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  • ASP.NET control event handler not firing on postback?

    - by Polaris878
    I have a control which has an ImageButton which is tied to an OnClick event... Upon clicking this control, a postback is performed and the event handler is not called. AutoEventWireup is set to true, and I've double checked spelling etc.... We haven't touched this control in over a year and it has been working fine until a couple of weeks ago. We have made changes to controls which load this control... so I'm wondering, what kind of changes could we have made to stop this event handler from being called? There is quite a bit of Javascript going on, so this could be the culprit too... Edit: Some clarification... we are dynamically loading the parent control of the ImageButton in the OnLoad event of the page... if that makes sense.

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  • NULL ForeignKeyTo property in Subsonic 3/ASP.NET MVC?

    - by chad
    Issue: the primary key of the base table is named differently than the the key in the fk table. Subsonic 3 does not know how to handle that, which is fine, its beta. So I was going to change the Html.ControlFor logic to just grab the table and use the pkname from that: var fk = db.FindTable(col.ForeignKeyTo.FriendlyName); However the .ForeignKeyTo is null. Where in the templates does that ITable get populated?

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  • Can I resolve ASP.NET "~" app paths to the website root without a Control being present?

    - by jdk
    I want to Resolve "~/whatever" from inside non-Page contexts such as Global.asax (HttpApplication), HttpModule, HttpHandler, etc. but can only find the Resolution methods specific to Controls (and Page). I think the app should have enough knowledge to be able to map this outside the Page context. No? Or at least it makes sense to me it should be resolvable in other circumstances, wherever the app root is known. Update: The reason being I'm sticking ~ paths in the web.configuration files. Update 2: I'm trying to resolve them to the website root such as Control.Resolve(..) URL does, not to a file system path.

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  • How do you get an asp.net control's auto generated name attribute?

    - by Petras
    I have a DropDownList and need to know its name in the code behind: <select name="ctl00$cphMainContent$ddlTopic" onchange="javascript:setTimeout('__doPostBack(\'ctl00$cphMainContent$ddlTopic\',\'\')', 0)" id="ctl00_cphMainContent_ddlTopic"> <option value="All">All</option> </select> I need to get the value "ctl00$cphMainContent$ddlTopic" Is that possible?

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  • Why jquery ajax calls fails after session timeout in asp.net mvc?

    - by Pandiya Chendur
    when there is a value in my session variable my ajax calls work properly... But when a session is timedout it doesn't seem to work returning empty json result.... public JsonResult GetClients(int currentPage, int pageSize) { if (Session["userId"]!=null) { var clients = clirep.FindAllClients(Convert.ToInt32(Session["userId"])).AsQueryable(); var count = clients.Count(); var results = new PagedList<ClientBO>(clients, currentPage - 1, pageSize); var genericResult = new { Count = count, Results = results ,isRedirect=false}; return Json(genericResult); } else { var genericResult = new {redirectUrl = Url.Action("Create", "Registration"), isRedirect = true }; return Json(genericResult); } } However else part does'nt seem to work.... success: function(data) { alert(data.Results); if (data.isRedirect) { window.location.href = data.redirectUrl; } } EDIT: My global.asax has this, public static void RegisterRoutes(RouteCollection routes) { routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); routes.MapRoute( "Clients", "Clients/{action}/{id}", new { controller = "Clients", action = "Index", id = "" } ); routes.MapRoute( "Registrations", "{controller}/{action}/{id}", new { controller = "Registration", action = "Create", id = "" } ); }

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  • How to manipulate data in View using Asp.Net Mvc RC 2?

    - by Picflight
    I have a table [Users] with the following columns: INT SmallDateTime Bit Bit [UserId], [BirthDate], [Gender], [Active] Gender and Active are Bit that hold either 0 or 1. I am displaying this data in a table on my View. For the Gender I want to display 'Male' or 'Female', how and where do I manipulate the 1's and 0's? Is it done in the repository where I fetch the data or in the View? For the Active column I want to show a checkBox that will AutoPostBack on selection change and update the Active filed in the Database. How is this done without Ajax or jQuery?

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  • Need a .NET Dictionary<string,object> with just a little more functionality.

    - by Ronnie Overby
    I need a dictionary but I also need to store a boolean value about the object in the dictionary. What's the best way for this. Something like Dictonary<string,object,bool> would be ideal, but doesn't exist. My first idea was: public class SomeObject { public object Value { get; set; } public bool Flag { get; set; } } // and then use: Dictionary<string,SomeObject> myDictionary; My 2nd idea was to implement IDictionary and contain two dictionaries within that were manipulated by the implemented methods and property accessors. My 3rd idea was to see what the folks at StackOverflow would do.

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  • Do fluent interfaces significantly impact runtime performance of a .NET application?

    - by stakx
    I'm currently occupying myself with implementing a fluent interface for an existing technology, which would allow code similar to the following snippet: using (var directory = Open.Directory(@"path\to\some\directory")) { using (var file = Open.File("foobar.html").In(directory)) { // ... } } In order to implement such constructs, classes are needed that accumulate arguments and pass them on to other objects. For example, to implement the Open.File(...).In(...) construct, you would need two classes: // handles 'Open.XXX': public static class OpenPhrase { // handles 'Open.File(XXX)': public static OpenFilePhrase File(string filename) { return new OpenFilePhrase(filename); } // handles 'Open.Directory(XXX)': public static DirectoryObject Directory(string path) { // ... } } // handles 'Open.File(XXX).XXX': public class OpenFilePhrase { internal OpenFilePhrase(string filename) { _filename = filename } // handles 'Open.File(XXX).In(XXX): public FileObject In(DirectoryObject directory) { // ... } private readonly string _filename; } That is, the more constituent parts statements such as the initial examples have, the more objects need to be created for passing on arguments to subsequent objects in the chain until the actual statement can finally execute. Question: I am interested in some opinions: Does a fluent interface which is implemented using the above technique significantly impact the runtime performance of an application that uses it? With runtime performance, I refer to both speed and memory usage aspects. Bear in mind that a potentially large number of temporary, argument-saving objects would have to be created for only very brief timespans, which I assume may put a certain pressure on the garbage collector. If you think there is significant performance impact, do you know of a better way to implement fluent interfaces?

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  • How do i supress keypress being printed to console in .NET?

    - by cbsch
    Hello, I'm porting a small C++ console game to C# and it seems that I can't stop key presses from being printed to the console. In C++ I get the keystroke with this method, which also suppress the keystrokes from being printed to the console: bool Game::getInput(char *c) { if (_kbhit()) { *c = _getch(); return true; } return false; } I tried to do the equivalent in C# by doing: Key = Console.ReadKey(); But this does not suppress the character from being printed to the console, causing obvious problems. Any ideas on how to remedy this?

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  • Looking for an explanation of the 'Asynchronous' word in .Net?

    - by IbrarMumtaz
    I need someone to explain the following names; Asynchronous Delegates. Asynchronous methods. Asynchronous events. I'm currently going over this for my 70-536 exam and I am covering all my bases so far. The threading chapter and online resources have been good to me on my second read through. Still though, the names used above mean absolutely nothing to me? I would really appreciate the meaning behind the word 'Asynchronous' and its relevance to Delegates, methods and events. Feel free to go into as much detail as you like. Thanks, Ibrar

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  • Use Struct as a Ptr/class? Need a fix .NET

    - by acidzombie24
    I wrote a bunch of code and i would like to fix it the fastest way possible. I'll describe my problem in a easier way. I have apples and oranges, they are both Point and in the list apples, oranges. I create a PictureBox and draw the apple/oranges on screen and move them around and update the Point via Tag. The problem now is since its a struct the tag is a copy so the original elements in the list are not update. So, how do i update them? I consider using Point? But those seem to be readonly. So the only solution i can think of is Clear the list, iterate through all the controls then check the picturebox property to check if the image is a apple or orange then add it to a list I really only thought of this solution typing this question, but my main question is, is there a better way? Is there some List<Ptr<Point>> class i can use so when i update the apples or oranges through the tag the element in the list will update as a class would?

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  • How to select an element by Class instead of ID in ASP.NET?

    - by firedrawndagger
    I have a few scatter elements which I am grouping together using a class like so - . In my code behind, using C# I want to hide these elements, using something like instructions.Visible = false;. However I realize I can only do this in codebehind if I use ID but this will result in invalid HTML/CSS Selector since you can't have multiple ID's with the same ID name... Alternatively is there another way to group the controls if not by class?

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  • ASP.NET MVC - Do stylesheets have to go in the Site.Master file?

    - by Darcy
    Hi all, I noticed that I cannot add stylesheets on any page. They must be added to the master page. I already have about 15 stylesheets in the master view, which seems like overkill, since only some of the pages use a certain stylesheet. I imagine I could reference the file via javascript (although, I can't think of how off the top of my head), but it would be really nice to not have to use any.

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  • How can I show characters for an ASP.net password textbox control after assigning its .Text property

    - by Rob Segal
    I am assigning a value to .Text of a textbox retrieved from a database in Page_Load() but no characters are shown in the textbox after doing this. The value is indeed there when I try to read from it after the assignment. I would like to present some characters to the user even though they are the "dotted" password characters so they know a password has been entered here. Is it possible to do this?

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  • ASP.NET error on Bitmap.Save "Exception (0x80004005): A generic error occurred in GDI+."

    - by Batu
    Hi, I have a function which first reads an image from disk, resizes it and then saves to another directory. when i use the Bitmap.Save(directory + theimagename) it returns the error as i stated in the question title. i checked the directory is right, and the given image name doesn't exist in that dir. what is weird, is that the same code works great on the local machine. but when i upload it to my shared server. it just doesn't work. the code is below. bmpOut = new Bitmap(Size, Size); Graphics g = Graphics.FromImage(bmpOut); g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; g.FillRectangle(Brushes.White, 0, 0, Size, Size); int topBottomPadding = 0; int leftRightPadding = 0; if (Size > lnNewWidth + 1) leftRightPadding = Convert.ToInt32((Size - lnNewWidth) / 2); else if (Size > lnNewHeight + 1) topBottomPadding = Convert.ToInt32((Size - lnNewHeight) / 2); g.DrawImage(loBMP, leftRightPadding, topBottomPadding, lnNewWidth, lnNewHeight); Bitmap bmp = new Bitmap(bmpOut); if (bmp != null) bmp.Save(ResizedOutput); bmp.Dispose(); bmpOut.Dispose(); g.Dispose(); loBMP.Dispose(); stack trace: [ExternalException (0x80004005): A generic error occurred in GDI+.] System.Drawing.Image.Save(String filename, ImageCodecInfo encoder, EncoderParameters encoderParams) +377630 System.Drawing.Image.Save(String filename, ImageFormat format) +69 System.Drawing.Image.Save(String filename) +25 Utilities.ResizeImage(String fileName, String mode) in c:\inetpub\vhosts\batuhanakcay.com\httpdocs\App_Code\Utilities.cs:181 Link.ToProductImage(String fileName) in c:\inetpub\vhosts\batuhanakcay.com\httpdocs\App_Code\Link.cs:79 Product.PopulateControls(ProductDetails pd) in c:\inetpub\vhosts\batuhanakcay.com\httpdocs\Product.aspx.cs:37 Product.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\batuhanakcay.com\httpdocs\Product.aspx.cs:20

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  • ASP.NET Response Filter to Reformat the rendered output of ASPX pages?

    - by PropellerHead
    I've created a simple HttpModule and response stream to reformat the rendered output of web pages (see code snippets below). In the HttpModule I set the Response.Filter to my PageStream: m_Application.Context.Response.Filter = new PageStream(m_Application.Context); In the PageStream I overwrite the Write method in order to do my reformatting of the rendered output: public override void Write(byte[] buffer, int offset, int count) { string html = System.Text.Encoding.UTF8.GetString(buffer); //Do some string resplace operations here... byte[] input = System.Text.Encoding.UTF8.GetBytes(html); m_DefaultStream.Write(input, 0, input.Length); } And this work fine when using it on simple HTML pages (.html), but when I use this method on ASPX pages (.aspx), the Write method is called several times, splitting up the reformatting into different steps, and potentially destroying the string replacement operations. How do I solve this? Is there a way to let the ASPX page NOT call Write several times, e.g. by changing its buffer size, or have I chosen the wrong approach entirely, by using this Response.Filter method to manipulate the rendered output?

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  • How to use ASP.NET Authorization Yet Permit Access to .css Files?

    - by Chaitanya
    <authentication mode="Forms"> <forms loginUrl="Login.aspx"/> </authentication> <authorization> <deny users="?"/> </authorization> I am using forms authentication, and when i place the arguments cited above, the css formatting I have done for the whole document is not being implemented, it's vanishing. what should i be doing so that the CSS remains intact.

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  • How to save search, choose a recent search and then populate the form using jQuery and/or asp.net

    - by user187870
    I want to do something similar to what priceline does. It saves the recent searches in a dropdown menu. When you pick one from the recent search. The form will be populated accordingly. (See screen shot http://yfrog.com/5fscreenshot20100501at105p) This is what I am thinking. (1) Save the searches into an array in a cookie (2), when a recent search item is chosen, retrive the corresponding array element from the cookie and then populate the form. What do you think is the best way to implement this? I especially want to know how to save the form entries into the cookie and how to populate the form.

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