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  • how to pass an integeter array from a asp.net mvc controller action back to javascript using jquery

    - by oo
    Here is my jQuery code: $.get('/Home/GetList', function(data) { debugger; $('#myMultiSelect').val(data); }); Here is my controller code: public ActionResult GetList(int id) { int[] bodyParts = _repository.GetList(id); //how do i return this as an array back to javascript ?? } if I have the GetList function return an array of integers, how do I return this to the jQuery function?

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  • ASP.NET MVC2 - Trim white space from form submits before server-side validation?

    - by David Lively
    If I add a validation attribute: public class ProductDownloadListModel { //xxxxx-xxxxx-xxxxx [Required] [StringLength(17)] public string PSN { get; set; } public DateTime PsnExpirationDate { get; set; } public DataTable Downloads { get; set; } } and the user enters a 17-character string but includes white space on the end, I get a validation error because the string is greater than that specified by the [StringLength(17)] attribute. How can I prevent this? I'd prefer not to have to have javaScript trim the string before submits.

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  • ASP.NET MVC: How to create a basic Pseudo Viewstate? Or better solution?

    - by Mark Redman
    I am newish to MVC and understand all the great things about it, including the reasons why voewstate isnt available, however there are some circumstances where I think having some kind of view state will be quite handy, In my case I am thinking about list pages with various search filters that can be applied to the list. Would it be worthwhile implementing some kind of pseudo viewstate to hold this info in some cases? or is there a better solution? Any examples out there? Your comments appreciated.

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  • Hide / Show menu code not working after postback

    - by WraithNath
    I have a button on my web page that toggles the menu, After a postback the menu comes back despite me updating a hidden field value to store its state. Am I doing something wrong here? If there is a better way of doing it, let me know! Markup: <asp:Button ID="btnMenu" runat="server" Text="Hide Menu" UseSubmitBehavior="False" OnClientClick="return toggleMenu(this);" /> <asp:Panel runat="server" ID="pnlMenuToggle"> //Main Menu </asp:Panel> <asp:Panel runat="server" ID="pnlSubMenuToggle"> //Sub Menu </asp:Panel> <asp:HiddenField ID="hfMenuState" runat="server" Value="true" /> <script> //Toggles menu visibility function toggleMenu(menuButton) { var menuVisible = $('#<%=hfMenuState.ClientID%>').val() == 'true' ? true : false; $('#<%=pnlMenuToggle.ClientID%>').slideToggleWidth(); $('#<%=pnlSubMenuToggle.ClientID%>').slideToggle('slow'); //Update whether the menu is visible menuVisible = !menuVisible; //Update menu button text $(menuButton).val(menuVisible ? 'Hide Menu' : 'Show Menu'); $('#<%=hfMenuState.ClientID%>').val(menuVisible) return false; } </script> Code Behind: (Page Load) bool menu = Convert.ToBoolean( hfMenuState.Value ); pnlMenuToggle.Visible = menu; pnlSubMenuToggle.Visible = menu; The javascripts updates the hidden field value but it looks like this is never posted back to the server. What can I do to make sure the menu stays hidden after postbacks. I have also tried putting the hidden field in an Update Panel with Update Mode set to Always

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  • How to dynamic adding rows into asp.net table ?

    - by user359706
    How can I add rows in a table from server-side? if (!Page.IsPostBack) { Session["table"] = TableId; }else TableId = (Table)Session["table"]; } protected void btnAddinRow_Click(object sender, EventArgs e) { num_row = (TableId.Rows).Count; TableRow r = new TableRow(); TableCell c1 = new TableCell(); TableCell c2 = new TableCell(); TextBox t = new TextBox(); t.ID = "textID" + num_row; t.EnableViewState = true; r.ID = "newRow" + num_row; c1.ID = "newC1" + num_row; c2.ID = "newC2" + num_row; c1.Text = "New Cell - " + num_row; c2.Controls.Add(t); r.Cells.Add(c1); r.Cells.Add(c2); TableId.Rows.Add(r); Session["table"] = TableId; } in debug I found out the number in the "TableID", but the rows are not drawn. Have you got an idea about this issue? Thanks

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  • how to pass an array from a asp.net mvc controller action back to javascript using jquery / ajax

    - by oo
    Here is my jQuery code: $.get('/Home/GetList', function(data) { debugger; $('#myMultiSelect').val(values); }); Here is my controller code: public ActionResult GetList(int id) { int[] bodyParts = _repository.GetList(id); //how do i return this as an array back to javascript ?? } if I have the GetList function return an array of integers, how do I return this to the jQuery function?

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  • How to display popup from code-behind in ASP.net ?

    - by user359706
    hello I wonder how it would be possible to launch a series of popups, containing a form, from code-behind. I possess a list of objects 'Products' and I wish I could change one property (quantity) of each "product". Here's how I build my list (normally I use a database). Private List<Product> listProduct; listProduits = new List<Product>(); Product objProduit_1 = new Produit; objProduct_1.ref = "001"; objProduct_1.article = "G900"; objProduct_1.quantity = 30; listProducts.Add(objProduct_1); ProductobjProduit_2 = new Product; objProduct_2.ref = "002"; objProduct_2.article = "G900"; objProduct_2.quantity = 35; listProduits.Add(objProduct_2); And I would like displayed popup one after one. Thank you in advance for your help

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  • How do I obtain an HtmlHelper<TModel> instance for a model in ASP.NET MVC?

    - by DanM
    Let's say I have an Index view. The model I pass in is actually a collection of models, so the Html property is of type HtmlHelper<List<MyModel>>. If I want to call extension methods (e.g., Display() or DisplayFor() on the individual items in the list, however, I think I need to obtain an HtmlHelper<MyModel>. But how? I tried using the HtmlHelper<TModel> constructor, which looks like this: HtmlHelper<TModel>(ViewContext, IViewDataContainer) But I'm not having any luck with that. I don't know how to obtain the IViewDataContainer for the item, and the documentation on these things is very sparse. A lot of magic apparently happens when I do... return View(List<MyModel>); ...in my controller. How do I recreate that magic on individual items in a list/collection?

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  • Difference between `<%#` and `<%=` and an asp.net ascx file?

    - by jax
    I understand that <%= is for returning a String I seem to usually use <%# in my .ascx files. For example the following works OnClientClick=<%# String.Format("return confirm('Are you sure you wish to delete barcode ({0})?');", Eval("BARCODE") ) %> The following does not work OnClientClick=<%# String.Format("return confirm('Are you sure you wish to delete barcode ({0})?');", Eval("BARCODE") ) %>

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  • Post data with jQuery to ASP.net, am I doing this secure enough?

    - by Wim Haanstra
    For a website I am building, I am using jQuery to post data to Generic Handlers I created for this purpose. Because you need to be logged in, to do most post actions (like 'rate a picture'), I am currently using the following technique: User visits page Page determines if user is logged in On Page_Load the page fills a hidden field with an encrypted string, which contains several needed variables, like User ID, Picture ID (of the picture they are currently viewing), the DateTime when the page was rendered. When the user clicks a "I like this picture"-button, I do a $.ajax post to my Generic Handler, with the encrypted string and the value whether or not they liked the picture. The Generic Handler decrypts the supplied encrypted string and takes a look at the DateTime to determine if it was not too long ago When everything works out, the vote is submitted to the database. In my understanding this is a pretty secure way to handle a situation like this. But maybe I am missing a very important point here. Any advice would be very welcome.

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  • How to fetch the value of selected checkbox inside a checkboxList?

    - by Starx
    I want to know the selected value of the markup below. So that I can disabled a textbox, if one of the checkbox is selected. <asp:CheckBoxList ID="ChkTest" runat="server" RepeatDirection="Horizontal" CssClass="toggleYesNo"> <asp:ListItem Value="1">Yes</asp:ListItem> <asp:ListItem Value="0">No</asp:ListItem> </asp:CheckBoxList> I tried using this function it doesnot seem to work $(document).ready(function() { $("#<%=ChkTest.ClientID %>").click(function() { value = $(this).val(); if(value=='1') { $('#atextbox').attr('disabled',''); } else { $('#atextbox').attr('disabled','disabled'); } }); }); I also track the output HTML but the id the CheckBoxList the assigned to a table instead. UPDATED <table id="ChkTest" class="toggleYesNo" border="0"> <tr> <td><input id="ChkTest_0" type="checkbox" name="ChkTest$0" /><label for="ChkTest_0">Yes</label></td><td><input id="ChkTest_1" type="checkbox" name="ChkTest$1" /><label for="ChkTest_1">No</label></td> </tr> </table>

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  • asp.net datasource in memory which component suites this better?

    - by Mike
    I need to create a page that has a listbox with databound items. Upon clicking an entry in the listbox, the page will postback and insert an entry into a listview. The listview should have the item's name, and a textbox allowing the user to edit the value for each. I don't want the listview to be in "edit" mode. I just want the user to be able to update the value. Is this possible?

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  • How do I pass a javascript parameter to an asp.net MVCmodel from within a View?

    - by Josh
    Hi everyone! I am having an issue trying to access a list property on a model from within a javascript. My basic situation is this: I have an ArticleController and an ArticleViewModel. An Article has a number of properties, one of which is Text, which is just a string that contains the contents of the article. The ArticleViewModel contains a Pages property, which is just a List of Strings. When the ArticleViewModel constructor is called, I populate the Pages list by dividing up the article text based on some delimeters. I have a View which inherits the ArticleViewModel type. What I want to do is only display one page at a time, and then when the user clicks a page number (from a list at the bottom of the article), I want to use javascript to load that page into the #dynamicContent div. The problem: I can't seem to pass a parameter to the Model.Pages property from within javascript... Is this possible? I get an error stating, "Expression Expected" when I try what I have below. I don't want to have to worry about AJAX calls or anything like that since I already have the entire article... I just need a way to access each individual page from within the javascript function. Alternatively, if there is a better solution for "paginating" an article so that I can load each articlePage without having to refresh the entire html page, I would certainly be open to that as well. Any help would be much appreciated!! Thanks for your time! ArticleView Code: Script at the top of the view: function loadPage(pageNumber) { try { alert(pageNumber); $('#dynamicContent').html('<%=Model.Pages(' + pageNumber + ') %>'); } catch (e) { alert('in here'); alert(e.description); } } HTML for view: [...] <div id="articleBody"> <div id="dynamicContent"> <%=Model.Pages(0)%> </div> </div> [...] Page Links at bottom of page: [...] <div> <ul style="display:block"> <li style="display:inline"> <a href="#articleTitle" onclick="loadPage(0)"> 1 </a> </li> <li style="display:inline"> <a href="#articleTitle" onclick="loadPage(1)"> 2 </a> </li> </ul> </div>

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  • Can an ASP.NET page be a WebService also?

    - by halivingston
    I know it's a little odd, specifically because a Page inherits from the System.Web.Page (or something) and a WebService inherits from System.Web.Service (or something). But just thought I'd ask if there is any way to do this? Does anyone have suggestions to do this?

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