I have a structure that has a byte array as a field: struct foo { public int A; public int B; public byte[] C; } I want to create an instance of this structure, such that all fields A, B, and C are in a continous block of memory. Right now if I assign C a new byte array, it gets created i...more >>

Hi Everyone, Just after some ideas and suggestions on how to do this. I have a large amount of numeric data which I would like to group given a distance as a parameter. IE. If my dataset was simply 1, 5, 9,10,11,16,17,25,29 and I pass in a distance of 2 then I would want to end up with gro...more >>

Hello, I am wondering if it is a good idea to use GC.Collect() in a timer. For example, timer is fired every 5 minutes and calls GC.Collect(). In our server app the memory goes to 600MB and stays there. The memory hardly goes down. When I disconnect the client and the connect it again t...more >>

there seems to be some overhead between SQL Server 2005 and a CLR function written in C#. Why is this? I have a simple wraper around System.Diagnostics.Stopwatch.GetTimestamp() : public partial class UserDefinedFunctions { [Microsoft.SqlServer.Server.SqlFunction] public static lon...more >>

Hi All, I am looking for a way to automate other applications programatically. Is there any C# library that will allow me to do this? i.e. I want to be able to iterate the menu items on another application and send a mouse click to each one. Thanks, Pete. ...more >>

Hello As a known issue, WCF does not allow to transfer typed DataSet. So I have to copy all data from typed DataSet to untyped DataSet(same table names, column names and row data). What is the most efficient way to do that? I tried to remove DataTable from typed one then add to untyped one, b...more >>

What is the best possible resolution that C# timing tests can get? milliseconds? nanoseconds? ...more >>

Hello, I have a ASP.NET control that works perfectly in VS2005, but in VS2008 the design-time experience is broken with the following error: Unable to cast object of type Microsoft.Web.Design.DocumentDesigner to System.Web.UI.Design.WebFormsRootDesigner. I inherit System.Web.UI.Design.Con...more >>

I'm new so bear with me. Is there a way for the catch to fix a problem then start the try over again? For example, I have this console application sync a remote database and it takes hours. Sometimes the link, for no apparent reason will drop and will trigger the catch. I want the cat...more >>

hello if i have a Existing SqlDataAdapter how do you Clear it and re-use or do i just set it to null and create a new SqlDataAdapter TIA analizer1 ...more >>

Dear Group, I have a SQL Server 2000 databse with some tables. The tables contents are modified by many users at the same time. When I fetch some rows from a table via dataset into my application , I just have a static version of rows. When other users modify the rows I do not have new changes ...more >>

I am trying to create a setup application using C# that should install MSDE 2000 on the client machine. I googled a little but couldn't find a specific answer. Any pointers on how this can be done? Thanks... ...more >>

I have a little Windows application written in C# with a SQLite back- end. I'm using the System.Data.SQLite provider. One of the features the application provides is a database back-up, which just basically copies the S3DB file to a specified location. See the code below: //----------------...more >>

Why does this code work? I am new to C# and have been studying this piece of code. It loops through an Adjacency Matrix table to populate a tree view. I have two questions about why this code works. 1. initTreeView(TreeNode N) creates a new "temp" table to hold the children for each node. ...more >>

Hello, how can I make the transformation matrix? Zero point Left top Left bottom Right top Right bottom I have a list of points private void Form1_Load(object sender, EventArgs e) { ListCodes = new List<CODES>(); CODES obj; ...more >>

I am trying to implement the stringbuilder class by taking a LARGE multiline text box and looping through the lines and build a string and include \r\n in it. I get : Index was outside the bounds of the array. The code is simply: StringBuilder str = new StringBuilder(); for (int cou...more >>

Hi, Folks!! If you are setting up an installation file (MSI) and you are adding some system registry settings can you use the $(TargetDir) variable where the installer would expand it out to "C:\Program Files\<Co name> \<Proj. name>"? e.g. HKRC - <filetype> - shell ...more >>

I inherited a large quantity of legacy code, and I very frequently find methods, constants, properties, variables, etc., that are no longer referenced by any code. Does anyone know of that can display a list of assembly or solution members that aren't actually referenced anywhere within the ass...more >>

One of my my textboxes has a nice white background when running on an XP machine, but becomes dark blak when running on a Vista. Does anybody know how I can fix this? Thank you. ...more >>

Hello, all. Can anybody point me to documentation about how can I programmaticaly (via C#) iterate through the global assembly cache on the Mono framework? I know how to do it using Microsoft .NET on Windows by using a bunch of P/Invokes against some COMs. However, that's obviously not ...more >>

hello i am using c# in visual studio 2005 and need to insert a large number of records contained in a dataset into an access database. the following is too slow. how can i update my DataAdapter with all the rows(150000) at one time? thanks foreach (DataRow row in ds.Tables[0].Rows) { D...more >>

I need to write a method that does something like the following. In general it returns a nullable of the same type as the one passed in. Here is the problem. If I try to assign a value to the nullable by uncommenting the line ' //tRet = -999;' it won't compile (cannot implicity convert type xx...more >>

Hi, Folks! I have a solution that two different executables (Win app & Console App). I want to add two separate actions for a single file type (i.e. "Run with Win App" and "Run with Console App"). How can I set this up within the File Type Editor? Thx. ...more >>

Hi, Is there an easy way now in 2005? Need full example url etc.. Thank you, ...more >>

Hi, we're trying to get to grips with using ClickOnce installers and are having some problems. Once installed, the majority of the application will reside in the following directory: C:\Documents and Settings\<username>\Local Settings\Apps\2.0\<x>\<y> \<z> where <x>, <y> and <z> are seaming...more >>

Hi, I am trying to get the SessionId of processes on a remote machine using System.Diagnostics.Process: foreach (Process p in Process.GetProcesses("remotemachine")) { Console.WriteLine(p.SessionId.ToString()); } SessionId is always 0 while Task Manager (on the remote machine) sho...more >>

Hi, My problem is that a custom control "newA" that inherits from a base custom control "baseA" is not displaying any contained controls - that were not inherited - at run time, but displays them fine at design time. I'll give a short example: public class baseA: UserControl { //add ...more >>

Hi everyone, I've been investigating for a while about this, but with no luck yet. Does anybody know a way to do it? Many thanks, Brian ...more >>

I was thinking of switching to VS2005, so I sent off for and received a 120 evaluation kit. This version was supposed to be the same as the full version, but the key limits you to 120 days. I installed it and began learning how to use it. I built several small C# test apps that use common...more >>

Hi , Due an unknown cause VS2005 started to show an error when i switch from code to design in windows forms projects. I repaired the installation but the same happens. The error is: One or more errors encountered while loading the designer. The errors are listed below. Some errors can b...more >>

Hi I want to bind a datagrid to a dataset for the table "ProductProductPhoto" in the AdventureWorks database in SQL Server 2005, however I can't because the binding fails on Production.ProductProductPhoto, presumably because it thinks theres some kind of relation in effect here. So how do you...more >>

Hello: I'm using VS2005 with an ODBC database. I am trying to add a Dialog to an existing Database application to allow the user to select the database. We have 2 different databases with the same schema so this is a very desirable function. I can configure 2 different connection string...more >>

Hi. In a custom attribute, is there any way for me to discover the type/member to which the attribute is applied during attribute construction? For example: public enum MyEnum { [MyCustomAttribute()] MyField, ... } public MyCustomAttribute : Attribute { public MyCustomAttribute(...more >>

Long story short: I've been able to load a C# dll in C++ by having the C# project generating a type library (tlb) and #importing that in C+ +. The #import directive looks like a compiler shortcut that generates a tlh and tli locally. Now what I want to be able to do is generate the tlh and tli...more >>

Hi, I have a windows service that does some distributed transcation across 2 servers. One DB is SQL 2005 express and the other is SQL 2005. My question is I have created a domain user account and I am logging the service in as that account. Then I am adding permission to the user acccount ...more >>

Hi, I want to play Audio/Video in my C# application(standlalone, not web applicatoin). The source of multimedia may in different formats and decided by the end user, which I have no control. My question is -- which is the best approach to add multimedia capability to my c# application, t...more >>

Hello all, I have an a bit strange printer and I would like to connect a C# program running on my computer to the printer. I know that the printer can be connected by LAN (TCP/IP protocol, 10/100 Base-T) but I am not quite sure of its meaning. I have not seen anything about that the print...more >>