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  • ASP.NET: Enumerating header elements from codebehind

    - by JamesBrownIsDead
    On Page_Load() in the codebehind, I'd like to enumerate all the <link> tags. The purpose being I want want to add a <link> to a CSS file if it isn't specified in the Page's markup. How can I do this? I'm thinking I should be able to use LINQ on the collection of elements in the header, no? Here's my pseudocode: var pageAlreadyContainsCssLink = false; foreach(var control in this.Header.Controls) { if (control.TagName == "link" && control.Attributes["href"] == "my_css_file.css") { pageAlreadyContainsCssLink = true; break; } } if (pageAlreadyContainsCssLink) { // Don't add <link> element return; } // Add the <link> to the CSS this.AddCssLink(...);

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  • Alternatives to web.config files in ASP.NET

    - by Ben Aston
    In my experience, web.config files are widely reviled. In particular, I have found them difficult to manage when you have multiple environments to support, and fiddly to update due to the lack of validation at update-time and the verbosity of XML. What are the alternatives?

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  • Help with Exception Handling in ASP.NET C# Application

    - by Shrewd Demon
    hi, yesterday i posted a question regarding the Exception Handling technique, but i did'nt quite get a precise answer, partly because my question must not have been precise. So i will ask it more precisely. There is a method in my BLL for authenticating user. If a user is authenticated it returns me the instance of the User class which i store in the session object for further references. the method looks something like this... public static UsersEnt LoadUserInfo(string email) { SqlDataReader reader = null; UsersEnt user = null; using (ConnectionManager cm = new ConnectionManager()) { SqlParameter[] parameters = new SqlParameter[1]; parameters[0] = new SqlParameter("@Email", email); try { reader = SQLHelper.ExecuteReader(cm.Connection, "sp_LoadUserInfo", parameters); } catch (SqlException ex) { //this gives me a error object } if (reader.Read()) user = new UsersDF(reader); } return user; } now my problem is suppose if the SP does not exist, then it will throw me an error or any other SQLException for that matter. Since this method is being called from my aspx.cs page i want to return some meaning full message as to what could have gone wrong so that the user understands that there was some problem and that he/she should retry logging-in again. but i can't because the method returns an instance of the User class, so how can i return a message instead ?? i hope i made it clear ! thank you.

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  • C# ASP.NET FILE TRANSFER FROM LOCAL MACHINE TO ANOTHER MACHINE

    - by Imcl
    I basically want to transfer a file from the client to the file storage server without actual login to the server so that the client cannot access the storage location on the server directly. I can do this only if i manually login to the storage server through windows login. I dont want to do that. This is a Web-Based Application. Using the link below, I wrote a code for my application. I am not able to get it right though, Please refer the link and help me ot with it... http://stackoverflow.com/questions/263518/c-uploading-files-to-file-server The following is my code:- protected void Button1_Click(object sender, EventArgs e) { filePath = FileUpload1.FileName; try { WebClient client = new WebClient(); NetworkCredential nc = new NetworkCredential(uName, password); Uri addy = new Uri("\\\\192.168.1.3\\upload\\"); client.Credentials = nc; byte[] arrReturn = client.UploadFile(addy, filePath); Console.WriteLine(arrReturn.ToString()); } catch (Exception ex) { Console.WriteLine(ex.Message); } } The following line doesn't execute... byte[] arrReturn = client.UploadFile(addy, filePath); THIS IS THE ERROR I GET :- "An exception occurred during a WebClient request"

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  • Extending ASP.NET role providers

    - by Quick Joe Smith
    Because the RoleProvider interface seems to treat roles as nothing more than simple strings, I'm wondering if there is any non-hacky way to apply an optional value for a role on a per-user basis. Our current login management system implements roles as key-value pairs, where the value part is optional and usually used to clarify or limit the permissions granted by a role. For example, a role 'editor' might contain a user 'barry', but for 'barry' it will have an optional value 'raptors', which the system would interpret to mean that Barry can only edit articles filed under the 'raptors' category. I have seen elsewhere a suggestion to simply create additional delimited roles, such as 'editor.raptors' or somesuch. That's not really going to be ideal because it would bloat the number of roles greatly, and I can tell it's going to be a very hard sell to replace our current implementation (which is also very less than ideal, but has the advantage of being custom made to work with our user database). I can tell already that the concatenation method mentioned above is going to involve a lot of tedious string-splitting and partial matching. Is there a better way?

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  • tweetmeme and asp.net

    - by Alexander
    How can I incorporate tweetmeme so I can get that retweet button on an .aspx page? I know the code looks something like this: <div style=’float:right; padding: 5px 5px 5px 5px’> <script type=’text/javascript’> tweetmeme_url=&#39;<data:post.url/>&#39;; tweetmeme_style = ‘compact‘; </script> <script src=’http://tweetmeme.com/i/scripts/button.js’ type=’text/javascript’> </script> </div> but we can't add a script inside the body of a html page

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  • Windows Media Encoder object not created in ASP.NET on MS Server 2003 64 bit

    - by Ron
    Hello, I created (and used) a Windows Media Encoder object in Microsoft Visual C# 2008 Express Edition on MS Server 2003 64 bit. This worked fine. However, when I attempted to create the equivalent Windows Media Encoder object using Microsoft Visual Web Developer 2008 on MS Server 2003 64 bit, the following exception was thrown: "Retrieving the COM class factory for component with CLSID {632B606A-BBC6-11D2-A329-006097C4E476} failed due to the following error: 80040154." It cannot be that the component isn’t registered, because both have a reference to the same WMEncEng.dll file. The Microsoft Visual Web Developer 2008 code also worked fine on XP 32 bit. Could it be a problem with permissions? Regardless, anyone have any ideas why this problem is occurring and, more importantly, how to resolve it? Thank you. Here are the two code snippets from MS Server 2003 64 bit: Microsoft Visual Web Developer 2008 (did not work): using System; using WMEncoderLib; namespace TestWMEnc { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { try { WMEncoder encoder = new WMEncoder(); //exception thrown // ... } catch (Exception err) { string exception = err.Message; } } } } Microsoft Visual C# 2008 Express Edition (worked fine): using System; using System.Windows.Forms; using WMEncoderLib; namespace testWMEncoder { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { try { WMEncoder encoder = new WMEncoder(); // ... } catch (Exception err) { string exception = err.Message; } } } }

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  • Asp.net web site and web service hosting

    - by Razvi
    I have a web site and a web service and I would like to host them somewhere. I need to use it mostly for testing and so that a some friends who are developing some applications to use the service have access to it. Also the service is using a MS SQL 2008 database. Could you suggest any good free or cheap web hosting service for this. I would need about 1-2 months of hosting.

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  • ASP.NET GridView and UpdatePanel

    - by Echilon
    I have a GridView, inside a UserControl, inside an UpdatePanel on a page. There's a button in the GridView which needs to fire a postback. What happens is: User clicks button - RowCommand Fires - Custom event is raised on UserControl - Page detects this and changes the active view index for a multiview and also the page title and some other controls outside the UpdatePanel. The problem is, the page posts back asyncchronously, the page title changes, but the actions requireing a full postback don't happen because a full postback doesn't occur. To register the button as a postback trigger I'm using: ImageButton btnResults = e.Row.FindControl("btnResults") as ImageButton; ScriptManager scrCurrent = ScriptManager.GetCurrent(this.Page); if (btnResults != null && scrCurrent != null) { scrCurrent.RegisterPostBackControl(btnResults); } I know this is a bit of a complicated problem, but I'd really appreciate any help.

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  • How to communicate between ASP.net custom controls

    - by ForeverDebugging
    I'm using two custom controls. One gathers the criteria for a search, and the other displays a list. These two controls need to remain seperate for the time being. What is the best method of transfering data from the search control, to the list control? I'm thinking of ViewState, Session or wrapping both within a UpdatePanel and using custom events??

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  • URGENT: How to force a postback with asp.net and C#

    - by ErnieStings
    I have a demo scheduled with a client and i need a quick and dirty fix for now. I will find a more appropriate work around tomorrow but for the time being i need a way to force a post back, or refresh the page. i tried: Response.Redirect(""); but it brings me to a page that says "Object moved to here". 'here' is a hyperlink that brings me to the page with desired results but i wish to bypass this message. Any ideas. This is very urgent. Any help would be much appeciated Thanks, shawn

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  • Session Variable Not Being Saved When Using Wizard Control ASP.NET

    - by davemackey
    I have a wizard control. When someone clicks a button within the wizard control I automatically advance to the next step (rather than forcing them to click next). However, this seems to cause the session state variable not to be saved. I've done some research and noticed that Response.Redirect does hard redirects that truncate page execution - and that you can add a false parameter to prevent this...what I'm wondering is if the wizard control is doing the same thing and if so, if I can add a parameter to this as well? Dave.

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  • asp:Login control requests

    - by Dean
    Hi All, ran into an issue, we are using webforms with a site with this dir structure: root: / secure : /securepages/ we only want users who are logged in to access /securepages/. currently we are using the login control, 3.5, forms auth, all is working ok but know we have thrown assl cert into the mix and the issue is that the login control is requesting WebResource.axd?d=XukT0PE1PS-iOKw3RT8Z6g2&t=633834231612265882 from the non secure url e.g. ht tp://www.mysite.com/WebResource.axd?d=XukT0PE1PS-iOKw3RT8Z6g2&t=633834231612265882 . This causes the browser to prompt the user to download unsecure content. I am using some redirecting in the global.asax to handle redirection to https://xx xxxlogin.aspx if login.aspx it requested from http://. thanks

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  • ASP.NET UserControl Inheritence

    - by Craig
    I have a UserControl that is working fine. It is declared like this. public partial class DynamicList : System.Web.UI.UserControl { protected static BaseListController m_GenericListController = null; public DynamicList() { m_GenericListController = new GenericListController(this); } } Now I want to override this control so I can change some of the properties. I have created a class like this. public partial class JobRunningList : DynamicList { public JobRunningList() { m_GenericListController = new JobListController(this); (m_GenericListController as GenericListController).ModuleId = 14; } } It appears that the controls in the DynamicList are not getting created though when I use the JobRunningList control now causing predictably bad results. The DynamicList UserControl has a ListView on it and a few other controls. It appears these are not created when using the JobRunningList. Is there any secret to this?

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  • ASP.NET - Nested Custom Templates

    - by Echilon
    I'm thinking about converting a few usercontrols to use templates instead. One of these is my own UC which contains some controls, one of which is a repeater. Is it possible to specifcy a template for the second level usercontrol from the template for the first (which would be on the page)?

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  • C# ASP.Net The type or namespace name 'Secure' does not exist in the namespace 'source_extranet'

    - by Louis Russell
    Afternoon all, I really need your help as this is a Nightmare! I was earlier having a problem with referencing a 3rd Party Dll (Here) but have overcome this problem and am now having a problem referencing my own classes! Everything seems fine at build with no errors at all but when I go to run the application it comes up with the following Compilation Error: Compiler Error Message: CS0234: The type or namespace name 'Secure' does not exist in the namespace 'source_extranet' (are you missing an assembly reference?) The line that the Error points to this line in the class: source_extranet.Secure.BackendCustomData newdata = new source_extranet.Secure.BackendCustomData(); This line of code points to a class in the same folder as the calling code class. I have scoured Google looking for an answer and haven't found anything that points me to an answer to my problem. Any help would be AMAZING!

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  • ASP.NET- Sending an e-mail

    - by Roshan
    I am doing a Flight booking system and I want to send an E-Mail to the user which wiil contain the E-Ticket of his travel. The E-Ticket is generated dynamically with the booking ID fetched from the database and the other details from the previous pages like Name of the passenger and all. So how can I send him the dynamically generated E-Ticket to his E-Mail ID?

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  • ASP.Net HttpHandler ProcessRequest() firing twice

    - by Doug
    Hi there, I have a strange issue where i have a a HttpHandler having its ProcessRequest() event firing twice. i have nothing else in the class except a pointer to a static method so i'm lost. I have done some googling to no avail even thought it appears a few people are having similar issues: Code: public bool IsReusable { get { return true; } } public void ProcessRequest(HttpContext context) { Common.Tracker.TrackPageView(context); }

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  • stupid caching in asp.net

    - by kusanagi
    i use such code string.Format("<img src='{0}'><br>", u.Avatar); u.Avatar-it's like '/img/path/pic.jpg' but in this site i can upload new image instead old pic.jpg. so picture new, but name is old. and browser show OLD picture (cache). if i put random number like /img/path/pic.jpg?123 then works fine, but i need it only ufter upload, not always. how can i solve this? ?????????? ??????

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