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  • ASP.NET Session and target blank

    - by Lennart
    Hi I have seen a few posts regarding Session and using target blank to open a new page. But I still don´t get it. Im working with an application which opens from a link on an Intranet site. I guess it uses target blank to get it in a new window. (I don´t have the source). If both windows are closed (My application and the Intranet site) it seems like the Session is destroyed. I need that to happen when my application is closed. (ie, still leaving the Intranet site open). If I use the site in my testenvironment without opening it from a page with target blank, it seems like I get the expected behaviour. Web.config has: pages enableSessionState="true" Thanks

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  • a simple secenerio to implement java script asp.net C#, question rephrased

    - by user287745
    i had asked this question before but got no answer correct. so, this is a simple thing textbox.text='user typing'; button:-store the value to a variable and a database. very simple nothing to it but there should be no post back, that is the page must not load again, try ajax? tried it not working i must a lot of time trying to implement this using java script ajax and read many many post, but for some reason i cannot implement the functionality correctly. please help. thank you

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  • ASP.net MVC DropLownList db.SaveChanges not saving selection

    - by WMIF
    I have looked through a ton of tutorials and suggestions on how to work with DropDownList in MVC. I was able to get most of it working, but the selected item is not saving into the database. I am using MVC 3 and Razor for the view. My DropDownList is getting created with the correct values and good looking HTML. When I set a breakpoint, I can see the correct selected item ID in the model getting sent to controller. When the view goes back to the index, the DropDownList value is not set. The other values save just fine. Here are the related views. The DropDownList is displaying a list of ColorModel names as text with the ID as the value. public class ItemModel { [Key] public int ItemID { get; set; } public string Name { get; set; } public string Description { get; set; } public virtual ColorModel Color { get; set; } } public class ItemEditViewModel { public int ItemID { get; set; } public string Name { get; set; } public string Description { get; set; } public int ColorID { get; set; } public IEnumerable<SelectListItem> Colors { get; set; } } public class ColorModel { [Key] public int ColorID { get; set; } public string Name { get; set; } public virtual IList<ItemModel> Items { get; set; } } Here are the controller actions. public ActionResult Edit(int id) { ItemModel itemmodel = db.Items.Find(id); ItemEditViewModel itemEditModel; itemEditModel = new ItemEditViewModel(); itemEditModel.ItemID = itemmodel.ItemID; if (itemmodel.Color != null) { itemEditModel.ColorID = itemmodel.Color.ColorID; } itemEditModel.Description = itemmodel.Description; itemEditModel.Name = itemmodel.Name; itemEditModel.Colors = db.Colors .ToList() .Select(x => new SelectListItem { Text = x.Name, Value = x.ColorID.ToString() }); return View(itemEditModel); } [HttpPost] public ActionResult Edit(ItemEditViewModel itemEditModel) { if (ModelState.IsValid) { ItemModel itemmodel; itemmodel = new ItemModel(); itemmodel.ItemID = itemEditModel.ItemID; itemmodel.Color = db.Colors.Find(itemEditModel.ColorID); itemmodel.Description = itemEditModel.Description; itemmodel.Name = itemEditModel.Name; db.Entry(itemmodel).State = EntityState.Modified; db.SaveChanges(); return RedirectToAction("Index"); } return View(itemEditModel); } The view has this for the DropDownList, and the others are just EditorFor(). @Html.DropDownListFor(model => model.ColorID, Model.Colors, "Select a Color") When I set the breakpoint on the db.Color.Find(...) line, I show this in the Locals window for itemmodel.Color: {System.Data.Entity.DynamicProxies.ColorModel_0EB80C07207CA5D88E1A745B3B1293D3142FE2E644A1A5202B90E5D2DAF7C2BB} When I expand that line, I can see the ColorID that I chose from the dropdown box, but it does not save into the database.

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  • asp code for upload data

    - by vicky
    hello everyone i have this code for uploading an excel file and save the data into database.I m not able to write the code for database entry. someone please help <% if (Request("FileName") <> "") Then Dim objUpload, lngLoop Response.Write(server.MapPath(".")) If Request.TotalBytes > 0 Then Set objUpload = New vbsUpload For lngLoop = 0 to objUpload.Files.Count - 1 'If accessing this page annonymously, 'the internet guest account must have 'write permission to the path below. objUpload.Files.Item(lngLoop).Save "D:\PrismUpdated\prism_latest\Prism\uploadxl\" Response.Write "File Uploaded" Next Dim FSYSObj, folderObj, process_folder process_folder = server.MapPath(".") & "\uploadxl" set FSYSObj = server.CreateObject("Scripting.FileSystemObject") set folderObj = FSYSObj.GetFolder(process_folder) set filCollection = folderObj.Files Dim SQLStr SQLStr = "INSERT ALL INTO TABLENAME " for each file in filCollection file_name = file.name path = folderObj & "\" & file_name Set objExcel_chk = CreateObject("Excel.Application") Set ws1 = objExcel_chk.Workbooks.Open(path).Sheets(1) row_cnt = 1 'for row_cnt = 6 to 7 ' if ws1.Cells(row_cnt,col_cnt).Value <> "" then ' col = col_cnt ' end if 'next While (ws1.Cells(row_cnt, 1).Value <> "") for col_cnt = 1 to 10 SQLStr = SQLStr & "VALUES('" & ws1.Cells(row_cnt, 1).Value & "')" next row_cnt = row_cnt + 1 WEnd 'objExcel_chk.Quit objExcel_chk.Workbooks.Close() set ws1 = nothing objExcel_chk.Quit Response.Write(SQLStr) 'set filobj = FSYSObj.GetFile (sub_fol_path & "\" & file_name) 'filobj.Delete next End if End If plz tell me how to save the following excel data to the oracle databse.any help would be appreciated

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  • asp.net jquery datepicker bug

    - by frabiacca
    hi there, i'm using successfully a jquery datepicker with masked input plugin too in a aspx webform. I've noticed a bug: when i insert a date by choosing it on the calendar and then i try to modify it manually, the date suddenly disappears. Have u ever seen this behaviour?

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  • Asp.net mvc getting partial view inside another view folder

    - by Shawn Mclean
    I have inside a controller PostLogicController.cs public ActionResult GetCreateNormalPost() { return PartialView("CreateNormalPost", null); } CreateNormalPost is inside the folder Post (which belongs to another post controller). How do I go about returning the CreateNormalPost.ascx? My folders are structured as follows: Controllers PostController.cs PostLogicController.cs Views Post Index.aspx CreateNormalPost.ascx There is no folder for PostLogicController.

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  • Set Masterpage from Global.asax in ASP.NET

    - by StefanE
    Hi, I want to set the Masterpage property in Global.asax. This is what I have done but I get a NullReferenceException on the first line. Any ideas how to do this? protected void Application_PreSendRequestContent(Object sender, EventArgs e) { System.Web.UI.Page page = System.Web.HttpContext.Current.Handler as System.Web.UI.Page; if (Session["lang"] == "eng") { page.MasterPageFile = "SideMasterPageEng.master"; } }

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  • ASP.NET (C#) jQuery JSON data problem

    - by oraclee
    My JSON Data {"menu": { "id": "file", "value": "File", "popup": { "menuitem": [ {"value": "New", "onclick": "CreateNewDoc()"}, {"value": "Open", "onclick": "OpenDoc()"}, {"value": "Close", "onclick": "CloseDoc()"} ] } }} jQuery code: $(document).ready(function() { $("#Button1").click(function() { var asd = "test"; $.get("CallBack.Aspx", { asd: asd }, function(data) { $.each(data, function() { }) }) }) }) I need menuitem in values how to make ? "menuitem": [ { "value": "New", "onclick": "CreateNewDoc()" } ]

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  • Display virtual keyword asp.net for password

    - by Nicole
    Hi! I have a login page with an input of type "password" I would like to have a virtual keyboard to enter the password. I've searched and I found the jquery script for virtual keyboard. The code said to add this to my page $('input[type=password]').keyboard({ layout: "qwerty", customLayout: [["q w e r t y {bksp}", "Q W E R T Y {bksp}"], ["s a m p l e {shift}", "S A M P L E {shift}"], ["{accept} {space} {cancel}", "{accept} {space} {cancel}"]] }); but I cant make it work!!!! nothing happens when y set focus on my password control. Any suggestions?? thank you!! Nicole.

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  • asp.net mvc crazy error

    - by bongoo
    Hi there im having a weird error which is related to an earlier post , I am checking if a file exists before downloading. This works for pdf's but not for any other type of document here is my controller action and the typical path for a pdf and a powerpoint file , the powerpoint does not work ~/Documents//FID//TestDoc//27a835a5-bf70-4599-8606-6af64b33945d/FIDClasses.pdf ~/Documents//FID//pptest//ce36e7a0-14de-41f3-8eb7-0d543c7146fe/PPttest.ppt [UnitOfWork] public ActionResult Download(int id) { Document doc = _documentRepository.GetById(id); if (doc != null) { if (System.IO.File.Exists(Server.MapPath(doc.filepath))) { _downloadService.AddDownloadsForDocument(doc.document_id, _UserService.CurrentUser().user_id); return File(doc.filepath, doc.mimetype, doc.title); } } return RedirectToAction("Index"); }

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  • jQuery/Asp.Net mvc username lookup

    - by MD_Oppenheimer
    OK, for the life of me I can't uderstand why the follwing code is always returning false?? I have debugged with firefox to see what going on, but the function seems to always return false even when the condition username taken is 0(false), here is the jquery code: function CheckAvailability() { showLoader(); $.post("/Account/CheckUsernameAvailability", { userName: $(profile_username).val() }, function(data) { var myObject = eval('(' + data + ')'); var newid = myObject; if (newid == 0) { profile_username_error.removeClass("field_not_valid"); profile_username_error.addClass("field_valid"); $("#validUserName_msg").html("<font color='green'>Available</font>") return true; } else { profile_username_error.addClass("field_not_valid"); profile_username_error.removeClass("field_valid"); $("#validUserName_msg").html("<font color='red'>Taken</font>") return false; } }); } I'm using the /Account/CheckUsernameAvailability to check if a given name is take or not, it not taken(0) should return true, false otherwise.

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  • jQuery Templates vs Partial Views in ASP.NET MVC

    - by Jaco Pretorius
    I'm taking a look at jQuery templates. It looks really interesting - easy syntax, easy to use, very clean. However, I can't really see why it's better to use jQuery templates instead of simply fetching partial views via AJAX. It simply seems like the partial views would be much easier to maintain and helps to avoid duplication of code. I want to use jQuery templates. But when would it be better than partial views?

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  • Caching asp.net viewdata

    - by Tomh
    Hey guys, I'm currently thinking about caching most of my viewdata excpt user specific data after a user logs on. I thought the simplest way was caching the ViewData object itself and adding the user specific data after it was loaded. Are there any downsides of this approach? Are there better ways? string cacheKey = "Nieuws/show/" + id; if (HttpRuntime.Cache[cacheKey] != null) { ViewData = HttpRuntime.Cache[cacheKey] as ViewDataDictionary; } else { // add stuff to view data HttpRuntime.Cache.Insert(cacheKey, ViewData, null, DateTime.Now.AddSeconds(180), Cache.NoSlidingExpiration, CacheItemPriority.NotRemovable, null); }

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  • Asp.net regularexpressionvalidator fires even when CausesValidation="false"

    - by Rohit
    I have a regularexpression validator which validates a valid email. I have two buttons on my form. Submit and undo. On undo, we are reverting the page state to default submit has it validationgroup set while undo doesnot have any validationgroup and CausesValidation="false". Now when i navigate to page and enter invalid emailaddress,i directly click undo. the validator fires and stops my page from posting.however if i press tab and navigate to other control and then click undo,the validator shows error message but posts back and furthur proessing is done. This is very strange and i want the page to postback without any error message when i click undo.how to achieve it.

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  • Caching issue with javascript and asp.net

    - by Ed Woodcock
    Hi guys: I asked a question a while back on here regarding caching data for a calendar/scheduling web app, and got some good responses. However, I have now decided to change my approach and stat caching the data in javascript. I am directly caching the HTML for each day's column in the calendar grid inside the $('body').data() object, which gives very fast page load times (almost unnoticable). However, problems start to arise when the user requests data that is not yet in the cache. This data is created by the server using an ajax call, so it's asynchronous, and takes about 0.2s per week's data. My current approach is simply to block for 0.5s when the user requests information from the server, and cache 4 weeks either side in the inital page load (and 1 extra week per page change request), however I doubt this is the optimal method. Does anyone have a suggestion as to how to improve the situation? To summarise: Each week takes 0.2s to retrieve from the server, asynchronously. Performance must be as close to real-time as possible. (however the data is not needed to be fully real-time: most appointments are added by the user and so we can re-cache after this) Currently 4 weeks are cached on either side of the inial week loaded: this is not enough. to cache 1 year takes ~ 21s, this is too slow for an initial load.

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  • How to unpack htmlAttributes in a span tag in ASP.NET MVC

    - by sleepy
    I have htmlAttributes generated - originally for the purpose of creating a link with the attribute using Html.ActionLink. Now, based on some condition, I would like to create a <span> tag instead and put the attributes in there. Is there anyway it can be done easily ? Eg: something like: <span <%= htmlAttributes.Unpack() %> > Some txt </span> OR <%= Html.SpanTag("Some txt", htmlAttributes) %> OR anything similar without wresling too much with the already generated htmlAttribues? Thanks

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  • ASP.NET AJAX WebForms custom error handling question

    - by Vilx-
    I've made a web application that has the following architecture: Every form is a UserControl, there is just one actual page (Default.aspx), and a parameter in the URL specifies which UserControl to load. The UserControl is loaded in an UpdatePanel so that it can enjoy full AJAX-iness. There is also an elaborate message displaying mechanism that I use. Eventually messages end up in one designated area on top of the Default.ASPX with some nice formatting 'n stuff. Now, I would also like to capture any unhandled exceptions that originate in the UserControl and display it in this area with all the bells-and-whistles that I've made for messages. How can I do this? The Page.Error and ScriptManager.AsyncPostBackError somehow don't work for me...

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  • ASP.NET masterpage public variables error

    - by eugeneK
    I have public variable 'MessagePlaceholder' on MasterPage and a Class that accesses this property like that setting it's value to string from getMessage(); ((HttpContext.Current.Handler as System.Web.UI.Page).Master as MasterPage).MessagePlaceholder = getMessage(); which gives me an error like this one Error 3 'System.Web.UI.MasterPage' does not contain a definition for 'MessagePlaceholder' and no extension method 'MessagePlaceholder' accepting a first argument of type 'System.Web.UI.MasterPage' could be found (are you missing a using directive or an assembly reference?) What should i do ?

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  • ASP.NET validation controls

    - by mehmet6parmak
    Hi All, I want to use Validation Controls but I dont want them to show their Error Messages when invalid data exist. Instead I'm going to iterate through the validation controls and show error messages inside my little ErrorMessage Control for (int i = 0; i < Page.Validators.Count; i++) { if (!Page.Validators[i].IsValid) { divAlert.InnerText = Page.Validators[i].ErrorMessage; return false; } } I'm doing this because i have little space to show the error message. You can ask why are you using validation control if you dont want to show them My asnwer is "I use them for validation logic they handle" I looked the properties of the validation controls and cant find something that wil help me doing this. Any Idea? Thanks

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  • response.write only working IE for ASP.NET

    - by slowlycooked
    I'm using uploadify (http://www.uploadify.com/) to upload video to my site then convert them into *.flv using ffmpeg and play preview. But it dosen't fully working with firefox, chrome or safari. uploadify provides a onComplete interface, so when the script (.ashx, .php) used on your site for saving uploaded files. you can use response.write("blabla") or (echo "blabla") to invoke the javascript function that registed as OnComplete. i have test with few video files like avi, mpg, mp4, they are less then 50mb,and they all worked with all 4 browsers. However, when i was trying to upload a 75mb mp4 file, it worked in IE, but didn't working in other three. I can see the .flv file has been create in the upload folder, i can see debug messsage output after response.write("blabla"), but the javascript function was not invoked. i.e. the preview didn't play. anyone knows why? is there a timeout or something on response.write so after a period of time it wont work? e.g. 75mb file took longer time to convert than other smaller size file i tried. thansk

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