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  • dotNet Templated, Repeating, Databound ServerControl: Counting the templates OnDataBind?

    - by Campbeln
    I have a server control that wraps an underlying class which manages a number of indexes to track where it is in a dataset (ie: RenderedRecordCount, ErroredRecordCount, NewRecordCount, etc.). I've got the server control rendering great, but OnDataBinding I'm having an issue as to seems to happen after CreateChildControls and before Render (both of which properly manage the iteration of the underlying indexes). While I'm somewhat familiar with the ASP.NET page lifecycle, this one seems to be beyond me at the moment. So... how do I hook into the iterative process OnDataBinding uses so I can manage the underlying indexes? Will I have to iterate over the ITemplates myself, managing the indexes as I go or is there an easier solution? Also... I implemented the iteration of the underlying indexes during CreateChildControls originally in the belief that was the proper place to hook in for events like OnDataBinding (thining it was done as the controls were being .Add'd). Now it seems that this may actually be unnecessary. So I guess the secondary question is: What happens during CreateChildControls? Are the unadulterated (read: with <%-tags in place) controls added to the .Controls collection without any other processing?

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  • .NET 3.5 SP1 Installer hang at around 80%

    - by kuoson
    Hi, I was trying to install .NET 3.5 SP1 to one of our production machines with Windows 2003 SP2. However, the installer just hang at around 80% with message "Setup is loading installation components, This may take a minute or two". In fact it's been like that for 30mins already and using 0% CPU. I disabled the anti-virus software and then applied the windows installer 4.5 update but no luck, the installer still hangs. Anyone had this problem before?

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  • "Tweet this" extension for BlogEngine.net [closed]

    - by unknown (yahoo)
    I have a blog that uses BlogEngine.net I am looking for an extension that automatically adds a "Tweet this" link for every post. When a user clicks on the "Tweet this" link, it would take them to their Twitter account with the "What are you doing" textarea prepopulated with the link of my blog post. Are there any out there that let me do this?

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  • Is there a .NET 4.0 offline install?

    - by TrueWill
    I'm trying to install .NET 4.0 on some VMs using dotNetFx40_Full_setup.exe and am getting error 0x800C0005. The issue likely involves the firewall/proxy/security configuration. Rather than dealing with that, does Microsoft have an offline install available yet? I've searched but not found one.

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  • Has anyone seen .NET 4 RC MVC2 RTM web apps hogging CPU on Win2008 R2?

    - by kim3er
    We have a number of .NET4 RC ASP.NET MVC2 RTM web applications running on a Windows 2008 R2 server. All behave very well except one that we regularly find running at 99% CPU. It is the most complex of the applications, but is not doing anything extraordinary. It relies on ASP.NET Cache quite heavily, but we have limited the amount of memory it is allowed to use. Does this sound like an issue with the environment? Rich

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  • How can Hosting Providers allow .NET Full Trust?

    - by Alex
    I wondered how certain .NET hosting providers can safely grant full trust to their customers? Doesn't this open up everybody who is hosting with that company to potential safety issues? Or is there a way to safely restrict each customer, despite giving full trust, to "their" space without giving them the abiliy to bring down the system or spy on other customers?

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  • How do I install .NET framework 1.1 for Windows 7

    - by Extrakun
    The problem: Lord of the Rings Online required .NET framework 1.1 to be installed. It will not recongize other higher versions. Downloading the standalone installer yields exceptions at the end of the installation process. The error message is "Application has generated an exception that could not be handled" What could I do about this?

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  • Using C# FindControl to find a user-control in the master page

    - by Jisaak
    So all I want to do is simply find a user control I load based on a drop down selection. I have the user control added but now I'm trying to find the control so I can access a couple properties off of it and I can't find the control for the life of me. I'm actually doing all of this in the master page and there is no code in the default.aspx page itself. Any help would be appreciated. MasterPage.aspx <body> <form id="form1" runat="server"> <div> <asp:ScriptManager runat="server"> </asp:ScriptManager> </div> <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional" ChildrenAsTriggers="false" OnLoad="UpdatePanel2_Load"> <ContentTemplate> <div class="toolbar"> <div class="section"> <asp:DropDownList ID="ddlDesiredPage" runat="server" AutoPostBack="True" EnableViewState="True" OnSelectedIndexChanged="goToSelectedPage"> </asp:DropDownList> &nbsp; <asp:DropDownList ID="ddlDesiredPageSP" runat="server" AutoPostBack="True" EnableViewState="True" OnSelectedIndexChanged="goToSelectedPage"> </asp:DropDownList> <br /> <span class="toolbarText">Select a Page to Edit</span> </div> <div class="options"> <div class="toolbarButton"> <asp:LinkButton ID="lnkSave" CssClass="modal" runat="server" OnClick="lnkSave_Click"><span class="icon" id="saveIcon" title="Save"></span>Save</asp:LinkButton> </div> </div> </div> </ContentTemplate> <Triggers> </Triggers> </asp:UpdatePanel> <div id="contentContainer"> <asp:UpdatePanel ID="UpdatePanel1" runat="server" OnLoad="UpdatePanel1_Load" UpdateMode="Conditional" ChildrenAsTriggers="False"> <ContentTemplate> <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server"> </asp:ContentPlaceHolder> </ContentTemplate> <Triggers> <asp:AsyncPostBackTrigger ControlID="lnkHome" EventName="Click" /> <asp:AsyncPostBackTrigger ControlID="rdoTemplate" EventName="SelectedIndexChanged" /> </Triggers> </asp:UpdatePanel> </div> MasterPage.cs protected void goToSelectedPage(object sender, System.EventArgs e) { temp1 ct = this.Page.Master.LoadControl("temp1.ascx") as temp1; ct.ID = "TestMe"; this.UpdatePanel1.ContentTemplateContainer.Controls.Add(ct); } //This is where I CANNOT SEEM TO FIND THE CONTROL //////////////////////////////////////// protected void lnkSave_Click(object sender, System.EventArgs e) { UpdatePanel teest = this.FindControl("UpdatePanel1") as UpdatePanel; Control test2 = teest.ContentTemplateContainer.FindControl("ctl09") as Control; temp1 test3 = test2.FindControl("TestMe") as temp1; string maybe = test3.Col1TopTitle; } Here I don't understand what it's telling me. for "par" I get "ctl09" and I have no idea how I am supposed to find this control. temp1.ascx.cs protected void Page_Load(object sender, EventArgs e) { string ppp = this.ID; string par = this.Parent.ID; }

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  • jQuery UI Dialog problem if modal is set to TRUE

    - by VansFannel
    Hello! I'm developing an ASP.NET WebForm application with Visual Studio 2008 SP1 and C#. I have the following ASPX page: <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title></title> <script src="js/jquery-1.3.2.min.js" type="text/javascript"></script> <script src="js/jquery-ui-1.7.2.custom.min.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function() { $("#dialog").dialog({ autoOpen: false, modal: true, buttons: { 'Ok': function() { __doPostBack('TreeNew', ''); $(this).dialog('close'); }, Cancel: function() { $(this).dialog('close'); } }, close: function() { }, open: function(type, data) { $(this).parent().appendTo("form"); } }); }); function ShowDialog() { $('#dialog').dialog('open'); } </script> </head> <body> <form id="form1" runat="server"> <div> <asp:Button ID="TreeNew" runat="server" Text="Nuevo" OnClientClick="ShowDialog();return false;" onclick="TreeNew_Click"/> <asp:Label ID="Message" runat="server"></asp:Label> <div id="dialog_target"></div> <div id="dialog" title="Select content type"> <p id="validateTips">All form fields are required.</p> <asp:RadioButtonList ID="ContentTypeList" runat="server"> <asp:ListItem Value="1">Text</asp:ListItem> <asp:ListItem Value="2">Image</asp:ListItem> <asp:ListItem Value="3">Audio</asp:ListItem> <asp:ListItem Value="4">Video</asp:ListItem> </asp:RadioButtonList> </div> </div> <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> </form> </body> </html> When modal is set to true the page stars to grow (I know that because both scroll bars are getting smaller, vertical bar faster than horizontal bar). Looking inside page source code I see that the following div is outside forms tag: <div class="ui-widget-overlay" style="z-index: 1001; width: 1280px; height: 65089px;" jQuery1267345392312="20"/> If I set modal to false, the error doesn't happen. I think the problem is that the div working as modal is outside the form. What do you think?

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  • C# DotNetNuke Module: GridVIew AutoGenerateEditButton is skipping over a field on update.

    - by AlexMax
    I have a GridView with an automatically generated Edit button. I wanted some customized behavior for the Image column, since I wanted it to be a drop down list of items as opposed to a simple input field, and I also wanted some nice "fallback" in case the value in the database didn't actually exist in the drop down list. With the code I have done so far, I have gotten the behavior I desire out of the Image field. The problem is that when i attempt to update that particular field, I get an error spit out back at me that it can't find a method to update the form with: ObjectDataSource 'objDataSource' could not find a non-generic method 'UpdateDiscovery' that has parameters: ModuleId, Visible, Position, Title, Link, ItemId. That's not good, because I DO have an UpdateDiscovery method. However, between Title and Link, there is supposed to be another param that belongs to the Image field, and it's not being passed. I realize that it's probably the update button doesn't know to pass that field, since it's a TemplateField and not a BoundField, and when I use Bind('image') as the selected value for the drop down list, it seems to update fine...but only as long as the field in the database when I try and edit the row actually exists, otherwise it bombs out and gives me an error about the value not existing in the drop down list. I have the following GridView defined: <asp:GridView ID="grdDiscoverys" runat="server" DataSourceID="objDataSource" EnableModelValidation="True" AutoGenerateColumns="false" AutoGenerateEditButton="true" AutoGenerateDeleteButton="true" DataKeyNames="ItemId" OnRowDataBound="cmdDiscovery_RowDataBound"> <Columns> <asp:BoundField DataField="ItemId" HeaderText="#" ReadOnly="true" /> <asp:BoundField DataField="Visible" HeaderText="Visible" /> <asp:BoundField DataField="Position" HeaderText="Position" /> <asp:TemplateField HeaderText="Image"> <ItemTemplate> <asp:Label ID="lblViewImage" runat="server" /> </ItemTemplate> <EditItemTemplate> <asp:DropDownList ID="ddlEditImage" runat="server" title="Image" DataValueField="Key" DataTextField="Value" /> </EditItemTemplate> </asp:TemplateField> <asp:BoundField DataField="Title" HeaderText="Title" /> <asp:BoundField DataField="Link" HeaderText="Link" /> </Columns> </asp:GridView> The datasource that this is tied to: <asp:ObjectDataSource ID="objDataSource" runat="server" TypeName="MyCompany.Modules.Discovery.DiscoveryController" SelectMethod="GetDiscoverys" UpdateMethod="UpdateDiscovery" DeleteMethod="DeleteDiscovery"> <SelectParameters> <asp:QueryStringParameter Name="ModuleId" QueryStringField="mid" /> </SelectParameters> <UpdateParameters> <asp:QueryStringParameter Name="ModuleId" QueryStringField="mid" /> </UpdateParameters> <DeleteParameters> <asp:QueryStringParameter Name="ModuleId" QueryStringField="mid" /> </DeleteParameters> </asp:ObjectDataSource> The cmdDiscovery_RowDataBound method that gets called when the row's data is bound is the following C# code: protected void cmdDiscovery_RowDataBound(object sender, GridViewRowEventArgs e) { try { if (e.Row.RowIndex >= 0) { int intImage = ((DiscoveryInfo)e.Row.DataItem).Image; if (grdDiscoverys.EditIndex == -1) { // View Label lblViewImage = ((Label)e.Row.FindControl("lblViewImage")); if (GetFileDictionary().ContainsKey(intImage)) { lblViewImage.Text = GetFileDictionary()[intImage]; } else { lblViewImage.Text = "Missing Image"; } } else { // Edit DropDownList ddlEditImage = ((DropDownList)e.Row.FindControl("ddlEditImage")); ddlEditImage.DataSource = GetFileDictionary(); ddlEditImage.DataBind(); if (GetFileDictionary().ContainsKey(intImage)) { ddlEditImage.SelectedValue = intImage.ToString(); } } } } catch (Exception exc) { //Module failed to load Exceptions.ProcessModuleLoadException(this, exc); } } How do I make sure that the Image value in the drop down list is passed to the update function?

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  • Advanced donut caching: using dynamically loaded controls

    - by DigiMortal
    Yesterday I solved one caching problem with local community portal. I enabled output cache on SharePoint Server 2007 to make site faster. Although caching works fine I needed to do some additional work because there are some controls that show different content to different users. In this example I will show you how to use “donut caching” with user controls – powerful way to drive some content around cache. About donut caching Donut caching means that although you are caching your content you have some holes in it so you can still affect the output that goes to user. By example you can cache front page on your site and still show welcome message that contains correct user name. To get better idea about donut caching I suggest you to read ScottGu posting Tip/Trick: Implement "Donut Caching" with the ASP.NET 2.0 Output Cache Substitution Feature. Basically donut caching uses ASP.NET substitution control. In output this control is replaced by string you return from static method bound to substitution control. Again, take a look at ScottGu blog posting I referred above. Problem If you look at Scott’s example it is pretty plain and easy by its output. All it does is it writes out current user name as string. Here are examples of my login area for anonymous and authenticated users:    It is clear that outputting mark-up for these views as string is pretty lame to implement in code at string level. Every little change in design will end up with new version of controls library because some parts of design “live” there. Solution: using user controls I worked out easy solution to my problem. I used cache substitution and user controls together. I have three user controls: LogInControl – this is the proxy control that checks which “real” control to load. AnonymousLogInControl – template and logic for anonymous users login area. AuthenticatedLogInControl – template and logic for authenticated users login area. This is the control we render for each user separately because it contains user name and user profile fill percent. Anonymous control is not very interesting because it is only about keeping mark-up in separate file. Interesting parts are LogInControl and AuthenticatedLogInControl. Creating proxy control The first thing was to create control that has substitution area where “real” control is loaded. This proxy control should also be available to decide which control to load. The definition of control is very primitive. <%@ Control EnableViewState="false" Inherits="MyPortal.Profiles.LogInControl" %> <asp:Substitution runat="server" MethodName="ShowLogInBox" /> But code is a little bit tricky. Based on current user instance we decide which login control to load. Then we create page instance and load our control through it. When control is loaded we will call DataBind() method. In this method we evaluate all fields in loaded control (it was best choice as Load and other events will not be fired). Take a look at the code. public static string ShowLogInBox(HttpContext context) {     var user = SPContext.Current.Web.CurrentUser;     string controlName;       if (user != null)         controlName = "AuthenticatedLogInControl.ascx";     else         controlName = "AnonymousLogInControl.ascx";       var path = "~/_controltemplates/" + controlName;     var output = new StringBuilder(10000);       using(var page = new Page())     using(var ctl = page.LoadControl(path))     using(var writer = new StringWriter(output))     using(var htmlWriter = new HtmlTextWriter(writer))     {         ctl.DataBind();         ctl.RenderControl(htmlWriter);     }     return output.ToString(); } When control is bound to data we ask to render it its contents to StringBuilder. Now we have the output of control as string and we can return it from our method. Of course, notice how correct I am with resources disposing. :) The method that returns contents for substitution control is static method that has no connection with control instance because hen page is read from cache there are no instances of controls available. Conclusion As you saw it was not very hard to use donut caching with user controls. Instead of writing mark-up of controls to static method that is bound to substitution control we can still use our user controls.

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  • CMS for .Net web applications

    - by GigaPr
    Hi, i am working on a web application that now requires a CMS. Could you suggest me a product that grant integration with my existing application. The latter is implemented using .Net framework 3.5 Linq to sql and SQL Server 2008 I may consider even not open source product (affordable price) Thanks

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  • How to get .NET HttpContext for isolated code block

    - by Matt Thrower
    Hi, In .NET is it possible to get the HttpContext of the current page from within an external class? So, for example in my page test1.aspx codebehind I've got: Dim blah As New FeedWriter() blah.Run() But inside FeedWriter.vb, can I get the HttpContext of test1.aspx? Or would I have to pass it in to Run()? (I'm unwilling to do the latter because FeedWriter implements an interface which will need to be re-written if it's to take arguments) Cheers, Matt

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  • NoSQL DB for .Net document-based database (ECM)

    - by Dane
    I'm halfway through coding a basic multi-tenant SaaS ECM solution. Each client has it's own instance of the database / datastore, but the .Net app is single instance. The documents are pretty much read only (i.e. an image archive of tiffs or PDFs) I've used MSSQL so far, but then started thinking this might be viable in a NoSQL DB (e.g. MongoDB, CouchDB). The basic premise is that it stores documents, each with their own particular indexes. Each tenant can have multiple document types. e.g. One tenant might have an invoice type, which has Customer ID, Invoice Number and Invoice Date. Another tenant might have an application form, which has Member Number, Application Number, Member Name, and Application Date. So far I've used the old method which Sharepoint (used?) to use, and created a document table which has int_field_1, int_field_2, date_field_1, date_field_2, etc. Then, I've got a "mapping" table which stores the customer specific index name, and the database field that will map to. I've avoided the key-value pair model in the DB due to volume of documents. This way, we can support multiple document types in the one table, and get reasonably high performance out of it, and allow for custom document type searches (i.e. user selects a document type, then they're presented with a list of search fields). However, a NoSQL DB might make this a lot simpler, as I don't need to worry about denormalizing the document. However, I've just got concerns about the rest of the data around a document. We store an "action history" against the document. This tracks views, whether someone emails the document from within the system, and other "future" functionality (e.g. faxing). We have control over the document load process, so we can manipulate the data however it needs to be to get it in the document store (e.g. assign unique IDs). Users will not be adding in their own documents, so we shouldn't need to worry about ACID compliance, as the documents are relatively static. So, my questions I guess : Is a NoSQL DB a good fit Is MongoDB the best for Asp.Net (I saw Raven and Velocity, but they're still kinda beta) Can I store a key for each document, and then store the action history in a MSSQL DB with this key? I don't need to do joins, it would be if a person clicks "View History" against a document. How would performance compare between the two (NoSQL DB vs denormalized "document" table) Volumes would be up to 200,000 new documents per month for a single tenant. My current scaling plan with the SQL DB involves moving the SQL DB into a cluster when certain thresholds are reached, and then reviewing partitioning and indexing structures.

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  • Why doesn't VB.NET 9 have Automatic Properties like C# 3??

    - by Chris Pietschmann
    Would having a nice little feature that makes it quicker to write code like Automatic Properties fit very nicely with the mantra of VB.NET? Something like this would work perfect: Public Property FirstName() As String Get Set End Property UPDATE: VB.NET 10 (coming with Visual Studio 2010 and .NET 4.0) will have Automatic Properties. Here's a link that shows a little info about the feature: http://geekswithblogs.net/DarrenFieldhouse/archive/2008/12/01/new-features-in-vb.net-10-.net-4.0.aspx In VB.NET 10 Automatic Properties will be defines like this: Public Property CustomerID As Integer

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  • .NET OpenSource or cheap CRM

    - by Dkong
    Hi, I'm looking for a decent Open Source or cheap .NET CRM. Does anybody know of any good ones (aside from whatever there is on the front page of Google which I've checked and wasn't that impressed with)

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  • Migrate Vb to Vb.net

    - by vigna hari karthik
    Hai Friends I having the project in Vb i want to migrate that project in the vb.net.any tool available pls inform me.i have tried a lot.i have not installed the visual basic.with the help of remote server i am running that project.

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  • Under what circumstances would a LINQ-to-SQL Entity "lose" a changed field?

    - by John Rudy
    I'm going nuts over what should be a very simple situation. In an ASP.NET MVC 2 app (not that I think this matters), I have an edit action which takes a very small entity and makes a few changes. The key portion (outside of error handling/security) looks like this: Todo t = Repository.GetTodoByID(todoID); UpdateModel(t); Repository.Save(); Todo is the very simple, small entity with the following fields: ID (primary key), FolderID (foreign key), PercentComplete, TodoText, IsDeleted and SaleEffortID (foreign key). Each of these obviously corresponds to a field in the database. When UpdateModel(t) is called, t does get correctly updated for all fields which have changed. When Repository.Save() is called, by the time the SQL is written out, FolderID reverts back to its original value. The complete code to Repository.Save(): public void Save() { myDataContext.SubmitChanges(); } myDataContext is an instance of the DataContext class created by the LINQ-to-SQL designer. Nothing custom has been done to this aside from adding some common interfaces to some of the entities. I've validated that the FolderID is getting lost before the call to Repository.Save() by logging out the generated SQL: UPDATE [Todo].[TD_TODO] SET [TD_PercentComplete] = @p4, [TD_TodoText] = @p5, [TD_IsDeleted] = @p6 WHERE ([TD_ID] = @p0) AND ([TD_TDF_ID] = @p1) AND /* Folder ID */ ([TD_PercentComplete] = @p2) AND ([TD_TodoText] = @p3) AND (NOT ([TD_IsDeleted] = 1)) AND ([TD_SE_ID] IS NULL) /* SaleEffort ID */ -- @p0: Input BigInt (Size = -1; Prec = 0; Scale = 0) [5] -- @p1: Input BigInt (Size = -1; Prec = 0; Scale = 0) [1] /* this SHOULD be 4 and in the update list */ -- @p2: Input TinyInt (Size = -1; Prec = 0; Scale = 0) [90] -- @p3: Input NVarChar (Size = 4000; Prec = 0; Scale = 0) [changing text] -- @p4: Input TinyInt (Size = -1; Prec = 0; Scale = 0) [0] -- @p5: Input NVarChar (Size = 4000; Prec = 0; Scale = 0) [changing text foo] -- @p6: Input Bit (Size = -1; Prec = 0; Scale = 0) [True] -- Context: SqlProvider(Sql2005) Model: AttributedMetaModel Build: 4.0.30319.1 So somewhere between UpdateModel(t) (where I've validated in the debugger that FolderID updated) and the output of this SQL, the FolderID reverts. The other fields all save. (Well, OK, I haven't validated SaleEffortID yet, because that subsystem isn't really ready yet, but everything else saves.) I've exhausted my own means of research on this: Does anyone know of conditions which would cause a partial entity reset (EG, something to do with long foreign keys?), and/or how to work around this?

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  • How to get LastActivityDate when using Active Directory Setup in a .net application

    - by user320587
    Hi, I have a requirement to show a list of all users along with the Last Activity Date. The application is .Net based. I found the MemberShip class provides the Last Activity date. However, this does not work when the MemberShip provider is ActiveDirectory Link to MSDN page because the ActiveDirectoryMemberShipUser does not implement the LastActivityDate property. Is there any workaround or other way, I can get the LastActivityDate of the user in the application. Thanks for any info

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  • Deploy .net MVC 2 appication on IIS6

    - by munish
    I want to deploy my .net MVC 2 appication on IIS6.0. Will it require to change route path in global.asax file. In my application i have used html link, ajax request and Html.ActionLink. The code lines in the Global.asax file are: routes.MapRoute( "LogOn", "{controller}/{action}/{id}", new { controller = "Account", action = "Index", id = UrlParameter.Optional } ); Please suggest me. Thanks and Regards Munish

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