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  • .Net - interop assemblies taking 15 seconds to load when being referenced in a function

    - by Jon
    This is a C# console application. I have a function that does something like this: static void foo() { Application powerpointApp; Presentation presentation = null; powerpointApp = new Microsoft.Office.Interop.PowerPoint.ApplicationClass(); } That's all it does. When it is called there is a fifteen second delay before the function gets hit. I added something like this: static void MyAssemblyLoadEventHandler(object sender, AssemblyLoadEventArgs args) { Console.WriteLine(DateTime.Now.ToString() + " ASSEMBLY LOADED: " + args.LoadedAssembly.FullName); Console.WriteLine(); } This gets fired telling me that my interop assemblies have been loaded about 10 milliseconds before my foo function gets hit. What can I do about this? The program needs to call this function (and eventually do something else) once and then exit so I need for these assemblies to be cached or something. Ideas?

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  • ASP.NET MVC Render Ajax / Standard View

    - by Wayne
    I am a little confused and making it alot more complicated than this needs to be! Here is what I have... A view which displays a drop down of US States. When the user chooses a state it loads a list of data from a database and returns the results (populates the View Model) and the View renders the information. What I wanted to do was have have the dropdown trigger an Ajax event which performs the data load, but also wanted it to depreciate if the user didn't have Javascript enabled. How would I go about rendering the view with AND without javascript / ajax? Hope that makes sense. Thanks for your help.

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  • Tracing all events in VB.NET

    - by MatsT
    I keep running into situations where I don't know what event I have to listen to in order to execute my code at the correct time. Is there any way to get a log of all events that is raised? Any way to filter that log based on what object raised the event? EDIT: Final solution: Private Sub WireAllEvents(ByVal obj As Object) Dim parameterTypes() As Type = {GetType(System.Object), GetType(System.EventArgs)} Dim Events = obj.GetType().GetEvents() For Each ev In Events Dim handler As New DynamicMethod("", Nothing, parameterTypes, GetType(main)) Dim ilgen As ILGenerator = handler.GetILGenerator() ilgen.EmitWriteLine("Event Name: " + ev.Name) ilgen.Emit(OpCodes.Ret) ev.AddEventHandler(obj, handler.CreateDelegate(ev.EventHandlerType)) Next End Sub And yes, I know this is not a good solution when you actually want to do real stuff that triggers off the events. There are good reasons for the 1 method - 1 event approach, but this is still useful when trying to figure out which of the methods you want to add your handlers to.

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  • Consuming a HTTPS Web Service in .Net 3.5 Web Project

    - by Chris M
    I'm trying to consume a webservice that ONLY runs on HTTPS but using the "add service" method in VS or using the WSDL to generate a code file leaves me with a web service that states its http... <wsdl:service name="OGServ"> <wsdl:documentation xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">XML Web Services element of OGServ Gateway</wsdl:documentation> <wsdl:port name="OGServSoap" binding="tns:OGServSoap"> <soap:address location="http://ogserv.domain.co.uk/ogwsrv/og.asmx" /> </wsdl:port> <wsdl:port name="OGServSoap12" binding="tns:OGServSoap12"> <soap12:address location="http://ogserv.domain.co.uk/ogwsrv/og.asmx" /> </wsdl:port> </wsdl:service> Would this be the reason that even when I change the app.config (generated by the add-service) endpoint address to https it says it was expecting HTTP? The error: EC.Tests.OGGatewayLayerTest (TestFixtureSetUp): System.ArgumentException : The provided URI scheme 'https' is invalid; expected 'http'. Parameter name: via

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  • ArgumentOutOfRangeException was unhandled by user code - (ASP .net)

    - by ASr..
    I use a GridView to display the records from the database. Also i've attached a Hyperlink to the GridView using TemplateField. When I try to add "onclick" attribute to the HyperLink inside the RowDateBound event, I get the following error.. GridView1.DataKeys[e.Row.RowIndex].Value = 'GridView1.DataKeys[e.Row.RowIndex]' threw an exception of type 'System.ArgumentOutOfRangeException' Message = "Index was out of range. Must be non-negative and less than the size of the collection.\r\nParameter name: index" This is the coding inside the RowDataBound mentod.. protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e) { if (e.Row.RowType == DataControlRowType.DataRow) { HyperLink HyperLink1 = (HyperLink)e.Row.FindControl("HyperLink1"); //The following line makes the error HyperLink1.Attributes.Add("onclick", "ShowMyModalPopup('" + GridView1.DataKeys[e.Row.RowIndex].Value + "')"); } } This is "ShowMyModalPopup" function in javascript <script type="text/javascript"> function ShowMyModalPopup(userpk) { var modal = $find('ModalPopupExtender1'); modal.show(); WebService.FetchOneUser(userpk,DisplayResult); } </script> Can anyone please explain me why this error occurs.. Many thanks in advance..

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  • asp.net gridview bind dateformat not working with update

    - by Brabbeldas
    I have a GridView with a TemplateField column which shows a DateTime from a DataSource. <Columns> <asp:CommandField ShowEditButton="True" /> <asp:TemplateField HeaderText="Start Date"> <EditItemTemplate> <asp:TextBox ID="txtDateStart" runat="server" Text='<%# Bind("dtDateStart", "{0:dd/MM/yyyy}") %>'</asp:TextBox> </EditItemTemplate> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("dtDateStart", "{0:dd/MM/yyyy}") %>'></asp:Label> </ItemTemplate> </asp:TemplateField> </Columns> Displaying the date in the correct format works as it should. Note that the format starts with DAY followed by MONTH. When I switch to edit mode, change the date in the TextBox to '31-01-2013' and press the GridView's update-link i get an error: Cannot convert value of parameter 'dtDateStart' from 'System.String' to 'System.DateTime' The error is generated by the GridView not my own code. It happens before the UpdateMethod of my DataSource is called. When i type '01-31-2012' the data is processed correctly and the value is updated into the database. Somehow when the date is displayed it uses format dd-MM-yyyy (just as I need it to) But when it reads the new value form the TextBox it uses MM-dd-yyyy Can somebody please help me?

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  • Pass List of models to controller ASP.NET MVC 5

    - by user3697231
    I have a view where user can enter some data. But problem is this: Let's say you have 3 text box on view. Every time user can fill multiple times this 3 text boxes. To clarify, let's say user fills this 3 text boxes and press button which adds on form again these 3 text boxes. Now when user clicks submit this form is sent to controller, but how do I sent List of models as parameter. My architecture for this problem is something like this: MyModel public int ID { get;set; } public string Something { get; set; } /*This three textboxes can user set multiple times*/ /*Perhaps i Can create new model with these properties and then /*put List of that model as property here, but how to fill that list inside view ??*/ public string TextBoxOneValue { get; set; } public string TextBoxTwoValue { get; set; } public string TextBoxThreeValue { get; set; } Now, i was thinking that i Create PartialView with this 3 text boxes, and then when user clicks button on view another PartialView is loaded. And now, let's say I have Two partial views loaded, and user clicks submit, how that I pass list with values of these 3 text boxes to controller ??

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  • Binding formview with profile in asp.net

    - by IrfanRaza
    Hello friends, I want to display and update user profile using FormView control. But I dont know exactly how to do this. I am using custom providers for Roles, Membership and Profile. Everything is working fine. Can anybody provide solution? Thanks for sharing your valuable time.

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  • .NET DefaultValue attribute

    - by Aaron
    I've heard people say a few different things about the DefaultValue attribute including: "It sets the value of the property before anything else uses it." "It doesn't work for autoproperties." "It's only for decoration. You must manually set actual default values." Which (if any) is right? Does DefaultValue actually set default values? Are there cases where it doesn't work? Is it best just not to use it?

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  • VB.NET - cannot get Video Preview to work

    - by Yiu Korochko
    Hi, Overflow. I have an application which is supposed to convert a video via DirectShowSource. I have a checkbox which enables a button called "btnviewcrop" which shows a new form called crp.vb for cropping/shearing pixels off the video. Now, I have a Panel1 that I want to set as the owner (the video drawing surface) but when I set it to open, the application crashes (Error: Object reference not set to an instance of an object.) and I do not understand how to fix it. Here is my button code: Imports Microsoft.DirectX.AudioVideoPlayback Private Sub btnviewcrop_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnviewcrop.Click Me.ShowInTaskbar = False Me.Enabled = False crp.Show() Dim cropperv As Video cropperv.Owner = crp.preview cropperv.FromFile(labinputfile.Text, True) cropperv.Play() End Sub

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  • Generics and Derived Classes .NET 3.5

    - by Achilles
    Consider the following where class "Circle" inherits from "Shape": dim objListOfCircles as new List(of Circle) DrawShapes(objListOfCirlces) Private sub DrawShapes(byref objListOfShapes as List(of Shape)) for each objShape as Shape in objListOfShapes objShape.Draw() next end sub I can't get this to work. What is the explaination as to why this doesn't work?

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  • Vb net textbox cursor position always 0 after databinding

    - by user1166557
    please help me with the following if you can, i have the simple following command me.textbox1.databindings.clear me.textbox1.databindings.add("text",TicketsBindingSource,"TicketSubject") the command exeutes succesfully and i can see in the textbox the title, BUT once i click on the textbox1 the position of the cursor it's always moving to the position 0 and not to the area of the textbox i clicked. For example my textbox has the following text: "Hello World". If i click with my mouse inside the textbox at the letter W or anywhere i click the cursor is moving to the 0 index. eg. at the beggining , in order to move my cursor left or right i have to do that with my keyboard arrows keys, Dose anybody know how i can solve this issue?

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  • asp.net httphandler stay on page

    - by rod
    Hi All, I have an ashx custom handler I goto to view my images. When I come accross an image that's not there I'm trying to throw a JavaScript alert saying the file is not found. But I want it to stay on the page? Is this possible? Insted it just goes to the blank page of the ashx handler. Thanks, Rodney

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  • When and How to Delete temporary uploaded but uncommitted files in ASP.NET

    - by slowlycooked
    I'm using EO Ajax toolkits for upload files, the file is uploaded to server. when user click save then it will update the database for what been uploaded or changed. Now i need a clean up process that when user uploaded a file to server, but then close his/her browser before click the save button. in this case how should i programe so that the file user just uploaded is deleted, because it's now useless and not assosiated with any database. thanks. maybe i should upload all files to a temp folder, only when user click saver the file can be moved to target folder, at each session end the temp folder is get deleted.

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  • .net printing multiple reports in one document (architecture question)

    - by LawsonM
    I understand how to print a single document via the PrintDocument class. However, I want to print multiple reports in one document. Each "report" will consist of charts, tables, etc. I want to have two reports per page. I've studied the few examples I can find on how to combine multiple documents into one; however, they always seem to work by creating a collection of objects (e.g. customer or order) that are then iterated over and drawn in the OnPrintPage method. My problem and hence the "architecture" question is that I don't want to cache the objects required to produce the report since they are very large and memory intensive. I'd simply like the resulting "report". One thought I had was to print the report to a metafile, cache that instead in a "MultiplePrintDocument" class and then position those images appropriately two to a page in the OnPrintPage method. I think this would be a lot more efficient and scalable in my case. But I'm not a professional programmer and can't figure out if I'm barking up the wrong tree here. I think the Graphics.BeginContainer and Graphics.Save methods might be relevant, but can't figure out how to implement or if there is a better way. Any pointers would be greatly appreciated.

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  • ASP.net MVC Linq-To-SQL Extended Class Field Binding

    - by user336858
    Hi there, The short version of this question is "Is there a way to get automatic View Object binding for fields defined in a partial class for a Linq-To-SQL generated class?" Apologies if it's been asked before. Example Suppose I have a typical MVC setup with the tables: Posts {PostID, ...} Categories {CategoryID, ...} A post can have more than one category, and a category can identify more than one post. Thus suppose further that I need an extra table: PostCategories {PostID, CategoryID, ...} This handles the many-to-many relationship between posts and categories. As far as I know, there's no way to do this in Linq-to-SQL right now so I have to shoehorn it in by adding a partial Postclass to the project to add that functionality. Something like: public partial class Post { public IEnumerable<Category> Categories{ get { ... } set { ... } } } So here's my question: If a user is accessing my MVC application front-end and begins editing a Post object, they might enter an invalid category. When the server recognizes the invalid input, the usual practice is to return the faulty object to the original view for re-editing along with some error messages. The fields in the edit page are re-populated with the provided values. However I don't know how to get this mechanism to work with the properties I created with the partial class as shown above. Any terminology, links, or tips you can provide would be tremendously helpful!

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  • Accessing SVN repository from CCNet (CruiseControl.net) using an Active Directory user

    - by Tr1stan
    I have CCNet setup to talk to our SVN repository, which has it's ACLs setup using Active Directory groups. This is working fine, except I'm not happy with having the user name and password of the AD user stored in plain text on the CCNet instance. Is there a way to either encrypt the AD username/password, or get the CCNet service (I've tried running the service as the user and removing the the username/password section of the CCNet/SVN config) to use a domain account outside of the standard config?

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  • Refresh combo box in Windows Form VB.NET

    - by fireBand
    Following is the code to populate combobox using DataSource Dim CountryList As Array = MyCtrl.GetAllCountries With cbCountyList .DataSource = CountryList .DisplayMember = "CountryName" .ValueMember = "CountryID" End With After adding a new COuntry Name to Database I want to reflect the changes in combobox. Repeating this code is not an option becasue it triggers SelectIndexChange event and had to do some crappy work around to avoid that. So I was wondering if there is way to refresh the combobox list. I actually thought binding with the DataSource property supposed to do it automatically. I also tried cbCountyList.Refresh() Thanks in advance.

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  • ASP.NET MVC Inserting object and related object into 2 tables

    - by ile
    I have two tables: Users and UserOwners. Table UserOwners contains list of users that certain user created (list of child-users) - or to be more precise, it contains UserOwnerID and UserID fields. So, now I want to create a new user... in Controller I have something like this: var userOwner = accountRepository.GetUser(User.Identity.Name); var userOwnerID = userOwner.UserID; UserReference userReference = new UserReference(); userReference.UserOwnerID = userOwnerID; if (ModelState.IsValid) { try { //accountRepository.Add(user); //accountRepository.Save(); return View(); } catch { return View(); } } What is the easiest way to add new user to a table Users and matching UserOwner to UserOwners table. Is it suppose to be something like this? public void Add(User user) { db.Users.InsertOnSubmit(user); db.UserReferences.InsertOnSubmit(user.UserReference); } ...or I will have to pass two objects and after adding user I must read it's ID and than assign it to userReference object and add that object to DB? If so, how to read ID of the last object added? Thanks, Ile

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  • How do I play a video through .net in windows 7

    - by Mykroft
    I had setup an app to play a video using the library suggested here this worked great for me for a long time until my machine was upgraded. In windows 7 I get the following exception that I'd never seen under XP: `System.BadImageFormatException: is not a valid Win32 application. (Exception from HRESULT: 0x800700C1) at MainApp.Controls.MediaControl.StopVideo() at System.Windows.Forms.Form.WmClose(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)` I've installed the June 2010 DirectX SDK and I'm still getting this error. Is there a different library I should be using or some setting that needs to be changed?

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