zheny.lu's Q&A profile

• Visual Basic How to keep the value of an INPUT TYPE="FILE" after postback ?

  Hi Guys, I am having a simple, I suppose, problem with <input type="file"> control. I need to keep its value during some post backs of my page, but I can't. I loose it's value after all post backs. Any one knows how to keep it Regards, Marcelo. Hey, If it has runat="server", it should retain it... Did you turn off viewstate Could you post the definition or code Brian ...Show All

• Windows Forms Simple Drawing Question for Windows Forms

  Hey, I have been working on this for a long time, and so far, no one can help. I have a Windows Form Application written in C++. On the Windows Form is a Button called "Draw" an Up and Down Box, and then a Panel called& ...Show All

• Visual C++ debug assertion failed?

  Ok here is my problem one day i changed something, i don't know what, and my program now gets this message Debug assertion failed! Program:.... File:  dlgdata.cpp Line: 44 What is that here is the code at and around that point HWND CDataExchange::PrepareCtrl(int nIDC) {     ASSERT(nIDC != 0);     ASSERT(nIDC != -1); // not allowed     HWND hWndCtrl;    COleControlSite* pSite = ...Show All

• Architecture Architecture templates

  I am in a small shop where we don't have UML tools or other design aids other than Visio. What I am looking for if there is any are templates or guides, standards for how a system architecture should be documented. That standard would also include how architecture should be documented graphically as well. There are a lot of frameworks that offers views for documenting architectures (RUP 4+1, Siemens 4 views, RM-ODP 5 views, Zachman 36 views ...Show All

• Windows Forms External component has thrown an exception

  Hi, I'm getting this error really sporadically in my Winforms app. Seems to happen when trying to display a form with a call to .ShowDialog(). It doesn't seem to happen on any particular form, just pops up now & again. I can close the application and restart it, then I can view the form without the error The application is running in a Citrix terminal server environment, the assemblies themselves are running from a network share. Ca ...Show All

• .NET Development Solution found

  I have a solution which contains a winform project and a webservice. I am trying to step from the code in a form into the code in the webservice, but it doesn't work. I just step over the code in the service to the next code line in the form. Until this morning it worked fine, so I am a bit confused what might have happened since it suddenly doesn't work. In web.config I have < compilation debug = " true " /> I have searced a bit ...Show All

• Visual Basic Copy a file to a folder

  Hey, I am using Visual Basic 2005 Express Edition, and have ran into a dead end. I want my program to copy a file into a folder but the only copy command I could find was the io.file.copy but this only allows the code to copy to a file path not a folder, is there a way to copy a file to folder or a way around it Thanks File.copy which copies file from one location to other with file path defined. If file is ...Show All

• Windows Forms listview + checkboxes

  Check: http://www.stilldesign.co.nz/Combobox_issue.png Why are the checkboxes off the left side of the listview I made a listview, added 2 groups, added 3 items, added those 3 items to the groups, selected SmallIcon as the View, and enabled Checkboxes. Cheers ...Show All

• SQL Server can sql server allow to read record ramdomly?

  anyone have the solution or work around my system need to select x% ramdom record from a batch of data from sql server for validation. is this posible any sql statement allow to select the record ramdomly let say total record is around 1000, example record that i need to select is:- record no 5,48,49,50,147,148,256,257,258,411,412,413,414,415,..... so and so can i use cursor to move around the record to read it if we view on perfo ...Show All

• SQL Server Executing a package multiple times in parallel - can't see it in the GUI

  Hi, I am calling a package 4 times, in  parallel, from a parent package. It would be really nice if I could see 4 instances of this package in the GUI so I can see what each is doing. Is that possible -Jamie Cool. Cos I have to be honest, that's a major irritation for me at the moment cos of the huge (and I do mean HUGE) datasets I've been working with. -Jamie ...Show All

• Visual Studio 2008 (Pre-release) Animation Problem!

  Hello: When reading the Hands-On Lab, I enjoy myself. There is a class named " Photo " to store the path of Image A collection: public class PhotoList : ObservableCollection<Photo> A ListBox whose ItemsSource is binded to the PhotoList ; But I met a strange problem , The following code works very well when the PhotoList is steady. <EventTrigger RoutedEvent="GotFocus"> ...Show All

• SQL Server trigger issues

  I am running a trigger on a table (cusomfields) that is to fire when the table is updated or inserted. The trigger takes the new data and moves it to another table called search_products. Search products is made up of 5 columns (product_id, search_terms, name, vendor and keywords). The search_terms column is a combo of the name, vendor and keywords columns. When the trigger fires, the column in the customfields table that updates the keywords ...Show All

• Visual Studio MSBuild dependencies

  Hi, I am new to the .NET world and I am trying to figure how to express assembly dependencies in MSBuild. How to I tell MSBuild to go and get the assembly it need in a certain directory Is there any documentation that explain dependencies management under MSBuild Thanks, -M. you just set up your build script (project file) to use project-to-project references instead of file directly, then the build order will automatic ...Show All

• Game Technologies: DirectX, XNA, XACT, etc. DX9 Tutorials for VB.NET 2005?

  Hi, can somebody tell me, where I can find some good Tutorials for DirectX9 and VB.NET 2005   Thx, Vollstrecker If you purchase Tom Miller's book titled Managed DirectX 9: Graphics and Game Programming, you'll find source code on the CD written in both C# and VB.NET. ...Show All

• Visual C++ CRT sources and BETA 2

  I installed Visual C++ Express 2005 BETA2  tonight (having used the first beta with satisfaction for quite a time now). No major pb with it all my code compiled almost fine(at least the native bits). Love the new traits feat'(coz that what i was into,makin a boost style lib(only smaller) that use a lot of traits class). Of course changes they are (for the best ie managed c++ & destructor vs Finalize & Dispose) but i miss  the c ...Show All