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  • How do you read data from a ADODB stream in ASP as byte values?

    - by user89691
    I have an ASP routine that gets a binary file's contents and writes it to a stream. The intention is to read it from the stream and process it st the server. So I have: ResponseBody = SomeRequest (SomeURL) ; var BinaryInputStream = Server.CreateObject ("ADODB.Stream") ; BinaryInputStream.Type = 1 ; // binary BinaryInputStream.Open ; BinaryInputStream.Write (ResponseBody) ; BinaryInputStream.Position = 0 ; var DataByte = BinaryInputStream.Read (1) ; Response.Write (typeof (DataByte)) ; // displays "unknown" How do I get the byte value of the byte I have just read from the stream? Asc () and byte () don't work (JScript) TIA

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  • Why would an ASP.NET site become veeeeeery slow after the network connection dropped?

    - by Joon
    I have an ASP.NET 3.5 site published in IIS 7.5 on Windows Server 2008 R2 64 bit. The pages are accessed over SSL One of our testers has determined that if, during a postback, he blocks network access on his PC, and then after a few seconds reconnects, our site becomes excruciatingly slow. Like 30 seconds per page load. If he hits the refresh button in his browser it stays slow. If he closes the tab, then re-opens it, it becomes fast again. This behavior happens with both IE 8 and the latest firefox. There are no event log entries on the server when this happens My question: - Has anyone seen this same behavior? - Does anyone have a theory as to what causes it?

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  • Hot to get custom http-header in asp.net?

    - by Sirius Lampochkin
    I have an asp.net appliction on the one server. There I've added code on server-side in Page_Load: Response.AddHeader("key", "password-key-from-hotel"); On the client side I have a form: $lt;form ... action="www.link-to-another-domaint" >   <input type="hidden" id="asd" value="fgh" > .... </form> <script type="text/javascript">   document.forms[0].submit(); </script> Then on the other domain - there is also my other application - I'm trying to get the hedaer "key" by this code: Request.Headers["key"].ToString(); But there is no such header. Is there is a desicion? Where is my mistake?

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  • How do I assign a non-persistent (in-memory) cookie in ASP.NET?

    - by Jørn Schou-Rode
    The following code will send a cookie to the user as part of the response: var cookie = new HttpCookie("theAnswer", "42"); cookie.Expires = DateTime.Now.AddDays(7); Response.Cookies.Add(cookie); The cookie is of the persistent type, which by most browsers will be written to disk and used across sessions. That is, the cookie is still on the client's PC tomorrow, even if the browser and the PC has been closed in between. After a week, the cookie will be deleted (due to line #2). Non-persistent/in-memory cookies are another bread of cookies, which have a lifespan determined by the duration of the client's browsing session. Usually, such cookies are held in memory, and they are discarded when the browser is closed. How do I assign an in-memory cookie from ASP.NET?

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  • How to handle concurrency control in ASP.NET Dynamic Data?

    - by Andrew
    I've been quite impressed with dynamic data and how easy and quick it is to get a simple site up and running. I'm planning on using it for a simple internal HR admin site for registering people's skills/degrees/etc. I've been watching the intro videos at www.asp.net/dynamicdata and one thing they never mention is how to handle concurrency control. It seems that DD does not handle it right out of the box (unless there is some setting I haven't seen) as I manually generated a change conflict exception and the app failed without any user friendly message. Anybody know if DD handles it out of the box? Or do you have to somehow build it into the site?

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  • Resize an asp.net panel width based on a checkboxlist?

    - by larryq
    Hi everyone, I have an asp.net panel that contains a checkboxlist. I'd like to resize it so that its width fits the list's contents snugly. Right now I'm handling the panel's pre rendering event, setting its width to match that of the checkboxlist. However it appears the checkboxlist's width property reads zero (at least in this pre render method) so the panel's width is set identically, which leads to inconsistent renderings in Firefox vs IE. Does anyone have a better approach to doing what I'm attempting here? Many thanks.

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  • Can I fire a Text Changed Event for an asp.net Text Box before it loses focus?

    - by Xaisoft
    I have an asp.net TextBox in which I want to check if the text entered into the TextBox is > 0. It works once I tab out or click out of the TextBox, but if I keep focus on the TextBox, it won't fire the Text Changed Event, so I have the following scenario, I want to enable something if and only if the TextBox.Text.Length = 0. Now, if I put my caret in the TextBox and delete all the characters and then leave the caret in the TextBox so it still has focus and take my mouse and click a button, it will not do what it was supposed to do because it never fired the Text Changed Event. How would something like this be handled?

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  • How to insert bulk data into mysql table from asp.net at once.

    - by kranthi
    Hi, I have a requirement that I need to read an excel sheet using asp.net/C# and insert all the records into mysql table.The excel sheet consists of around 2000 rows and 50 columns. Currently,upon reading the excel records ,I am inserting the records one by one using a prepare statement into mysql table.But its taking around 70 secs to do so because of the huge data. I've also thought of creating a new datarow, assigning values to each cell,adding the resulting datarow to datatable and finally calling dataadapter.update(...).But it seems to be complex because I got around 50 columns and hence I'll have to assign 50 values to the datarow. Could someone please suggest if there is an alternate to improve the performance of the insertion? Thanks

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  • ASP.NET: Why is my JavaScript object set to null?

    - by Giffyguy
    I have a <script> that contains this line: var tbl = document.getElementById("<%= this.tblSelection.ClientID %>"); ... but tbl always ends up being set to null. The table is declared like this: <asp:Table ID="tblSelection" runat="server" CellPadding="2" CellSpacing="0" cols="1" style="position: absolute; top: 0%; right: 0%"> Both the script and the table are in the same master page file. What could be causing this? EDIT: I should mention that this script is executed on onload

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  • How do I fire an asynchronous call in asp classic and ignore the response?

    - by Hexate
    Here's the gist: I have a call I want to make in asp, and I do not care about the response. I just want to fire the call and I do not want the page to wait for the response. According to the documentation, it should look something like this: dim xmlhttp : set xmlhttp = Server.CreateObject("MSXML2.ServerXMLHTTP") xmlhttp.Open "POST", url, true '' setting the 'asynchronous' option to 'true' xmlhttp.setRequestHeader "Content-Type", "application/soap+xml; charset=utf-8" xmlhttp.setRequestHeader "Content-Length", Len(XMLData) xmlhttp.send XMLData This works peachy when calling synchronously, but when I flip the ansynchronous option to 'true', nothing fires. What I can gather from the internet is that users do something like the following: While xmlhttp.readyState <> 4 xmlhttp.waitForResponse 1000 Wend Am I crazy in that this does not really seem like an asynchrous call anymore though if you are waiting for a response? putting the line xmlhttp.waitForResponse 1 right after the send will cause the request to fire, but again, I don't want to wait a second. Any thoughts?

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  • In an asp.net, how to get a reference of a custom webcontrol from a usercontrol?

    - by AJ
    Hi I have a page which holds a custom webcontrol and a usercontrol. I need to reference of webcontrol in usercontrol class. So, I make the declaration of webcontrol as public in page class. But, when I do “this.Page.”, I don’t see the webcontrol listed in list provided by intellisense. Most probably, I am missing something. In an asp.net page, how to get a reference of a custom webcontrol from a usercontrol? Please advise. Thanks Pankaj

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  • Can someone give me an overview of ASP.net and how it's different from technologies such as php?

    - by DavidR
    I've been doing the html and css for a site, sending it off to a guy to implement in a web server. I get a call from the designer freaking out about the progress, saying the clients aren't happy. He wants me to personally integrate my css with what's on the site. The site is done in ASP.net, time is short, and I'm a little in over my head. I have an understanding of how php works, but have never worked extensively with it. Looking at the stuff on the ftp, I can't even find equivalent of the index.html file (I know that when I go to the site itself, there is nothing after the base url, i.e., www.site.com/ brings me to the homepage.) Can anyone give me a few tips or links as to what I am to do with this, or where to even being navigating this site?

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  • How do I read an HttpResponse in ASP.NET 2.0?

    - by David
    For example, I have an ASP.NET form that is called by another aspx: string url = "http://somewhere.com?P1=" + Request["param"]; Response.Write(url); I want to do something like this: string url = "http://somewhere.com?P1=" + Request["param"]; string str = GetResponse(url); if (str...) {} I need to get whatever Response.Write is getting as a result or going to url, manipulate that response, and send something else back. Any help or a point in the right direction would be greatly appreciated.

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  • How to add/use an AJAX control in a non-AJAX enabled website in ASP.NET?

    - by Kuroro
    Hi guys! I have started a simple website using ASP.NET but it is not an AJAX-enabled project. Now what I need is to use an AJAX control (specifically Autocomplete) but I do not know how to add it to my website. What I should do guys? Do I need to add something in my library? What should I do in order to see it in the toolbox..? Please help me I'm just a newbie... Thanks in advance...

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  • How do I safely Debug.Assert in ASP.NET?

    - by MatthewMartin
    Asserts can't be caught. This is good because some errors I don't want to be wrapped in try/catch, at least not on the development server. But Asserts seem awefully dangerous. If they get onto production, it can hang the ASP.NET server with a msgbox. //Don't want this on prod even if debug=true is in the web.config #if DEBUG //A future client programmer can wrap this in a try{}catch{} if (!EverythingIsOkay) throw new InvalidOperationException("Dagnabbit, programming error"); //This stops the but has less information that an // Exception and hangs the server if this accidentally // runs on production System.Diagnostics.Debug.Assert(!EverythingIsOkay); #endif Is there better way to communicate an violation of a inviolable condition to a developer without risking hanging IIS? UPDATE: After reading the first replies, I guess the answer hinges on a foolproof way to detect when code is running in a development environment and when it is on a production server, or figuring out how to throw an exception that can't be caught and ignored.

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  • asp.net membership provider api. usability. best-practice

    - by Andrew Florko
    Hello everybody, Membership/Role/Profile providers API appeared in early days of asp.net Nearly everytime I can't live with standard API & have to add some extra functionality (for sorting, retrieving e.t.c.). I also have to use different database structure often (with foreign key to some tables for example) or think about performance improvements. These considerations forced teams I took part in to build own providers but I can't stand to implement providers API (because we don't use 70% of standard functionality at least). Moreover, providers that were built for exact projects were rarely reused. I wonder if someone found swiss-knife early-days-API providers implementation that is usefull for any kind of project without refactoring... Or do you use your own implementations of early-days-API's Or may be you abandon standard architecture and use lightweight implementations ? Thank you in advance

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  • How to give a custom ASP.NET control the ability to parse XML markup to a collection?

    - by Vilx-
    I'm writing a custom ASP.NET webcontrol and would like it to have a collection of custom items which can also be specified in the XML markup. Something like this: class MyControl: WebControl { public IList<MyItemType> MyItems { get; private set; } } And in the markup: <asd:MyControl runat="server" id="mc1"> <MyItems> <MyDerivedCustomItem asd="dsa"/> <MyOtherDerivedCustomItem asd="dsa"/> </MyItems> </asd:MyControl> How do I do this? I though this was all about implementing some interface on the collection or adding some special attributes to the property, but nothing I do seems to work.

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  • How to progammatically extract audio mp3 from a youtube video using asp.net c#?

    - by Zap
    Does anyone have any sample asp.net C# code to extract the audio from a youtube video link and save it as a mp3 file. Someone recommended using wget and ffmpeg which I installed and am trying to shell a command, but get an exception below. Sample code is listed below. System.Diagnostics.Process proc = new System.Diagnostics.Process(); proc.EnableRaisingEvents = false; proc.StartInfo.FileName = "C:\\Program Files\\GnuWin32\\bin\\wget.exe http://www.youtube.com/get_video?video_id=... | ffmpeg -i - audio.mp3"; proc.Start();

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  • Data Access Layer in ASP.Net: Where do I create the Connection?

    - by atticae
    If I want to create a 3-Layer ASP.Net application (Presentation Layer, Business Layer, Data Access Layer), where is the best place to create the Connection objects? So far I used a helper class in my Presentation Layer to create an IDbCommand from the ConnectionString in the web.config on each page and passed it on to the DAL classes/methods. Now I am not so sure, if this part shouldn't also be included in the DAL somehow, because it obviously is part of the Data Access. The DAL is in a separately compilated project, so I dont have access to the web.config and cannot access the connection string (right?). What is the best practice here?

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  • ASP.NET ListView: how to insert "particular" item each N items ?

    - by stighy
    Hi at all, i would like to do a "weird" thing with the asp.net listview control. I would like to insert advertising each 8-10 item of the listview (databounded with a database table) : for example each 8-10 item insert the google adwords jscript code. I've googoled but i haven't found anything. Someone know if it's possible to "tell the listview: each 8 items, show this item (google jscript code). Excuse me for my poor english. Hope to be explained, thanks!

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  • How do I tell which account is trying to access an ASP.NET web service?

    - by Andrew Lewis
    I'm getting a 401 (access denied) calling a method on an internal web service. I'm calling it from an ASP.NET page on our company intranet. I've checked all the configuration and it should be using integrated security with an account that has access to that service, but I'm trying to figure out how to confirm which account it's connecting under. Unfortunately I can't debug the code on the production network. In our dev environment everything is working fine. I know there has to be a difference in the settings, but I'm at a loss with where to start. Any recommendations?

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  • CPU Usage relative to number of users? - ASP.Net Application

    - by soldieraman
    My Asp.net application uses 25-30% of the CPU on a test server which has 600 MB Ram on it. I can see the asp_wb process taking that much percentage of CPU. This is when I am testing using one user. How many users can the server afford then without falling over? Is there a relationship between the CPU Usage and number of user aka if there are 2 users my application will sky rocket to 60% of memory usage? Or does/Should/How does the server handle this?

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  • How to show a message box in an ASP.NET page?

    - by Praveen
    As I was a Windows programmer it was so easy to show a message box on a form. But on an ASP.NET page I don't know how can I show it? Actually I have some condition and based on that I want to show a message box to the user to get his/her response and based on that response I want to continue. For example I want to ask the user "Do you want to continue?" with two buttons "Yes" & "No".

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  • How to modify the HTML and BODY tags in an ASP.NET page without adding runat=server to the elements?

    - by jon333
    In an ASP.NET web forms project that is not quite ready to be upgraded from 2.0 to 4.0 , there is a change that needs to be made to allow modifications to the HTML and BODY tags on the pages without adding runat=server to the tags which results in the 2.0 styled "ugly ids" like "ctrl_100..." For example, how could we change these using JavaScript, a Response Filter (the regex to find these specific tags would really help on this one), or something else...from: <html xmlns="//www.w3.org/1999/xhtml"> <body> To: <html lang="jp=JP" xmlns="//www.w3.org/1999/xhtml" dir="rtl"> <body dir="rtl"> JavaScript seems like a possibility, but functions from the server-side could would determine the language and direction the page should have.

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  • Is search and replace the only way to rename an asp control in the code behind file?

    - by Matt
    Is search and replace the only way to rename as asp control in the code behind file? I find this extremely annoying, but it is the only way I can find. Scenario: I'll find a variable that needs renaming (Usually to meet naming convention) I'll rename the variable in the aspx/ascx file. I'll have to go in the code behind files and search and replace. I get annoyed Are there any better ways - preferably that would not touch a similarly named variable in another scope in the project. I'm on VS2008 with resharper -- does VS2010 address this perhaps?

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