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• What's the most simple way to retrieve all data from a table and save it back in .NET 3.5?

  - by zoman

  I have a number of tables containing some basic (business related) mapping data. What's the most simple way to load the data from those tables, then save the modified values back. (all data should be replaced in the tables) An ORM is out of question as I would like to avoid creating domain objects for each table. The actual editing of the data is not an issue. (it is exported into Excel where the data is edited, then the file is uploaded with the modified data) The technology is .NET 3.5 (ASP.NET MVC) and SQL Server 2005. Thanks.

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• Grouping date periods (by number of days) but exclude the weekends?

  - by tonyyeb

  I have a table with start and end dates in. My goal is to have a table that has grouped these dates into how many days the period spans. I thought I had the solution with a simple SQL statement (MS SQL Server 2005) but I want to exclude weekends. SELECT DATEDIFF(D, StartDate, EndDate)+1 AS Days, COUNT(ID) as Count FROM myDateTable GROUP BY DATEDIFF(D, StartDate, EndDate) This gives a record set of: Days Count 1 4 2 2 4 1 7 2 Is this possible to exclude the weekends in the SQL statement and if not can it be done using ASP and a array perhaps?

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• Does Visual Studio 2010 on x64 crash often? Or is it just on my PC?

  - by JK

  MY VS2010 crashes dozens of times a day. Compare that to 2008 and 2005 which were rock solid. Is 2010 known to be susceptible to crashing? Or could it be my environment? I'm using x64 as a dev box for the first time. The only plugin I has so far is Ankh. It crashes when doing different things. One I've noticed so far that always happens is if I press the key sequence alt-f-s-up (or any cursor key) it will crash every time.

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• C# Struct No Parameterless Constructor? See what I need to accomplish

  - by Changeling

  I am using a struct to pass to an unmanaged DLL as so - [StructLayout(LayoutKind.Sequential)] public struct valTable { public byte type; public byte map; public byte spare1; public byte spare2; public int par; public int min; public byte[] name; public valTable() { name = new byte[24]; } } The code above will not compile because VS 2005 will complain that "Structs cannot contain explicit parameterless constructors". In order to pass this struct to my DLL, I have to pass an array of struct's like so valTable[] val = new valTable[281]; What I would like to do is when I say new, the constructor is called and it creates an array of bytes like I am trying to demonstrate because the DLL is looking for that byte array of size 24 in each dimension. How can I accomplish this?

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• VSS Analyze - Access to file [filename] is denied

  - by AJ

  Our VSS database appears to be horribly out of shape. I've been trying to archive and run "analyze" and keep getting "Access to file [filename] is denied. The file may be read-only, may be in use, or you may not have permission to write to the file. Correct this problem and run analyze again." No one is logged into SourceSafe (including myself) and I'm running the analyze utility from the VS command prompt as follows: analyze -v -f -bbackuppath databasepath I get similar errors if I try and create project archives from the ssadmin tool. The database is on a network share, and we're running VSS 2005 v8.0.50727.42. I'd love to be able to do this, as it would be a first step in a move away from VSS. Thanks in advance. More Info Every time I run analyze, the file that spawns the access denied message changes. It's almost as if running analyze unlocks that file so that the next time I get through to the next one.

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• DBA's say no to SQL Server DTC?

  - by NabilS

  I am trying to get our DBA's to enable DTC on a cluster of SQL Server 2005. Unfortunately they keep refusing. Their argument that they would need to set up a dedicated host for DTC (Could take months!!) as it is not a matter of ticking a few boxes. Is this true? How intrusive is DTC on a shared environment such as a SQL farm. Do I have an argument against this? Thanks

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• Can I have a type that's both, covariant and contravariant, i.e. fully fungible/changeable with sub

  - by Water Cooler v2

  Just a stupid question. I could try it out in 2 minutes, really. It's just that I have 1 GB RAM and have already got 2 instances of VS 2010 open on my desktop, with an instance of VS 2005, too. Opening another instance of VS 2010 would be an over kill. Can I have a type (for now forgetting its semantics) that can be covariant as well as contravariant? For e.g. public interface Foo<in out T> { void DoFooWith(T arg); } Off to Eric Lippert's blog for the meat and potatoes of variance in C# 4.0 as there's little else anywhere that covers adequate ground on the subject.

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• Recordset Update errors when updating sql_variant field

  - by Stephen Nutt

  I'm using C++ and ADO to add data to a SQL Server 2005 database. When calling the Recordset Update method for a sql_variant column I'm getting the error DB_E_ERRORSOCCURRED and the error message Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work was done. If the value I'm adding is NULL all works fine and all values going to the fields that are not sql_variant types work. Does anyone know what I might be doing wrong? Thanks [Edit] I have some more information. The value we are storing is the empty string - ADO appears to want to store this in the sql_variant as a nchar(0), which of course is not a valid SQL data type. Is there a way to get an empty string in a sql_variant using the ADO batch commands?

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• FastObjects.NET(is an OODB from Versant) performence in Real Scenerios?

  - by Lalit

  FastObjects.NET Saves the whole class object(if marked with attribute Persistent) at once in file system(using serilization or similar technology). They are promissing that it is even faster then normal SQL DB approach. My team also thought it is better and faster to save the whole object once instead of each field one by one. Defination of their website: FastObjects .NET 10.0 fully conforms to the Microsoft.NET 2.0 framework. Tightly integrated with Visual Studio 2005, it offers a developer-friendly, object-oriented alternative to a relational database for .NET persistence. I want to have your experiences of using FastObjects in production scenerio? They are promising for Indexing/Transaction/clustoring/replication.

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• SQL alert for a stored procedure?

  - by superdupersomething

  I have a SQL 2005 setup and am rather new :) Been cracking at this for a few hours and I just need some help. I have been able to setup alerts successfully for the standard "SQL server performance events", its fun. So I already have email alerts working. However I need the alert thing to run a stored procedure I have created, and depending on its output it will alert me or not via email. So far I have been trying to use the WMI events, but I keep getting an error "The @wmi_query could not be executed in the @wmi_namespace provided. Verify that an event class selected in the query exists in the namespace and that the query has the correct syntax" the query definitely works so I have no idea.. is there a different way to do this?

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• ASP: using existing Crystal Report with date parameter

  - by eric3141

  I have an existing Crystal Report done in Crystal Reports version 9. I need to display it via an ASP website created in Visual Studio 2008. I have put the Crystal data source and viewer controls on the design page and configured the controls to use the crystal report but cannot seem to figure out how to pass a date to the report which uses it as an input parameter for a SQL Server 2005 stored procedure. I have tried putting a calendar control on the design page but don't know how to use it to pass the date parameter. Thanks in advance for any help. Eric

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• UI to allow 700+ multiple choices

  - by Refracted Paladin

  In my desktop .NET application I have written(for internal use) where I need to allow my users to apply diagnosis's to a Member Plan. There are currently 700 in the system and growing. I need to allow them to add multiple diapnosis's at once. I currently am allowing this through a combo check list box. This works but is INSANELY unweildly for both myself and the users. What I am looking for is a how I could go about displaying these to the users. Ideally I would need to show two criteria for each each as well. Diagnosis Name and Diagnosis Code Ideas? How would you tackle this? I am using .Net 3.5sp1 and SQL 2005 for the backend. I don't care if the solution is WPF or Winforms.

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• Deploying WPF applications with SQL Server

  - by SiN

  Ok so I'm developing a WPF application that makes heavy use of SQL Server. I've been asked to create an installer package that checks whether the client already has SQL Server Express 2005 already installed, his operating system (64bit Vs x86) and install the required SQL Server instance if needed. I'm then required to automatically map my App.config's connection string to the SQL Server's connection string and run a script to create my database. Is it just me, or does this look like a lot of hard work? Any idea where to start? Edit: Ok should I move to SQL Server Compact edition? Thanks!

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• Programmatically Setting the Version of a Window's Service on the ProjectInstaller

  - by user302004

  I have a Windows Service created in Visual Studio 2005 in C#. I have a setup project and a ProjectInstaller class. I also have code to programmatically get the version from the AssemblyFileVersionAttribute. I need to figure out where I set the version that I've obtained (and where this code should go). I tried placing it in the InitializeComponent method on ProjectInstaller.Designer.cs and then appending the version to serviceInstaller1.DisplayName and serviceInstaller1.ServiceName. This didn't work and you're not supposed to modify the contents of this method. Any ideas?

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• alias not working on sql server 2008 r2

  - by Saba

  I have several servers with SQL Server 2008 R2 instances on them, and alias doesn't work on any of them. Clients connect to these servers using TCP/IP without any problem, telnet works on IP/Port I use for my alias, the firewall exceptions are created, basically everything works fine, except when I create an alias, I can not connect through it to my server using either TCP/IP or named pipes (local or one of other servers). I've installed latest cumulative updates, which updates native client too (which I think is the source of problem) and I still have the problem. The stranger part is, if I create an alias on a server with sql server 2005 (native client 9), I can connect to my 2008 r2 instances. Any suggestions?

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• .NET CF 2.0: Stream implements IDisposable ... kind of?

  - by mvanbem

  I've run into something odd in a .NET CF 2.0 project for Pocket PC 2003 (Visual Studio 2005). I was dealing with a System.IO.Stream object and found that the IDE wouldn't auto-complete the Dispose() method. I typed it in manually and received: 'System.IO.Stream.Dispose(bool)' is inaccessible due to its protection level The error is referring to the protected Dispose(bool) method. Dispose() is either private or not present. Question 1: How is this possible? Stream implements IDisposable: public abstract class Stream : MarshalByRefObject, IDisposable ... and IDisposable requires a Dispose() method: public interface IDisposable { void Dispose(); } I know the compiler won't let me get away with that in my code. Question 2: Will I cause problems by working around and disposing my streams directly? IDisposable idisp = someStream; idisp.Dispose(); The implicit cast is accepted by the compiler.

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• JAVA Menu Dimension

  - by ikurtz

  greetings. im am trying to learn JAVA/Swing, today is my first day. i have been able to set up a menu n my test application. but the item occupy very little space ie they are narrow. how do i go about extendng the amount of space it uses? screenshot can be view at the following URL: http://www.freeimagehosting.net/image.php?087aa4c9dc.jpg i am studying Teach Yourself Java 6 in 21 Days 5th Ed, Java Swing, 2nd Edition, 2002 and Teach Yourself Programming With Java In 24 Hours, 4th Edition (2005) bu none of them shed any light on this issue. thank you for your time.

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• Application start in global.asax

  - by Zerotoinfinite

  Hi experts, I am developing my application in asp.net 3.5 and sql server 2005, and I want to record the visitor info into my database, like once the visitor enter my website, I'll insert his browser details to the database. [It's not necessary that visitor login my website]. Now I am confused where to put my code, If I put insert function in every page_load then on every page it will execute and I'll not be able to get the exact number of visitor, visited my website. Shall I go with application_start in Global.asax ?? Please help.

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• Copying just the data from one Database to another

  - by monksy

  I'm not sure if this is the site for this question or not [if so put in the comment or vote to move it] How can I copy only the data from one database to another within the same server on SQL Server 2005? The two databases have the same schema but not the same data. I'm trying to get the data from one database to another. I am not able to restore from a snapshot [that screws over the security settings on the database]. I'm not able to use the import data wizard, because that is trying to copy over schema data as well.

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• Finding employees specific to department in SQL SERVER 2000(SET BASED)

  - by xyz

  Suppose I have a table (tblEmp) whose structure is like as under Dept Emp d1 e1 d1 e2 d1 e3 d2 e4 d2 e5 d3 e6 If I need to bring the output as Dept DepartmentSpecificEmployees d1 e1,e2,e3 d2 e4,e5 d3 e6 I will write the query as select Dept, stuff((select Emp + ',' from tblEmp t2 where t1.Dept = t2.Dept for xml path(''),1,1,'')DepartmentSpecificEmployees from tblEmp t1 group by Dept But this will work in Sql Server 2005+. How can I achieve the same in Sql Server 2000 without any variable declaration or loop or cursor? If I use COALESCE as an alternative, then I need to use a variable which will defeat the purpose Please help

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• why is this legal, c++ typedef func

  - by acidzombie24

  i did this in msvc 2005. typedef void (*cleanup_t)(); void func(cleanup_t clean) { cleanup_t(); } Why does this compile? and not give me a warning? ok, it gave me a unreferenced formal parameter warning but originally i did this when clean was in a class no there was no unreferenced formal parameter when this code gave me problems. What is cleanup_t(); really doing and what is the point? now for laughs i tried int() and that worked also.

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• SQL and multiple statements in stored procedure

  - by Sjemmie

  I'm working on SQL server 2005 and I have a very simple stored procedure: create PROCEDURE [dbo].[tblTabel_Insert] @ID int, @Code nvarchar(50) = null AS SET NOCOUNT ON; IF EXISTS (SELECT ID, code FROM tblTabel WHERE ID = @ID and code = @Code) UPDATE tblTabel SET ID = @ID,code = @Code WHERE ID = @ID ELSE BEGIN INSERT INTO tblTabel (ID,code) VALUES ( @ID ,@Code); END My question is: is it posible to have multiple queries in my stored procedure ? I want to add the lines UPDATE tblTabelB SET ID = @ID,code = @Code WHERE ID = @ID UPDATE tblTabelC SET ID = @ID,code = @Code WHERE ID = @ID in my if exists section. How do I change my stored procedure in the correct way ?

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• Issue with InstalShield

  - by Alnahas

  I Use Installsheild 2009 To Deployment VS2005 Project with Sql express 2005 DB I put my exe and DB files And I typed "/qn SQLAUTOSTART=1 ADDLOCAL=ALL DISABLENETWORKPROTOCOLS=1" in command line to Make Silent Install My problem is that after I build this project and I try using it, it only works if the computer has the requirements just by one click. But if computer needs these requirements after installation, the user must click again on the setup icon to finish the setup. So first click to install requirements and second click to install my project I need the progress does not stop until all the installation is done (the needed requirements and my project)

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• Best Book for a new Database Developer

  - by John

  We have just had a graduate join the team with the end aim of assisting out our very busy DBA. He has only a basic SQL knowledge from his degree so we are looking for a really good getting started book preferably based on MS SQL server. Purchase Update: Thanks to the replies we have now purchased Head First SQL to review what he already knows and Beginning SQL Server 2005 Programming to enhance these skills. Further down the page you can see my full review of the books for our needs. However still feel free to post more books as others may find them useful!

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• Linq to SQL DateTime values are local (Kind=Unspecified) - How do I make it UTC?

  - by ericsson007

  Isn't there a (simple) way to tell Linq To SQL classes that a particular DateTime property should be considered as UTC (i.e. having the Kind property of the DateTime type to be Utc by default), or is there a 'clean' workaround? The time zone on my app-server is not the same as the SQL 2005 Server (cannot change any), and none is UTC. When I persist a property of type DateTime to the dB I use the UTC value (so the value in the db column is UTC), but when I read the values back (using Linq To SQL) I get the .Kind property of the DateTime value to be 'Unspecified'. The problem is that when I 'convert' it to UTC it is 4 hours off. This also means that when it is serialized it it ends up on the client side with a 4 hour wrong offset (since it is serialized using the UTC).

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