a prototype/obtrusive solution to this but its not quite there. Also, I want to make this unobtrusive instead of using the observe_field function that rails gives me. I don't want to use prototype either because I'm more familiar with JQuery. Here's my problem: I have an Event that can have multiple ServiceTypes and a ServiceType can belong to many Events. A many-to-many relationship between these two exists as an OfferedService. When creating an event, I have a drop down with a list of TimeAllotments that are something like 10 minutes, 12 minutes, 15 minutes, 20 minutes, 30 minutes etc. When the user selects one of these choices, I want a div tag to be filled with a list of ServiceTypes that are associated with this TimeAllotment. So for example, the user selects "10 minutes" and then the div repopulates with services that last 10 minutes. Here is what I have so far: ... some erb code etc and then <fieldset> <legend><%= f.label :time_allotment, "Size of the Appointment Slots:" %></legend> <div> <span class="field-group"> <div>  <%= select("event_service", "time_allotment", TimeAllotment.all.collect {|ta| [ta.title, ta.value]}, {:prompt => true}) %> </div> </span> </div> <div style="clear:both;"></div> Services: <div> <span class="field-group">  <div id="services"> <% for service_type in ServiceType.all %> <div> <%= check_box_tag "event_service[service_type_ids][]", service_type.id, false %> <%=h service_type.title %> </div> <% end %> </div> </span> </div> <div class="clear"></div> </fieldset> ok so right now ALL of the services are there to be chosen from. I want them to change based on what is selected in the combobox event_service_time_allotment. Can someone help me get pointed in the right direction? I have looked at Ryan's rails casts for using JQuery but its not helpful because he deals with ajax calls for the create action. This would be for the new or edit action. I have a new.js.erb but it doesn't get loaded when calling the new action. I'm super lost as far as getting JQuery to work with my application. I think that if someone can just show me how to make an alert pop up when I change the combo box, and how to return a dataset using ajax the right now, I think I can figure out the rest. Thanks, I know this is super complicated so any helpful answers will get an upvote.

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setAttribute, onClick and cross browser compatability...

- by Nicholas Kreidberg

I have read a number of posts about this but none with any solid answer. Here is my code: // button creation onew = document.createElement('input'); onew.setAttribute("type", "button"); onew.setAttribute("value", "hosts"); onew.onclick = function(){fnDisplay_Computers("'" + alines[i] + "'"); }; // ie onew.setAttribute("onclick", "fnDisplay_Computers('" + alines[i] + "')"); // mozilla odiv.appendChild(onew); Now, the setAttribute() method (with the mozilla comment) works fine in mozilla but only if it comes AFTER the line above it. So in other words it seems to just default to whichever gets set last. The .onclick method (with the ie comment) does not work in either case, am I using it incorrectly? Either way I can't find a way to make this work at all in IE, let alone in both. I did change the function call when using the .onclick method and it worked fine using just a simple call to an alert function which is why I believe my syntax is incorrect. Long story short, I can't get the onclick parameter to work consistently between IE/Mozilla. -- Nicholas

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Comet Jetty/Tomcat, having some browser issues with Firefox and Chrome

- by ages04

I am exploring the use of Comet for a project I am working on. I tried creating a test application first using Tomcat6 and CometProcessor API and then with Jetty7 Continuations. The application is kind of working on both but I am having some issues with the actual display of messages. I used the technique of creating an XMLHttpRequest Connection and keeping it open all the time so the server can continuously push data to all the clients connected whenever it is available. My client side code is something similar to this: function fn(){ var xhr = new XMLHttpRequest(); xhr.onreadystatechange = function(){ if (xhr.readyState==3){ document.getElementById('dv').innerHTML =(xhr.responseText); } if (xhr.readyState==4){ alert ('done'); } } xhr.open("GET", "First", true); xhr.send(null); } I found this thing of using readyState 3 somewhere online. I am facing 2 problems currently: In Firefox this code works perfectly. But if I open a new tab or even a new browser window, it does not make a new connection to the server and nothing shows up on the new tab or window, only the first tab/window gets the display. I used wireshark to check this and its shows only 1 connection even after the 2nd tab is opened. I am unable to understand why this would happen. I have read about the 2 connection limit, but here there is only one connection. Secondly in Chrome, the above code does not work, and the callback is not invoked for readystate of 3, only when the connection is closed by the server i get the output. I would also like to ask which is the best way/framework for doing Comet with Java. I am currently using jQuery on the client side. Any suggestions would be greatly appreciated!! Thanks

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LinkButtons Created Dynamically in a Repeater Don't Fire ItemCommand Event

- by 5arx

Hi. I've got a repeater that's used to display the output of a dynamic report that takes criteria from webcontrols on the page. Within the repeater's ItemDataBound method I'm adding controls (Linkbuttons for sorting by column values) dynamically to the header of the repeater based on values selected in a checkbox list and at this point setting the CommandArgument and CommandName properties of the linkbuttons. The issue is that when the linkbuttons are clicked they don't fire the ItemCommand event although they are clearly being correctly created and added to the header (there is some additional code to set the cssClass, text etc. and this works as expected.) The first column header in the repeater is set in the markup and the itemcommand event fires correctly on this one only. When the other column headers are clicked the repeater rebinds as programmed, but the columns are not dynamically re-generated. I would really appreciate somebody explaining what I'm doing wrong - afaik I'm following the approved way of doing this :-( Simplified code follows: Nightmare.ascx <asp:repeater runat="server" id="rptReport" OnItemDataBound="rptResults_ItemDataBound" OnItemCommand="rptResults_ItemCommand" EnableViewState="true"> <headertemplate> <table> <tr runat="Server" id="TRDynamicHeader"> <th>  <asp:Linkbutton runat="server" CommandName="sort" commandArgument='<%# Eval("Name")%?' /> </th>  </tr> </headertemplate> <itemTemplate> <td><%# Eval("Name")</td> ... </itemTemplate> </asp:repeater> Nightmare.ascx.cs protected void PageLoad(object sender, eventArgs e){ if (! isPostback){ setupGui();//just binds dropdowns etc. to datasources } } protected void btnRunReport_Click(...){ List<ReportLines> lstRep = GetReportLines(); rptReport.DataSource = lstRep; repReport.DataBind(); } protected void rptReport_ItemDataBound (...){ if (e.Item.ItemType == ListItemType.Header) { foreach (ListItem li in chbxListBusFuncs.Items) { if (li.Selected) { th = new HtmlTableCell(); lb = new LinkButton(); lb.CssClass = "SortColHeader"; lb.CommandArgument = li.Text.Replace(" ", ""); lb.CommandName = "sort"; lb.Text = li.Text; th.Controls.Add(lb); ((HtmlTableRow)e.Item.FindControl("TRDynamicHeader")).Cells.Add(th); } } } if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) { //Row level customisations, totals calculations etc. } } <!-- this only gets called when the 'hardcoded' linkbutton in the markup is clicked. protected void rptReport_ItemCommand(object sender, Eventargs e){ lblDebug.Text = string.Format("Well? What's Happening? -> {0}:{1}", e.CommandName, e.CommandArgument.ToString()); } (The only thing that can call the runreport routine is a single button on the page, not shown in the code snippet above.)

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jQuery image preload/cache halting browser

- by Nathan Loding

In short, I have a very large photo gallery and I'm trying to cache as many of the thumbnail images as I can when the first page loads. There could be 1000+ thumbnails. First question -- is it stupid to try to preload/cache that many? Second question -- when the preload() function fires, the entire browser stops responding for a minute to two. At which time the callback fires, so the preload is complete. Is there a way to accomplish "smart preloading" that doesn't impede on the user experience/speed when attempting to load this many objects? The $.preLoadImages function is take from here: http://binarykitten.me.uk/dev/jq-plugins/107-jquery-image-preloader-plus-callbacks.html Here's how I'm implementing it: $(document).ready(function() { setTimeout("preload()", 5000); }); function preload() { var images = ['image1.jpg', ... 'image1000.jpg']; $.preLoadImages(images, function() { alert('done'); }); } 1000 images is a lot. Am I asking too much?

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Detect IE version in Javascript

- by Chad Decker

I want to bounce users of our web site to an error page if they're using a version of Internet Explorer prior to v9. It's just not worth our time and money to support IE pre-v9. Users of all other non-IE browsers are fine and shouldn't be bounced. Here's the proposed code: if(navigator.appName.indexOf("Internet Explorer")!=-1){ //yeah, he's using IE var badBrowser=( navigator.appVersion.indexOf("MSIE 9")==-1 && //v9 is ok navigator.appVersion.indexOf("MSIE 1")==-1 //v10, 11, 12, etc. is fine too ); if(badBrowser){ // navigate to error page } } Will this code do the trick? To head off a few comments that will probably be coming my way: [1] Yes, I know that users can forge their useragent string. I'm not concerned. [2] Yes, I know that programming pros prefer sniffing out feature-support instead of browser-type but I don't feel this approach makes sense in this case. I already know that all (relevant) non-IE browsers support the features that I need and that all pre-v9 IE browsers don't. Checking feature by feature throughout the site would be a waste. [3] Yes, I know that someone trying to access the site using IE v1 (or = 20) wouldn't get 'badBrowser' set to true and the warning page wouldn't be displayed properly. That's a risk we're willing to take. [4] Yes, I know that Microsoft has "conditional comments" that can be used for precise browser version detection. IE no longer supports conditional comments as of IE 10, rendering this approach absolutely useless. Any other obvious issues to be aware of? Thanks.

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Search found 42545 results on 1702 pages for 'confirm alert on browser close event'.

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- by Brandon

- by Bruno

- by Steve

- by tadatoshi

- by Alex

- by fireBand

- by Holman716

- by alec0001

- by Timo

- by Inductiveload

- by Nick

- by yellowred

- by The Rook

- by metal-gear-solid

- by jj_aa

- by Shantanu

- by vdh_ant

- by royals

- by ropstah

- by DJTripleThreat

- by Nicholas Kreidberg

- by ages04

- by 5arx

- by Nathan Loding

- by Chad Decker

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