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  • ASP.NET server side show JS Alert box, doesn't work when using partial post back.

    - by jamone
    I have put the following method in my master page. It works when I call it on a full post back, but when I call it from a updatePanel's asyncPostBack no alert is shown. public void ShowAlertMessage(String message) { string alertScript = String.Format("alert('{0}');", message); Page.ClientScript.RegisterStartupScript(this.GetType(), "Key", alertScript, true); } What do I need to do so it works on partial post backs?

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  • ASP.NET forgets dlls in bin directory

    - by Timothy Strimple
    We have a plugin system on a WCF service that checks libraries placed in the bin folder for certain assembly level attributes and loads them. This allows customization of certain service calls based on which client is making the call. This works great most of the time. However, sometimes it seems to lose the dll, which causes the service to revert back to the default implementation for every client. The solution so far has been to just move the dll file out of the bin folder, and back in. This causes asp.net to pick up the file and customizations start working again. I'm at a loss for why the assembly is getting missed like that after a certain amount of time. Any ideas as to what might be causing this?

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  • ASP.NET MVC - ASPX with non-default constructor

    - by bh213
    Is it possible for a ASPX view (in ASP.NET MVC) to have non-default constructor AND use this constructor when creating this view? Example - Page will inherit from this class: public class ViewPageWithHelper<TModel> : System.Web.Mvc.ViewPage<TModel> where TModel : class { public ViewPageWithHelper(Helpers helpers) { Helpers = helpers; } protected Helpers Helpers { get; private set; } } ASPX view: <%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="MyInjectedViewPage<MyModel>" %> <% Helpers.XXXX %> Now, I'd like to inject Helpers into view somehow - automatically. Ideas?

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  • Comet with ASP.NET AsyncHttpHandlers

    - by Sumit
    I am implementing a comet using AsyncHttpHandlers in my current asp.net application. According to my implementation client initially sends Notification Hook request to server (with its user id) on AsyncHttpHandler, and on server side I maintain a Global (Application level) dictionary of userid(key) and IAynsResult (value). So when ever a request is received to send notification to a user I just pick the matching IAsyncResult from the Global Dictionary and send response to the client user. My concern is, is maintaing a Dictionary of Userid and IAsyncResult at Application level a good design? I feel it will put a lot of load on the server, at the time of high traffic. Is there any other way I can achieve the comet. or what will be the good design to achieve comet for high traffic scenarios.

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  • Upsert - Efficient Update or Insert in VB.Net, SQL Server

    - by HK1
    I'm trying to understand how to streamline the process of inserting a record if none exists or updating a record if it already exists. I'm not using stored procedures, although maybe that would be the most efficient way of doing this. The actual scenario in which this is necessary is saving a user preference/setting to my SettingsUser table. In MS Access I would typically pull a DAO recordset looking for the specified setting. If the recordset comes back empty then I know I need to add a new record which I can do with the same recordset object. On the other hand, if it isn't empty, I can just update the setting's value right away. In theory, this is only two database operations. What is the recommended way of doing this in .NET?

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  • view state in ASP.NET MVC Application

    - by Shetty
    Hi, I have read that viewstate is not there in asp.net MVC application. I am doing model validation. Now if i have two text boxes on my page,and i am doing required filed validation for both of them in model. This validation is done on server side on click of a button. I will fill one text box and click on submit button. It does the validation and returns the result saying second field is required. At this time value of the first text box is retained. So can you tell me how this text box is retaining the value even after postback?

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  • asp.net forms authentication timing out after 1 minute

    - by user548929
    I'm using ASP.NET MVC 3 with the Authorize attribute, but it keeps kicking me to the logon page after 1 minute, but even though my expiration is set to a very high value, it times out quickly. I check the cookie in my browser and its still there and not set to expire until about a month later, and it's set to be persistent, so I'm not sure why it keeps booting me. It only happens on my published location, locally it works just fine. var ticket = new FormsAuthenticationTicket(username, true, 500000); var encryptedTicket = FormsAuthentication.Encrypt(ticket); var cookie = new HttpCookie(FormsAuthentication.FormsCookieName, encryptedTicket); cookie.Expires = ticket.Expiration; Response.Cookies.Add(cookie); web.config: <authentication mode="Forms"> <forms loginUrl="~/Account/LogOn" timeout="7200" slidingExpiration="false"/> </authentication>

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  • Asp.net cached objects staying in memory

    - by GordonB
    I have a asp.net web forms app that uses System.Web.Caching.Cache to cache xml data from a number of web services for 2 hours. webCacheObj.Remove(dataCacheKey) webCacheObj.Insert(dataCacheKey, dataToCache, Nothing, DateTime.Now.AddHours(2), Nothing) Every 90 minutes a Microsoft Search Server hits a particular (spider) page which calls the code to put the objects into the cache. The issue i have is that over a period of time, the memory usage of the application grows exponentially. Lets say that in a week, the memory usage of the application pool grows to over 1gb. I'm using IIS7 and no application pool recycling is currently enabled.

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  • Running ASP.NET MVC application behind a proxy with different root relative path

    - by Wiebe
    Hi All, I'm having trouble with paths in a ASP.NET MVC application that's running behind a proxy. Our IIS Application root path is for example http://server/MyApp/ meaning that all urls using the application root ("~/",Url.Action("MyAction","MyController")) are resolved to "/MyApp" Now we're running behind a proxy server that forwards all requests, but changes the application root to something like this: "/Secury/Proxy/RubbishUrl/MyApp" Because the original url is only available on the client, I thought of creating a cookie with the path prefix, and insert this before each generated URL on the server. Now the question is, what's the best location in code to modify each URL that's resolved/sent to the client (to resources, controller actions, images etc)? Every path in the application is resolved with the MVC methods (Url.Content, Url.Action etc).

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  • Using a Resource as an Attribute to a HTML Element in ASP.net

    - by Michael Stum
    I would like to have this piece of code in my .aspx file: <input class="ms-ButtonHeightWidth" type="button" name="BtnOK" id="Button2" value="Close" onclick="javascript:HandleOKButtonClick()" accesskey="<%$Resources:wss,okbutton_accesskey%>" /> Unfortunately, ASP.net doesn't seem to like that: An error occurred during the processing of /_layouts/MyPage/Info.aspx. Literal expressions like '<%$Resources:wss,okbutton_accesskey%>' are not allowed. Use <asp:Literal runat="server" Text="<%$Resources:wss,okbutton_accesskey%>" /> instead That doesn't work in this situation as that would mean nesting the Literal between the quotes of the accesskey attribute, which causes a "The tag contains duplicate 'ID' attributes" error. Is there a way to use a string from a resource without having to change the input to an asp:Button? I guess there has to be a way using <%=, but I don't know how I would address the resource itself?

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  • Debugging ASP.NET Session State server issues

    - by Cleggy
    We have an application that runs over load balanced server instances, and therefore is configured to use the ASP.NET session state service, which is running on one of our DB servers. While both instances of our app can successfully connect to the state server, changes in session state data are not being reflected across both of them. FI, If I call Session.Add('SomeKey', SomeData) on Server A, this is not being reflected if I then try to access Session['SomeKey'] on Server B. Session.SessionID returns the same value on both servers, and I have checked that they are both using the same validationkey and decryptionkey values configured in the machinekey section of machine.config. I even tried specifying these values in the apps web.config. What other things should I be looking out for which may be causing these symptoms, and what steps can people recommend to help debug this issue?

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  • How to access a nested MultiView control in ASP.NET

    - by Eden
    I have an asp.net page with a multiview control nested within another multiview control. In my code behind I'm trying to access the inner most multiview control to set it's ActiveViewIndex. The problem I'm having is that I don't seem to be able to access the control. It's not available directly via this.MySubMultiview. And attempts to use this.FindControl or this.MyOuterMultiView.FindControl doesn't work. Html: ... ... Code behind: MultiView multiAddress = (MultiView)this.MultiViewMain.FindControl("MultiViewAddress"); multiAddress.ActiveViewIndex = 1;

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  • Remote Ajax Call in jQuery .click() function doesn't finish before going to next page.

    - by Clint
    I need to send click information on my website to a third party server using ajax (json). I am using jquery and I added the click event to certain links. In the click event I am making a json request to a remote server with the location of the click (heat map) and some other information. The problem is that the ajax function doesn't fire in time before the default link action happens. Setting async to false doesn't seem to work on remote ajax calls. I have tried preventDefault(), but then I don't know how to run the default action after the successful ajax call. Here is what I want to do: $('a').click(submit_click); function submit_click(e,fireAjax){ e.preventDefault(); cd_$.ajax({ url: jsonUrl, //remote server dataType: 'json', data: jsonData, async: false, success: function(reply){ //Run the default action here if I have to disable the default action }, }); } Any suggestions?

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  • Using Function return in global variable vb.net

    - by Cold Assassin
    Can't seem to figure out how to use a function return variable in global Dims example code: Public Class Main Dim Path As String = FixPath() Dim fixwrongtxt As String = Path & "tryme.txt" Private Sub Main_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load FixPath() On_load() End Sub Private Function FixPath() As String Path = "C:\test" MsgBox(Path) //First Message Box' Return Path End Function Sub On_load() MsgBox(fixwrongtxt) //Second Message Box End Sub End Class when I run it all I get the first message box that contains "C:\test" and I click ok and on the second messagebox I get "custom.dll" with out the "C:\test" or "Path Return" What am I doing wrong? I know I can't use // in vb.net. I have also tried adding "FixPath()" under Sub On_load() but got same result. Also the reason I have to have these global is because I have around 30 Subs that refer to "Path" Variable... Thanks

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  • Getting Stored Procedure Information from .Net

    - by Ben
    Hi, I am trying to get some data relevant to a stored procedure (or funtion) back from a database using .Net. The first thing I need to be able to do, is get the stored proc from the database and turn it into string format. The information I need is: The return set of columns, tables used within the SP, Stored Procedures called from the SP. The only way of doing this at the moment that i can think of, is though parsing the text and looking for keyword matches. Is there a better way of doing this? Any ideas? Thanks.

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  • Converting ASP.NET MVC to n-Tiered Architecture

    - by Jeff
    I just built an application using ASP.NET MVC. The programmers at my company want to build all future modules using n-Tiered (Presentation Layer, Business Logic Layer, Data Access Layer) architecture. I am not the programmer and need to know why this makes sense? Do I have to completely rewrite the entire code or can it be converted? We are building an HRIS system with Business Intelligence. Somebody please explain why or why not this approach does or does not make sense.

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  • question about System.Net

    - by backdoor
    hi all. when i use some code like this: System.Net.WebClient objClient = new WebClient(); string url = "http://google.com"; objClient.DownloadString(url); it takes some seconds to connection stablished and downloading starts... i reinstall my windows yesterday. before yesterday i havent this problem. some times when i reinstall my windows this problem occures. does anyboddy know why this problem occures?? thanks all and sorry for my bad english....

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  • Stopping function on event in vb.net

    - by afilatun
    I have a vb.net application which does some processing. This processing can take a while. The application doesn't respond until the processing has ended and then it handle all events (such as click on buttons) that the user has done during the processing. I'd like to add a "Stop" button so that the user can stop the processing at some point. How can I do that? Could threading the processing (which is done in a function of the application) be a possible solution? I tried to add a button which change a boolean value and putting the code of the processing function inside a while statement based on that boolean value. However it doesn't work because the click event on the button is processed only after the end of the processing.

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  • How to manually verify a user against the asp.net memberhip database

    - by Ekk
    I would like to know how I can verify a user's credential against an existing asp.net membership database. The short story is that we want provide single sign on access. So what I've done is to connect directly to the membership database and tried to run a sql query against the aspnet_Membership table: private bool CanLogin(string userName, string password) { // Check DB to see if the credential is correct try { string passwordHash = FormsAuthentication.HashPasswordForStoringInConfigFile(password, "SHA1"); string sql = string.Format("select 1 from aspnet_Users a inner join aspnet_Membership b on a.UserId = b.UserId and a.applicationid = b.applicationid where a.username = '{0}' and b.password='{1}'", userName.ToLowerInvariant(), passwordHash); using (SqlConnection sqlConn = new SqlConnection(ConfigurationManager.ConnectionStrings["LocalSqlServer"].ConnectionString)) using (SqlCommand sqlCmd = new SqlCommand(sql, sqlConn)) { sqlConn.Open(); int count = sqlCmd.ExecuteNonQuery(); sqlConn.Close(); return count == 1; } } catch (Exception ex) { return false; } } The problem is the password value, does anyone know how the password it is hashed?

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  • asp.net 3.5 on windows 2000

    - by SiC
    Hi, I am trying to get an ASP.net 3.5 site to run on a windows 2000 machine (not my idea!!!) but am having some problems. I have been working through copying required dlls from C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5 into my app bin directory. This succesfully got me past the "assembly not found" errors. However, I am now getting the error: "Compiler executable file csc.exe cannot be found". Does anyone know how I can fix this? It is primarily LINQ functionality I am looking to utilise. Many thanks!!

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  • Jquery-UI tabs : Double loading of the default tab with

    - by Stephane
    I use jqueryui-tabs to display a tabbed UI. here is how my markup looks in a MasterPage: <div id="channel-tabs" class="ui-tabs"> <ul class="ui-tabs-nav"> <li><%=Html.ActionLink("Blogs", "Index", "Blog", new { query = Model.Query, lang = Model.SelectedLanguage, fromTo = Model.FromTo, filters = Model.FilterId }, new{ title="Blog Results" }) %></li> <li><%=Html.ActionLink("Forums", "Index", "Forums", new { query = Model.Query, lang = Model.SelectedLanguage, fromTo = Model.FromTo, filters = Model.FilterId }, null) %></li> <li><%=Html.ActionLink("Twitter", "Index", "Twitter", new { query = Model.Query, lang = Model.SelectedLanguage, fromTo = Model.FromTo, filters = Model.FilterId }, null) %></li> </ul> <div id="Blog_Results"> <asp:ContentPlaceHolder ID="ResultPlaceHolder" runat="server"> </asp:ContentPlaceHolder> </div> If the content is loaded via ajax, I return a partial view with the content of the tab. If the content is loaded directly, I load a page that include the content in the ContentPlaceHolder. somewhat like this : <asp:Content ID="Content2" ContentPlaceHolderID="BlogPlaceHolder" runat="server"> <%=Html.Partial("Partial",Model) %> </asp:Content> //same goes for the other tabs. With this in place, if I access the url "/Forums" It loads the forum content in the Blog tab first, trigger the ajax load of the Blog tab and replace the content with the blog content. I tried putting a different placeholder for each tab, but that didn't fix everything either, since when loading "/Forums" it will sure load the forum tab, but the Blog tab will show up first. Furthermore, when using separate placeholders, If I load the "/Blogs" url, It will first load the content statically in the Blog contentplaceholder and then trigger an ajax call to load it a second time and replace it. If I just link the tab to the hashtag, then when loading the forum tabs, I won't get the blog content... How would you achieve the expected behaviour? I feel like I might have a deeper probelm in the organization of my views. Is putting the tabs in the masterpage the way to go? Maybe I should just hijax the links manually and not rely on jquery-ui tabs to do the work for me. I cannot load all tabs by default and display them using the hash tags, I need an ajax loading because it is a search process that can be long. So to sum up : /Forum should load the forum tab, and let the other tabs be loaded with an ajax call when clicking on it. /Twitter should load the twitter tab and let the other tabs.... the same goes for /Blogs and any tabs I would add later.

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  • Page inheritance in mixed asp.net Forms and MVC application

    - by Rising Star
    I'm working on a web application. One of my co-workers has written some asp.net forms pages. The page classes all inherit from BasePageClass, which of course inherits from the Page class. I wish to add some MVC controllers that I've been told need to use the same logic implemented in the BasePageClass. Ordinarily, I would want to inherit the functions in the BasePageClass in the controller classes, but this breaks the inheritance heirarchy. What is the best practice for solving this problem?

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  • Copy Merge fIelds From one word document to another in VB.net

    - by MetaDan
    Hi, I'm editing a vb.net app for a mate and part of the requirements are to copy merge fields from one word document to another. I can copy them across using document.content.text but they come out as text (should've figured this i guess). I think i've got them selected by: Dim tDocFields As Microsoft.Office.Interop.Word.Fields tDocFields = tDocument.Content.Fields I'm then activating the doc i want to copy into and i think i need to then copy into that doc using the related word app. vDocument.Activate() vWord.Selection. ??? Insert() ??? Any pointers would be greatly appreciated... Am i on the right lines even?

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  • ASP.NET - Update Dataset directly to DB

    - by karthik
    Hi, Description: I wanted to update dataset to database in Asp.NET. Instead of retrieving the entire table, I am retrieving only one record using the following statement :- select * from Products where ProductID=3 Now I wanted to update dataset directly in to DB by using following statements (DAP 4.1) db.UpdateDataSet(ds, ds.Tables[0].TableName, null, cmdupdate, null, UpdateBehavior.Standard); Questions Can I Retrieve only one row from DB while a lot of other records are there and update back using Adapter update? ( In other words, I am not selecting all records from table) I am using Data Application Block 4.1? It will work there right? If anyone can give example for update will be great ( with Procedures). Thanks Ka

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