.net

Difference between x86 and 64bit assembly in .NET

Could some tell me the difference between 32bit and 64bit .NET assemblies? I understand when it is needed to be precise instead of selecting AnyCPU configuration. Regards, Mita ...

Merging .net object graph

Hi guys, has anyone come across any scenario wherein you needed to merge one object with another object of same type, merging the complete object graph. for e.g. If i have a person object and one person object is having first name and other the last name, some way to merge both the objects into a single object. public class Person { p...

How to prevent bad formatted data input in DataGridViewCell

I have an automatically binded DataGridView that obtains data and update data directly from a Strongly Typed Dataset and its TableAdapter. the DataGridView allows data editing but I'm having issues dealing with bad formatted data input. For example, one of the columns is a date, formatted in the database as datetime, 11/05/2010. You ca...

LINQ expression until to break a string

Using LINQ I'm looking to break down the following path string[], however I'd like to break it up to the point of the Binn folder. Is there a WHERE UNTIL operator in LINQ? c:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\Binn\sqlservr.exe What I'd like todo var words = from word in thepath where UNTIL thepath == "Binn"...

.NET 4.0 & CrystalReports

I have a dll build with target framework 3.5 that manage reports; this dll use the version 10.5.3700.0 of CrystalDecisions.CrystalReports.Engine Now, I have created a new wpf application based on .NET framework 4.0 and I added the report dll reference to project. I had to install the Crystal Reports for Visual Studio 2010 library (http...

Organising UI code in .NET forms

Hi I'm someone who has taught myself programming, and haven't had any formal training in .NET programming. A while back, I started C# in order to develop a GUI program to control sensors, and the project has blossomed. I was just wondering how best to organise the code, particularly UI code, in my forms. My forms currently are a mess,...

Why does this threading approach not work?

I have a wierd problem with threading in an ASP.NET application. For some reason, when I run the code in the request thread, everything works as expected. But when I run it in a separate thread, nothing happens. This is verified by calling the below handler with the three flags "on", "off" and "larma" respectively - in the two first case...

How to analyse contents of binary serialization stream?

I'm using binary serialization (BinaryFormatter) as a temporary mechanism to store state information in a file for a relatively complex (game) object structure; the files are coming out much larger than I expect, and my data structure includes recursive references - so I'm wondering whether the BinaryFormatter is actually storing multipl...

Looking for a managed image parser library (JPEG, BMP, PNG, GIF)

I am writing a discussion board software that will have "avatar" images for the users. I want to resize any picture that gets uploaded to a reasonable size. I could easily do that with System.Drawing but that is relying on GDI+ which has hat security problems before. The problem is that the images are untrusted. So I thought of using a f...

Reasons why one should not call the garbage collector directly.

Hi everyone, I'm currently writing a paper for my company, about how to avoid calling the garbage collector directly from the code (when playing with COM objects for instance). I know this is a bad practice, and should be only considered in very rare cases, but I can't seem to find a way to tell why it should be avoided. And I don't w...

unit testing methods with arrays as argument

I am porting over some C++ assembly to VB that performs demodulation of various waveforms. I decided to go the unit test route instead of building a test app to get a feel for how testing is performed. The original demodulation code accepts an array that is the waveform along with some other arguments. How should one go about performi...

Multiple usage of MenuItems declared once (WPF)

Is it possible in WPF to define some menu structure and than use it in multiple contexts? For example I'd like to use a set of menu items from resources in ContextMenu, Window's menu and ToolBar (ToolBar with icons only, without headers). So items order, commands, icons, separators must be defined just once. I look for something like th...

Grails/Roo for a .Net developer

I am currently picking up Grails and Roo to expand my skills and to have a bit of fun. The vast majority of training materials appear aimed at new developers or Java developers. Does anyone know of any guides, resources or have any tips and anecdotes for translating existing development experience with .Net (C#/ASP.Net/Asp.Net MVC)? ...

Conditional PropertyGroup in TFSBuild.proj

I am trying to set a PropertyGroup depending on the value of another PropertyGroup: <PropertyGroup Condition="'$(BuildDefinitionName)'=='Dev1'"> <DeploymentServer>DEVSERVER</DeploymentServer> </PropertyGroup> <PropertyGroup Condition="'$(BuildDefinitionName)'=='Main'"> <DeploymentServer>MAINSERVER</DeploymentServer> </PropertyG...

Can we use MongoDB with ORMs we used to use with relational databases, such as linq2sql, entity framework, subsonic,...?

I want to know if its possible based on your experience to use our previous experiences using .net ORMs with nosql db such as MongoDB. And also if you know samples doing this please refer in your answer. ...

Disable Windows service at application launch

Because of VLC conflict I have to turn off Windows Advanced Text Services at my application launch. Is there any special API for that? Will it work for user with default rights? ...

Switching to FormViewMode.Edit is very slow

When i switch an ASP.Net Formview from readonly mode to edit mode it takes more than 6 seconds(from edit to readonly takes a split second). I have no idea whats the reason for it. The EditItemTemplate contains a lot of controls(table,textboxes,dropdownlists) but in fact not more than the ItemTemplate has. Yet i have even commented out th...

How to tell my asp.net page to use .net 3.5?

My company recently upgraded from IE 6 to IE 8. My site does not render properly. I wanted to make sure my .net version was fixed before I started to try to fix a problem. I think my web.config file says i'm using 3.5, but if I get an error when running the app I get this: Version Information: Microsoft .NET Framework Version:2.0.50727....

Drawing using Layers technique in c#

I have a different collection which I draw on image, but it slow down my GUI, I want to use layer technique so that I can deal all the collection separately, kindly give me some direction so that I can do it. ...

how can i write line by line in txt data?

I try to write line by line data but. if i run my application. writng last text1 data in script.txt private void button1_Click(object sender, EventArgs e) { System.IO.TextWriter tw; tw = new StreamWriter("C:/Script.txt"); tw.WriteLine(textBox1.Text); tw.Close(); } ...