.net

How to determine one to many column name from entity type

I need a way to determine the name of the column used by NHibernate to join one-to-many collections from the collected entity's type. I need to be able to determine this at runtime. Here is an example: I have some entities: namespace Entities { public class Stable { public virtual int Id {get; set;} public virtual ...

ASP.Net Problem with View Control

I admit, I'm an .NET n00b. Basically what I'm trying to do is I have a page with a text box on it and an image button. On click of the image button I want it to show a view control I have set up. Inside this view control is an image and some text. So this is what I have in my code-behind. protected void btnSubmit_Click(object sender...

Can I automatically throw descriptive exceptions with parameter values and class feild information?

I honestly don't throw exceptions often. I catch them even less, ironically. I currently work in shop where we let them bubble up to avicode. For whatever reason, however, avicode isn't configured to capture some of the critical bits I need when these exceptions come bouncing back to my attention. Specifically, I'd like to see the pa...

How to detect the vertical scrollbar in a DataGridView control

Using winforms in vs2008. I have a DataGridView and I would like to detect when the vertical scroll bar is visible. What event should I register for? I am adding the summing the each cell value in the last column of the grid and displaying that value in a textbox at the bottom of the DataGridView. I would like this textbox to stay lin...

Constraining enum value in method parameter

enum Fruit { Banana, Orange, Strawberry ... ... // etc, very long enum } PeelFruit(Fruit.Orange); PeelFruit(Fruit.Banana); PeelFruit(Fruit.Strawberry); // huh? can't peel strawberries! Sorry for the lame example, but hopefully you get the idea. Is there a way to constrain the enum values that PeelFruit will ac...

Memory randomization as application security enhancement?

I recently came upon a Microsoft article that touted new "defensive enhancements" of Windows 7. Specifically: Address space layout randomization (ASLR) Heap randomization Stack randomization The article went on to say that "...some of these defenses are in the core operating system, and the Microsoft Visual C++ compiler offers o...

Office Add-in to execute on save

I'm developing an Office 2007 add-in. I would like to have a piece of code execute whenever the user Saves a document. I'm principally interested in Word, Excel and PowerPoint, but I'd prefer to also support other Office apps (such as Visio and Microsoft Project). Looking for either a code sample, or a link to an article that describe...

Javascript performance issue

Hello, I've built a top menu based on superfish, but the amount of displayed items in the menu is huge. And there is also alot of jquery on the top menu. Now to the problem, everytime I load any page that has the menu, the browser(ie7) feels like it looks it locks it self for about 1-2 seconds while the page is being loaded. I'm sure t...

Activation Function, Initializer function, etc, effects on neural networks for face detection

There's various activation functions: sigmoid, tanh, etc. And there's also a few initializer functions: Nguyen and Widrow, random, normalized, constant, zero, etc. So do these have much effect on the outcome of a neural network specialising in face detection? Right now I'm using the Tanh activation function and just randomising all th...

Cannot delete an image file that is shown in a listview

Hello all, In my listview I show thumbnails of small images in a certain folder. I setup the listview as follows: var imageList = new ImageList(); foreach (var fileInfo in dir.GetFiles()) { try { var image = Image.FromFile(fileInfo.FullName); imageList.Images.Add(image); } catch { Console.Wri...

Monitor MySQL table for changes within a C# program?

Is it possible to monitor a mysql table for changes within a c# application? I basically want an event to be raised when data is inserted into the table. The only thing I can think of now is to query the table every 100ms or so. ...

Arguments to delegate.BeginInvoke are copies or references?

Where is there documentation on the treatment of arguments to BeginInvoke? If I have a delegate (which wraps my handler function) that accepts an object as a parameter, does that object get copied or referenced by the asynchronously-called handler function? delegate void MyDelegate(SomeObject obj); // later on: // invoke the delegate ...

Web Service is truncating a string in an object being returned... totally lost why

I have a webservice that returns an object i have defined. One of the properties is of the type string and holds a significant amount of characters...over 500 at times. When pass data of the same type TO the webservice, it makes it there and i see the data in my DB. When I return data to the client side, that property is getting truncate...

Launch Condition - Check if a service is running

In VS2008, how can I check whether a windows service is running int he launch condition? ...

InternetExplorer.Application with -nomerge switch?

I'm trying to create a InternetExplorer.Application object, but I want IE to start with the -nomerge switch. Is there any way of doing this? ...

Forms authentication failed for the request. Reason: The ticket supplied has expired.

My event log is flooded with this message: Forms authentication failed for the request. Reason: The ticket supplied has expired. I think this happens when people timeout instead of logout. First of all , this is not an error, it's Type: Information I don't want this information, how do I stop ASP.NET from logging it? My appl...

Query decendants in XML to Linq

I have the following xml data: <portfolio> <item> <title>Site</title> <description>Site.com is a </description> <url>http://www.site.com&lt;/url&gt; <photos> <photo url="http://www.site.com/site/thumbnail.png" thumbnail="true" description="Main" /> <photo url="http://www.site.com/site/1.png" thumbnail="fals...

Why does deploying a .NET Compact Framework assembly cause .NET Desktop Framework assemblies to be deployed?

I am trying to get one of my developers set up to work on a fairly large .NETCF project. When we try to simply deploy the solution and all of its projects to a target device, deploying one of the projects triggers several assemblies from the desktop framework to be copied from the GAC to the device. What on earth could cause this? The...

C# and Linq: Generating SQL Backup/Restore From Code

I'm working with a C# and Linq to SQL Winforms app and needed to integrate backup and restores through the program. I used SMO and got it working pretty smoothly. The issue, however, is that the app is deployed using ClickOnce, which I like very much - but since I had to include the dll's the download size jumped from 3mb => 15mb. I know...

Convert String to datetime Format

Need to convert a string to normal datetime format so it can be correctly inserted onto a datetime type field. String Format: 4/21/2010 4:43:03 PM Example: 2010-04-21 16:43:03.000 I have clarified question: The need is to change format and not type. ...