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  • DataBind DataSource Result to ASP Labels

    - by Steven
    I have an AccessDataSource TestSummaryADS. I can easily view the results in a GridView or DropDownList by setting its DataSourceID property. How do I bind a value from the results TestSummaryADS to the text of a label? I'm just trying to populate labels on my page with results from the DB entry. C# or VB.NET answers okay.

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  • ASP.NET MVC - Find Absolute Path to the App_Data folder from Controller

    - by tyndall
    What is the correct way to find the absolute path to the App_Data folder from a Controller in an ASP.NET MVC project? I'd like to be able to temporarily work with an .xml file and I don't want to hardcode the path. This does not work: [HandleError] public class HomeController : Controller { public ActionResult Index() { string path = VirtualPathUtility.ToAbsolute("~/App_Data/somedata.xml"); //.... do whatever return View(); } } I think outside of the web context VirtualPathUtility.ToAbsolute() doesn't work. string path comes back as "C:\App_Data\somedata.xml" Where should I determine the path of the .xml file in an MVC app? global.asax and stick it an application-level variable?

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  • asp.net connection reset with long running process

    - by Ronnie Overby
    In an asp.net web form, I keep getting a connection reset error message. The page is doing a some long running processing (about 2-5 minutes). I have no problem when the web request comes from the same machine as the web server. But when the request originates across the network, I get a connection reset error about 1:30 or 2 minutes into waiting for a response. I have set the in web.config for this application and put the application it's own application pool. What else can I try?

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  • Enabling Session State in ASP.NET MVC

    - by Erwin
    I'd like to use session variables in my ASP.NET MVC application. I already added the <sessionState> tag in my web.config file like this <sessionState mode="InProc" cookieless="false" timeout="20"> </sessionState> I get a session ID in my url like this if I use cookieless="true" http://localhost:2967/%28S%28hcawmi55zoruuy453fbo3k55%29%29/RmdReqBankAccount But I still can't use session variables in my application. I set the variable like this in my login method: Session["username"] = userName; and I retrieve it like this string user_id = (string)Session["username"]; I get an empty string when trying to retrieve values.

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  • ASP .NET: SQL Server Money Type and .NET Currency Type

    - by Rudi Ramey
    MS SQL Server's Money Data Type seems to accept a well formatted currency value with no problem (example: $52,334.50) From my research MS SQL Sever just ignores the "$" and "," characters. ASP .NET has a parameter object that has a Type/DbType property and Currency is an available option to set as a value. However, when I set the parameter Type or DbType to currency it will not accept a value like $52,334.50. I receive an error "Input string was not in a correct format." when I try to Update/Insert. If I don't include the "$" or "," characters it seems to work fine. Also, if I don't specify the Type or DbType for the parameter it seems to work fine also. Is this just standard behavior that the parameter object with its Type set to currency will still reject "$" and "," characters in ASP .NET? Here's an example of the parameter declaration (in the .aspx page): <asp:Parameter Name="ImplementCost" DbType="Currency" />

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  • Can I call a com object from a referenced .net library in asp.net 3.5

    - by Alon Amir
    Hi, I'm using ASP.NET on C# and I have a referanced library in the same solution in VB which calls a COM object using CreateObject. When I run the site on my comp it works, when I run it on my IIS 6 it gives me a stackoverflow on the method call. Now I have a script wich runs the VB code on the IIS6 and it works just fine. It must be something with the ASP... How can I call Com objects within ASP..., Do I have to do something special? Pls help.

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  • Asyncronously receiving data in an ASP.NET MVC application

    - by Mitciv
    I'm looking for the best way to constantly check if data has been sent to our ASP.NET MVC application from a server. I would like to asynchronously check for data and update the view when data has been read. I'm currently using a TcpClient to make a connection, and making the connection in the inherited custom base controller. Currently though I have to refresh the page for the updating of the view to take place. Would there be a proper AJAX solution? or do I need to move the connection to the ActionMethod?

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  • CruiseControl failing view compilation with Asp.net MVC 2 RTM

    - by Robert Koritnik
    Tehnologies: - CruiseControlNet - Asp.net MVC 2 RTM - enabled view compilation The problem is UrlParameter.Optional setting. I can't seem to make it work when I use this setting inside a view. When I compile inside Visual Studio, everything works fine, but when CCNet uses MSBuild to compile it it fails with following error: errorCS0103: The name 'UrlParameter' does not exist in the current context pointing to the line inside my view where this parameter is set on: Html.RenderAction(...) that sets certain route parameter(s) to optional. I tried adding <%@ Assembly name="System.Web.Mvc" %> at the top of my view, but it didn't work either. It works of course when I disable view compilation, but that's not really an option. And I also don't want to set my optional parameters to string.Empty. Anyone has any hint on this?

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  • Keep an object for the time the connection is running in ASP.NET

    - by vtortola
    Hi, I'm developing a web service with ASP.NET, is not an .asmx or WCF, it's a custom one, so I'm working with the Http classes (context, request, response, etc..). Session is disabled. I'm working with my own handler and module. I'd like to keep a object alive and accessible for the time the connection is alive. I mean, a request enters, I assign a DbCommand to it and that connection will use that command as long is doing things, when that connection is ended, the object should be disposed. I've thought, that I can add it to my IPrincipal implementation, then when the connection is authenticated in the module and the user retrieved, I can add that DbCommand to the IPrincipal, so I can retrieve it from wherever I want in the code, and after in the module EndRequest event, I can dispose it, but I don't know if there is a better approach to do this. What do you think? cheers

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  • When are ASP.NET Expression Builders most useful?

    - by SkippyFire
    I saw an example of using Expression Builders, and creating your own Custom Expression Builder Classes here: http://aspnet.4guysfromrolla.com/articles/022509-1.aspx However, I fail to see the value in using this approach. It doesn't seem much easier than programmatically setting values in your code behind. As far as I can tell, the only thing you can do with them is set properties. Maybe they would be useful for setting defaults on certain controls? Can anyone shed light on where this ASP.NET feature becomes powerful?

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  • How to make a DropDownList control display some items in bold ASP.Net

    - by james lewis
    I'm working with a custom DropDownList control in ASP.Net and there's been a request to display certain items in the list with a bold typeface (NOTE - the control inherits from CompositeDataBoundControl so it can be data bound... not DropDownListBox). The control is bound to a table and there's a column in the table named IsUsed - if this is set to true, the corresponding item in the list should be rendered bold. (It should be noted here that this will only ever be viewed in FireFox.) My experience is all in the middle \ backend tiers so the presentation layer is very new to me - can someone point me in the right direction? My initial thought was that somewhere in the custom control I would have access to all the rows that are returned from the data source which I could cycle through etc but I'm not sure if that's possible... There's also RenderContents which I can override... looks interesting! Any help appreciated - cheers. James

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  • .Net System.Net.HttpWebRequest & Authentication Cookies

    - by James
    I would like to know if the following is possible: As part of the PageLoad of an ASP.Net page request: Use HttpWebRequest (POST) to make a request to a forms authentication webpage of a different web application Examine the response to see if the authentication succeeded (identifiable if an authentication cookie has been set) If it fails, then finish the ASP.Net page request, which will display a message saying "couldn't auto-login" or some such thing If success, then instead of completing the ASP.Net page lifecycle, use "Response.Write" to send the response from the HttpWebRequest back to the browser (thus essentially displaying the webpage from the HttpWebRequest) If the above is possible, then, is there also a way to transfer the authentication cookie from the HttpWebResponse to the requesting browser? My gut feeling is probably not - but if this is the case, then how do proxy servers handle such things? Is that not essentially what they are doing? Thanks for any help

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  • Problems with Optimistic Concurrency through an ObjectDataSource and a GridView

    - by Bloodsplatter
    Hi I'm having a problem in an ASP .NET 2.0 Application. I have a GridView displaying data from an ObjectDataSource (connected to a BLL class which connects to a TabledAdapter (Typed Dataset using optimistic concurrency). The select (displaying the data) works just fine, however, when I update a row the GridView does pass the old values to the ObjectDataSource. <DataObjectMethod(DataObjectMethodType.Update, True)> _ Public Function UpdateOC(ByVal original_id As Integer, ByVal original_fotonummer As Integer, ByVal original_inhoud As String, ByVal original_postdatum As Date?, ByVal fotonummer As Integer, ByVal inhoud As String, ByVal postdatum As Date?) As Boolean Dim tweets As TwitpicOC.TweetsDataTable = adapterOC.GetTweetById(original_id) If tweets.Rows.Count = 0 Then Return False Dim row As TwitpicOC.TweetsRow = tweets(0) SmijtHetErIn(row, original_fotonummer, original_inhoud, original_postdatum) row.AcceptChanges() SmijtHetErIn(row, fotonummer, inhoud, postdatum) Return adapterOC.Update(row) = 1 End Function Public Sub SmijtHetErIn(ByVal row As TwitpicOC.TweetsRow, ByVal original_fotonummer As Integer, ByVal original_inhoud As String, ByVal original_postdatum As Date?) With row .fotonummer = original_fotonummer If String.IsNullOrEmpty(original_inhoud) Then .SetinhoudNull() Else .inhoud = original_inhoud If Not original_postdatum.HasValue Then .SetpostdatumNull() Else .postdatum = original_postdatum.Value End With End Sub And this is the part of the page: <div id='Overzicht' class='post'> <div class='title'> <h2> <a href='javascript:;'>Tweetsoverzicht</a></h2> <p> Overzicht</p> </div> <div class='entry'> <p> <asp:ObjectDataSource ID="odsGebruiker" runat="server" OldValuesParameterFormatString="" SelectMethod="GetAll" TypeName="TakeHomeWeb.BLL.GebruikersBLL"></asp:ObjectDataSource> <asp:ObjectDataSource ID="odsFoto" runat="server" SelectMethod="GetFotosByGebruiker" TypeName="TakeHomeWeb.BLL.FotosBLL"> <SelectParameters> <asp:ControlParameter ControlID="ddlGebruiker" DefaultValue="0" Name="userid" PropertyName="SelectedValue" Type="Int32" /> </SelectParameters> </asp:ObjectDataSource> <form id="form1" runat="server"> <asp:Label runat="server" AssociatedControlID="ddlGebruiker">Gebruiker:&nbsp;</asp:Label> <asp:DropDownList ID="ddlGebruiker" runat="server" AutoPostBack="True" DataSourceID="odsGebruiker" DataTextField="naam" DataValueField="userid" AppendDataBoundItems="True"> <asp:ListItem Text="Kies een gebruiker" Value="-1" /> </asp:DropDownList> <br /> <asp:Label runat="server" AssociatedControlID="ddlFoto">Foto:&nbsp;</asp:Label> <asp:DropDownList ID="ddlFoto" runat="server" AutoPostBack="True" DataSourceID="odsFoto" DataTextField="url" DataValueField="id" AppendDataBoundItems="True"> <asp:ListItem Value="-1">Kies een foto...</asp:ListItem> </asp:DropDownList> <br /> <div style="float: left"> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="id" DataSourceID="odsTweets"> <Columns> <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" /> <asp:BoundField DataField="id" HeaderText="id" InsertVisible="False" ReadOnly="True" SortExpression="id" /> <asp:BoundField DataField="fotonummer" HeaderText="fotonummer" SortExpression="fotonummer" /> <asp:BoundField DataField="inhoud" HeaderText="inhoud" SortExpression="inhoud" /> <asp:BoundField DataField="postdatum" HeaderText="postdatum" SortExpression="postdatum" /> </Columns> </asp:GridView> <asp:ObjectDataSource ID="odsTweets" runat="server" ConflictDetection="CompareAllValues" DeleteMethod="DeleteOC" OldValuesParameterFormatString="original_{0}" SelectMethod="GetTweetsByFotoId" TypeName="TakeHomeWeb.BLL.TweetsOCBLL" UpdateMethod="UpdateOC"> <DeleteParameters> <asp:Parameter Name="original_id" Type="Int32" /> <asp:Parameter Name="original_fotonummer" Type="Int32" /> <asp:Parameter Name="original_inhoud" Type="String" /> <asp:Parameter Name="original_postdatum" Type="DateTime" /> </DeleteParameters> <UpdateParameters> <asp:Parameter Name="original_id" Type="Int32" /> <asp:Parameter Name="original_fotonummer" Type="Int32" /> <asp:Parameter Name="original_inhoud" Type="String" /> <asp:Parameter Name="original_postdatum" Type="DateTime" /> <asp:Parameter Name="fotonummer" Type="Int32" /> <asp:Parameter Name="inhoud" Type="String" /> <asp:Parameter Name="postdatum" Type="DateTime" /> </UpdateParameters> <SelectParameters> <asp:ControlParameter ControlID="ddlFoto" Name="foto" PropertyName="SelectedValue" Type="Int32" /> </SelectParameters> </asp:ObjectDataSource> </div> </form> </p> </div> </div> I've got a feeling there's huge fail involved or something, but I've been staring at it for hours now and I just can't find it.

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  • ASP.NET MVC F# controller action ignoring parameter

    - by Matt H
    Hi. I have a C# ASP.NET MVC project but my controllers are written in F#. For some reason, the following code doesn't work properly. namespace MvcApplication8.Controllers open System.Web.Mvc [<HandleError>] type ImageController() = inherit Controller() member x.Index (i : int) : ActionResult = x.Response.Write i x.View() :> ActionResult The parameter of the action is seemingly ignored. http://localhost:56631/Image/Index/1 = The parameters dictionary contains a null entry for parameter 'i' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult Index(Int32)' in 'MvcApplication8.Controllers.ImageController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter. Parameter name: parameters The controller otherwise works fine. I know that plenty of people have written F# mvc code, so, any ideas where I'm going wrong?

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  • Sending binary data from ASP to .net component

    - by john
    The ASP application allows uploading of image files (jpg, gif, tif). These files are sent to a .net component registered in the GAC of the server. In the component file is encoded using System.Text.Unicode to byte[] array. This encoding is done with some data loss. The byte array has values 253 and 255 in consequetive elements. What could be the problem ? I'm sending the binary data as a string. Please help me... Thanks in advance, John

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  • ASP.NET Deployment under IIS7/VS2010 as Web Application

    - by adchased
    I transformed my VS2008 ASP.NET Website to a "Web Application" today using VS2010. So now it's possible to build a Deployment Package. A Zip Package which can be direclty imported into IIS7. Usually I added a website in IIS7 called mydomain.com and put everything in its root dir. That worked. However, since I converted to an Web Application, this Application is added beneath my "Website container". Now I'm confused, this is how it actually looks now when I try to open the website: Browsing to mydomain.com says 404 ERROR. Browsing to mydomain.com/mydomain.com opens the actual website, but in a subfolder instead of the root directory. (The Application is named after the Domain) How to make this application the root of the website now? I want the application to run under the mydomain.com ROOT and not some subfolder. Thanks a lot!

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  • ASP.NET MVC: Making routes/URLs IIS6 and IIS7-friendly

    - by Seb Nilsson
    I have an ASP.NET MVC-application which I want deployable on both IIS6 and IIS7 and as we all know, IIS6 needs the ".mvc"-naming in the URL. Will this code work to make sure it works on all IIS-versions? Without having to make special adjustments in code, global.asax or config-files for the different IIS-versions. bool usingIntegratedPipeline = HttpRuntime.UsingIntegratedPipeline; routes.MapRoute( "Default", usingIntegratedPipeline ? "{controller}/{action}/{id}" : "{controller}.mvc/{action}/{id}", new { controller = "Home", action = "Index", id = "" } ); Update: Forgot to mention. No ISAPI. Hosted website, no control over the IIS-server.

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  • out of memory issue in asp .net mvc application

    - by SARAVAN
    Hi, I have got one wierd issue. I am working on an asp .net mvc application. I have a refresh button that build some data and view models in the controller code, and returns the partial view back. Well this refresh does work good the very first time. But when i try to click my refresh button again, a javascript alert comes saying "out of memory at line 56" I checked my task manager to see on whats happening. I ahve a 3GB memory and when this error alert shows up the used memory is 1.41 GB. Its normal usage as it looks like. But I dont know why it shows the javascript error alert. This problem happens in my local workstation where I am doing developement of this application. Any thoughts or comments to trouble shoot or solve this issue is appreciated. I ma using IE7.

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  • Adding Images to an ASP .Net Chart Control

    - by wali
    Hello all! I'm not sure if I titled the question correctly so it would be better if I explained what I'm trying to do. I am using the ASP .Net Chart Control to create a line chart showing numbers of trouble calls based on date. What I would like to do is implement a way of annotating the chart with data whereas if there was a spike in trouble calls a line, or asterisk, etc would direct the viewer to "read notes below for an explanation for why the numbers spiked here". From the samples for the chart control there is a way you can add a bitmap to the chart, however I don't see how that will be effective here because the explanations will come dynamically from a database. If anyone's done something like this or has some guidance I'd appreciate it. Thanks!

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  • asp.net Dynamic Data Site with custom own MetaData

    - by loviji
    Hello, I'm searching info about configuring own MetaData in asp.NET Dynamic Site. For example. I have a table in MS Sql Server with structure shown below: CREATE TABLE [dbo].[someTable]( [id] [int] NOT NULL, [pname] [nvarchar](20) NULL, [FullName] [nvarchar](50) NULL, [age] [int] NULL) and I there are 2 Ms Sql tables (I've created), sysTables and sysColumns. sysTables: ID sysTableName TableName TableDescription 1 | someTable |Persons |All Data about Persons in system sysColumns: ID TableName sysColumnName ColumnName ColumnDesc ColumnType MUnit 1 |someTable | sometable_pname| Name | Persona Name(ex. John)| nvarchar(20) | null 2 |someTable | sometable_Fullname| Full Name | Persona Name(ex. John Black)| nvarchar(50) | null 3 |someTable | sometable_age| age | Person age| int | null I want that, in Details/Edit/Insert/List/ListDetails pages use as MetaData sysColumns and sysTableData. Because, for ex. in DetailsPage fullName, it is not beatiful as Full Name . someIdea, is it possible? thanks

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  • asp.net Dynamic Data Site own MetaData

    - by loviji
    Hello, I'm searching info about configuring own MetaData in asp.NET Dynamic Site. For example. I have a table in MS Sql Server with structure shown below: CREATE TABLE [dbo].[someTable]( [id] [int] NOT NULL, [pname] [nvarchar](20) NULL, [FullName] [nvarchar](50) NULL, [age] [int] NULL) and I have Ms Sql table, sysTables and sysColumns. sysTables: ID sysTableName TableName TableDescription 1 | someTable |Persons |All Data about Persons in system sysColumns ID TableName sysColumnName ColumnName ColumnDesc ColumnType MUnit 1 |someTable | sometable_pname| Name | Persona Name(ex. John)| nvarchar(20) | null 2 |someTable | sometable_Fullname| Full Name | Persona Name(ex. John Black)| nvarchar(50) | null 3 |someTable | sometable_age| age | Person age| int | null

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  • "Dynamic" CSS styling in asp .net?

    - by DeeMac
    I have the following inside a content place holder in my asp .net pages: <style type="text/css"> #sortable1 { list-style-type: none; margin: 0; padding: 0; zoom: 1; } #sortable1 li { margin: 3px; padding: 3px; width: 90%; border: 1px solid #000000; background: #000000; color: #FFFFFF; } #sortable1 li.highlightWorkflow { background: #FFFF00; color: #000000; } </style> I would ideally like to swap the #00000's for values held on the page, maybe in hidden fields. Is this possible?

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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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  • 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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