Hi, I know this is not a good place for this post, but I have too. I need to store Hijri Date in SQL Server 2005, but because it is year 1386 in Hijri calendar, SQL Server does not let me do that. I can store it as simple text but it is not a good approach. Can anyone help me please? ...more >>

I'm writing a new Windows Service. During the OnStart event procedure I initialize a few things. If initialization fails, then I do not want for the service to start. What I currently have is something like this: if (All initialization tasks succeeded) { // log the fact that initializat...more >>

Hello. I am trying to use c# generic to define a class. class MyClass<T> where T: new(){ } In this definition, MyClass can create T objects with a default constructor. Is there any way to set the constraint such that MyClass can create T objects with some custom constructors (provided ...more >>

I am getting this error when I tried to modify one field inside foreach loop. public struct myStruct { public int a; public bool b; //... } private List<myStruct> MyStruct = new List<myStruct>(); //... foreach (myStruct ms in MyStruct) { if (ms.a == 3) { ms.b = true; /...more >>

I am currently using Control.DoDragDrop to drop a text string into Excel. I use the following code DataObject dd = new DataObject(); dd.SetData(DataFormats.Text,"\\\\ws-it-bstough\\ShareFolder\\Test.wav"); DoDragDrop(dd,DragDropEffects.Copy); The code works as expected but it will always ...more >>

I've been googling for this for a while now, and it appears it's not at easy as it sounds, due to MP3's variable bitrate option and other things that goes above my head. Hopefully, there's a simple solution, that doesn't include learning hardcore C and writing my own MP3 decoder. All I want ...more >>

Hi! It seems that every memory allocated by the garbagge collector is zeroed out (an array is set to all zeros). Is there any way to allocate memory via garabage collector without having that automatic zero out feature? In my case that zero out is adding a serious performance penalty. ...more >>

I've got code that allows me to render the contents of a byte array to the screen, but I need to write the contents to disk. Suggestions? Thanks ...more >>

I'm calling string.Split() producing output string[]. I need direct access to its enumerator, but would greatly prefer an enumerator strings and not object types (as my parsing is unsafe casting from object to string frequently). Basically generics and not its non- generic counterpart. stri...more >>

I'm opening a JPG file to read and write its EXIF properties. I'm using very simple code to open the file: myBitmap = new Bitmap(filePath); Reading and writing the properties is working fine, but when I go to save the file, I'm getting an exception that reads "A generic error occurred...more >>

hi i'm using VS.NET 2005 +SP1 C#, and i connect access database by ADO.NET 2.0. i'm using Dataset to (insert,update,delete) and in get data i use (Datareader), but my problem when i do this: 1 - insert data (by dataset). 2- get data (by datareader). when i run this commands i can't get latest...more >>

hi, i have a class called foo that has a method called ~foo (well it might not be a method but I'm not worried about the actual semantics here) from what I can tell this makes it a destructor which means it should get called when the object is disposed of by the runtime. presumably this ...more >>

What is the recommended practice for referencing assemblies in a project from other solutions? I am using Visual Studio 2005 Team System. I have several assemblies in another solution which will be referenced in my project. How should i reference them. e.g. 1) Should I get both soluti...more >>

Can you have Persistent Connection (always open) in Dot.net I have multiple calls i have to make back to the server would like to keep the connection open... or is this a mute point since pooling is handling cached connections Tks DaveP ...more >>

Hi, I built an assembly with a class, NodeBuildCommand, in the namespace "Tendril". I use that assembly on one computer to send a NodeBuildCommand object in the body of a System.Messaging.Message. This works without error. On the receiving computer I use the same assembly and then try to cast...more >>

hi all. i have a Situation where i have a offline table using dataset and (sqlAdapter) this table has many rows...i need to line a id column to another ID2 Column Back at the database i dont want to select 1 by 1 select from the database looking for examples of getting the data from the...more >>

I am trying to understand Interfaces and why I would use them. I have an example from a book that is explaining it. I just can't seem to see why I would use it. In my example, it has 2 interfaces: IDisplayable and IComparable (Predefined). In the Students class part, he is moving the s...more >>

Hi there, I finally wrote a template class for a parameter, which is listed below. I'd like to use the parameter to store int, float or enum object, and to use it with a property, thus I don't want to worry about it's type. Let's say I've got a class Screen defined as follows: public class...more >>

Hi, We have a windows application developed in c# and SQL Server 2005. Our application need to execute more than one command (ExecuteReader and ExecuteScalar) at a single time. Till now we have we use with only one connection created during start up of application and will be displose/clo...more >>

hi all, how can i control the position of vertical or horizontal scrollbals of a picture box. i load a picture in a picturebox , by default the vertical of scroll bar is at position 0 ; how can i set it in Middle state of picturebox by programming. so thnx for any help ...more >>

Hello, I was wondering what the easiest way is to compare two DateTime objects and not have the time components be included in the comparision. For, example, if time1 = 10/01/07 9:00 am, and time2 = 10/1/07 10:00 am, time1.CompareTo(time2) == 0 should evaluate to true. Thanks, Chris ...more >>

Can anyone tell me what is wrong with this: namespace Test { public class A {} public class B : A {} public class G<T> where T : A {} public class F : G<B> {} public class Test { private G<A> a = new F(); private G<A> b ...more >>

1. What is a difference between System.Windows.Forms.Timer and System.Threading.Timer ? 2. How does it work? How is elpasing time counted? I.e interval is set to 10ms and a timer starts working - elapsing time is being counted. When it takes 10ms the tick event is raised. When the new time i...more >>

I need some help. I have an app that talks to a sonar board via the serial port. In my sp_DataReceived I gather all the data and put it into arrays. Then I want to draw the data in a pictureBox. I wrote a function called Draw_sonar2 that does all the drawing. It usually works but sometimes crash...more >>

Hi. I writed a method that takes two DataTable with same schema and return a third DataTable that: - insert new rows from "compare" DataTable - delete rows contained in "source" and not in "compare" DataTable - update rows from "compare" -------------------------------------- public stati...more >>

Hi, I already asked about this topic few months ago, but i did not get any answer which satisfied me, therefore i'm asking it again. I would like to know how i can protect my code (C#.NET) from being decompiled and abuse. in C++, we write in "Win32 native" so you are not able to see any ...more >>

Hi I need to be able to lock a table against INSERT and UPDATE, but not SELECT, for the duration of a transaction. The transaction will be defined at the application level in c#, and then use stored procedures to make multiple selects and then an insert. What is the best way of doing this? ...more >>

Hi to all, I'm trying to copy a Datacolumn from a table to another, but with this code: destTable.Columns.Add(srcTable.Column["colname"]); I got this error: Column 'colname' already belongs to another DataTable. Anyone can help me?...more >>

Hello, I would like to use C# activex dll in my asp.net website. Within Visual studio enviroment it works good, but in browser I can't see the control.. the secutity level in my IE is Low and I have all permissions in website directory. Thanks ...more >>

Hi there; I m trying to find a way to create some sort of helper or something so all dates and numbers are displayed in a format (perhpas taken froma config file or database) for example in an XML file have date format "dd/MM/yyyy hh:mm" and decimals with 2 places How can i do this whitout c...more >>

Hi, In my ASPNET 2.0 web form application, I have a Table control T1 which contains some LinkButton controls. But we don't know the number of the LinkButton yet, cuz the number of the LinkButton is based on the SQL query during the run time. My question is how do we handle those Click event...more >>