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• How to convert DateTime string into a Format string

  - by AMissico

  With .NET, I have "Thursday, April 10, 2008 1:30:00 PM" and I want "dddd, dd MMMM, yyyy h:m:s t", "6:09:01 PM" and want ""hh:mm:ss tt", "Fri 29 Aug" and want "ddd d MMM", and so on. It seems I should be able to use DateTimeFormatInfo in some way. I figured I can format the date with each pattern returned by GetAllDateTimePatterns, and when the original date string and the formated date string match then I have the format. Yet, I want to generate custom formats, not the standard formats. I want the format string. I do not want the date. I have both the DateTime value and the formatted string value for the date. I need <formatString> as in ToString(<formatString>).

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• Why does my Excel add-in only half work?

  - by Dan Crowther

  I've created an Excel add-in using Visual Studio 2008. It has a ribbon, a bunch of panes and code that adds sheets and ranges and gets information scraped from a web page. When I run it on my dev PC it works perfectly. I used the Publish command to publich it and installed on a Windows XP virtual PC. The installation seemed fine and when I open Excel I see my ribbon. If I click a button that shows a pane, up pops the pane. If I enter some details into the pane that should create a range and populate it with data from a web page, the range is created but the web page is not visited (I have tested that I have connectivity). One of my buttons adds a hidden worksheet and another displays or hides that sheet. One of these buttons is not working. I've tried everything I can think of. I'm wondering if there are any permissions or trust issues I need to deal with?

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• Running BlogEngine.NET with ASP.NET MVC under same website?

  - by Raj Aththanayake

  Hi Can anyone please help me with this? I have a Windows 2008 server and MVC 2.0 site is hosted under IIS 7.0 root directory. The site works fine. I want to use the BlogEngine.NET with my site. For example if my mite name is http:// mysite.com (which is the root of IIS) and the blog should be http://mysite.com/blog/Default.aspx Is this possible? Can I create a sub virtual directory within my root (where the MVC 2 app is hosted) and run the ASP.NET BlogEngine.Net in it? Any ideas appreciated.

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• Display continuous dates in Pivot Chart

  - by Douglas

  I have a set of data in a pivot table with date times and events. I've made a pivot chart with this data, and grouped the data by day and year, then display a count of events for each day. So, my horizontal axis goes from 19 March 2007 to 11 May 2010, and my vertical axis is numeric, going from zero to 140. For some days, I have zero events. These days don't seem to be shown on the horizontal axis, so 2008 is narrower than 2009. How do I display a count of zero for days with no events? I'd like my horizontal axis to be continuous, so that it does not miss any days, and every month ends up taking up the same amount of horizontal space. (This question is similar to the unanswered question here, but I'd rather not generate a table of all the days in the last x number of years just to get a smooth plot!)

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• Outlook Macro not executing

  - by Tim

  Hello all, we are using an an outlook macro for incoming emails to unzip the attachments, log them in sql server and copy them to a special working folder where a windows service processes them. The problems are: the user must be logged in at the server otherwise the macro wont run. I think there is no workaround for this. whenever a modal dialog pops up in outlook and waits for user input, the macro wont execute either (f.e. AutoArchive) I have stopped AutoArchiving all x-days in the options. Because its a productive environment, are there other possible windows preventing the macro to execute, which i must disable now? Our outlook-macro solution surely is not the best because of above problems. Are there better alternatives to read emails, unzip attachments and move them to a working folder? My language is VB.Net and server OS is windows 2008. Regards, Tim

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• ASP.NET aspxerrorpath in URL

  - by theog

  I have a site where I use CustomErrors in the web.config to specify a custom error page, and that's working just fine. The custom 404 page is also specified in the IIS configuration (because if it's not, I don't get my custom 404 page). But I have some logic that kicks in if a user gets a 404 that looks at their requested URL and make a navigation suggestion, if appropriate. This logic relies on the aspxerrorpath value. On my development PC, the aspxerrorpath is correctly appended to the URL, like so: http://localhost:3092/FileNotFound.aspx?aspxerrorpath=/badpage.aspx, but on my test site, there's no aspxerrorpath appended to the URL, so all of my custom logic is bypassed and my suggestions don't work. I'm not sure if this is an IIS config issue or something else. The web server is Windows Server 2008 with IIS 7. Any thoughts? Many Thanks.

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• Tortoise SVN Icon Overlays Displaying Everywhere...Why?

  - by jwalkerjr

  Update: So, this turns out to have nothing to do with Tortoise SVN. I use Mozy.com for off-site backups and their new version includes these icon overlays. They can be disabled via the config options...or see here http://forum.pcmech.com/showthread.php?p=1385433. Thanks @OS for the answer. Been using Tortoise SVN for some time on my Vista box. Within the last few days (and after recently upgrading to 1.5.4) the icon overlays are displaying on all files. My exclude path is: * My include paths are: C:\Users\jw\Documents\Visual Studio 2008\Projects\SVNProjects* C:\Users\jw\Documents\VB Projects\SVNProjects* I haven't touched those settings in months. Any ideas? Help. Thanks.

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• Open C: Directly with `FileStream` without `CreateFile` API

  - by DxCK

  I trying to open C: directly with FileStream without success: new FileStream("C:", FileMode.Open, FileAccess.Read, FileShare.ReadWrite); System.UnauthorizedAccessException was unhandled Message="Access to the path 'C:\' is denied." Source="mscorlib" StackTrace: in System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) in System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy) in System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy) in System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) in ReadingMftNewTest.Program.Main(String[] args) in D:\CS\2008\ReadingMftNewTest\ReadingMftNewTest\Program.cs:line 76 Note that i openning "C:" but the error says "C:\", where did this slash came from? :\ Is there any chance to open C: without using the CreateFile API? I really don't want be depending on WIN32 API because this code should also run on Mono that dont support WIN32 API, but successfully openning devices with regular FileStream (Mono 1 Microsoft 0).

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• WCF client proxy initialization

  - by 123Developer

  I am consuming a WCF service and created its proxy using the VS 2008 service reference. I am looking for the best pattern to call WCF service method Should I create the client proxy instance every time I call the service method and close the client as soon as I am done with that? When I profiled my client application, I could see that it is taking lot of time to get the Channel while initializing the proxy client Should I use a Singleton pattern for the client proxy so that I can use the only once instance and get rid of the re-initializing overhead? Is there any hidden problem with this approach? I am using .Net framework 3.5 SP1, basicHttp binding with little customization.

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• SQL Server - Storing multiple decimal values in a column?

  - by cshah

  I know storing multiple values in a column. Not a good idea. It violates first normal form --- which states NO multi valued attributes. Normalize period... I am using SQL Server 2005 I have a table that require to store lower limit and uppper limit for a measurement, think of it as a minimum and maximum speed limit... only problem is only 2 % out of hundread i need upper limit. I will only have data for lower limit. I was thinking to store both values in a column (Sparse column introduces in 2008 so not for me) Is there a way...? Not sure about XML..

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• System.Web.AspNetHostingPermission Exception on New Deployment

  - by Jason N. Gaylord

  I have a friend that is moving a web application from one server over to another. The new server has the same settings as the first server, however, he's running into a Security issue. Here's the error details: Request for the permission of type 'System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. The Event Viewer does not point to anything specific in the web.config file or anything. The web applicaiton is on the C: drive. This is a Windows Server 2008 R2 x64 server with a brand new IIS 7 installation. IIS is set in classic mode for this app pool.

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• VB6 ADODB Fails with SQL Compact: Multipe-Step operation generated errors

  - by Belliez

  Hi, I am converting an old application to use SQL Compact database (it works ok with SQ Server 2005 and 2008) and using the following code gives an error when attempting to execute a simple select command: Private Const mSqlProvider As String = "Provider=Microsoft.SQLSERVER.CE.OLEDB.3.5;" Private Const mSqlHost As String = "Data Source=C:\database.sdf;" Private mCmd As ADODB.Command ' For executing SQL' Private mDbConnection As ADODB.Connection Private Sub Command1_Click() Dim DbConnectionString As String DbConnectionString = mSqlProvider & _ mSqlHost Set mDbConnection = New ADODB.Connection mDbConnection.CursorLocation = adUseClient Call mDbConnection.Open(DbConnectionString) If mDbConnection.State = adStateOpen Then Debug.Print (" Database is open") ' Initialise the command object' Set mCmd = New ADODB.Command mCmd.ActiveConnection = mDbConnection End If mCmd.CommandText = "select * from myTable" mCmd.CommandType = adCmdText mCmd.Execute ' FAILS HERE! ' End Sub I have referenced Microsoft ActiveX Data Access Object 6.0 Library in the project. The error I get is: Run-Time error -2147217887 (80040e21) Multipe-Step operation generated errors. Check each status value Just wondering if anyone has any suggestions? Thanks

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• Do you have to install the REST starter kit in asp.net to access APIs?

  - by jonhobbs

  Hi, I'm currently trying to access a REST API for the first time using visual web developer 2008 express edition. Every article I have found says you have to install the WCF REST starter kit which is a .msi file, which would suggest that I have to install it on my machine and presumably our server too. My question is this. Is there a non installable version that I can use, e.g. just by dropping DLLs into the Bin directory and then using the classes contained. Or is there more to it than that and am I just getting very confused about how it works? Jon

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• Entity Framework 4: Inheritance and Optimistic Concurrency

  - by Mohammadreza

  Hi guys, I'm using AdventureWorks 2008 R2 database and added the BusinessEntity and Person tables to my EDMX. Then I changed the model in which the Person table inherits from the BusinessEntity table. As you may know these two tables have ModifiedDate and rowguid columns so the Person class should not have these properties because it inherits them from the BusinessEntity class. My question is, how can I modify the model to support inheritance and optimistic concurrency on both Person and BusinessEntity classes/tables on ModifiedDate property/column. PS. It also get me an error message that I have asked here. Thanks

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• Web service reference location?

  - by Damien Dennehy

  I have a Visual Studio 2008 solution that's currently consisting of three projects: A DataFactory project for Business Logic/Data Access. A Web project consisting of the actual user interface, pages, controls, etc. A Web.Core project consisting of utility classes, etc. The application requires consuming a web service. Normally I'd add the service reference to the Web project, but I'm not sure if this is best practice or not. The following options are open to me: Add the reference to the Web project. Add the reference to the Web.Core project, and create a wrapper method that Web will call to consume the web service. Add a new project called Web.Services, and copy step 2. This project is expected to increase in size so I'm open to any suggestions.

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• C# MessageBox Error Messages

  - by Jim Fell

  Hello. In my application I am using message boxes to display error information. try { // Something... } catch (SystemException ex) { MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } This was fine at first, but as my program grows it becomes increasingly difficult to find the try-catch block where this error is generated. Is there a way to display the line of code or function in which the error was generated? I am using Microsoft Visual C# 2008 Express Edition. Thanks.

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• Is there a free (as in beer) Flow chart generator for COBOL Code?

  - by btelles

  Hi I've never read COBOL in my life and have been tasked with rewriting the old COBOL code in a new language. Are there any free or free-to-try software packages out there that will generate a flow chart for a COBOL program? I've looked at "Visustin" and "Code Visual to Flowchart" Visustin blanks out part of the code and does random rotations in the demo version, which causes the demo to be less accurate. I couldn't get Code Visual Flow Chart to work correctly with our code. Know of any other packages I might try?

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• Employing elegance in order to evade importing elephants: a case of excessive dll Imports

  - by user994179

  I am writing C# code that interfaces to a legacy (Feb 2012) C program, using DllImport. It works fine, but I need to call more than 30 different functions, turning my normally impeccable, exquisite code into something of near-elephantine proportions. Surely there must be a way around this? [Warning: those with weak stomachs may want to avert their eyes from what follows]: [DllImport("C:\\Users\\mitt\\Documents\\Visual Studio 2010\\Projects\\mrSolution\\mr\\x64\\Debug\\mrDll.dll", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)] public static extern bool mrEngine_initialize( [In, Out, MarshalAs(UnmanagedType.LPStruct)] PLOT_SPEC PlotSpec); [DllImport("C:\\Users\\mitt\\Documents\\Visual Studio 2010\\Projects\\mrSolution\\mr\\x64\\Debug\\mrDll.dll", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)] public static extern bool mrEngine_getDataPoint( [In, Out, MarshalAs(UnmanagedType.LPStruct)] PLOT_SPEC PlotSpec);

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• How To Make NHibernate Automatically change an "Updated" column

  - by IanT8

  I am applying NHibernate to an existing project, where tables and columns are already defined and fixed. The database is MS-SQL-2008. NHibernate 2.1.2 Many tables have a column of type timestamp named "ReplicationID", and also a column of type datetime named "UpdatedDT". I understand I might be able to use the element of the mapping file to describe the "ReplicationID" column which will allow NHibernate to manage that column. Is it possible to make NHibernate automatically update the UpdatedDT column when the row is updated? I suppose I could try mapping the UpdatedDT property to be of type timestamp, but that have other side effects.

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• Any clever way to fix 'string or binary data would be truncated' warning with LINQ

  - by Simon_Weaver

  Is there a clever way to determine which field is causing 'string or binary data would be truncated' with LINQ. I've always ended up doing it manually by stepping through a debugger, but with a batch using 'SubmitChanges' I have to change my code to inserting a single row to find the culprit in a batch of rows. Am I missing something or in this day and age do I really have to still use a brute force method to find the problem. Please dont give me advice on avoiding this error in future (unless its something much cleverer than 'validate your data'). The source data is coming from a different system where I dont have full control anyway - plus I want to be lazy. PS. Does SQL Server 2008 actually tell me the field name. Please tell me it does! I'll upgrade!

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• MySqlDataAdapter or MySqlDataReader for bulk transfer?

  - by Jeff Meatball Yang

  I'm using the MySql connector for .NET to copy data from MySql servers to SQL Server 2008. Has anyone experienced better performance using one of the following, versus the other? DataAdapter and calling Fill to a DataTable in chunks of 500 DataReader.Read to a DataTable in a loop of 500 I am then using SqlBulkCopy to load the 500 DataTable rows, then continue looping until the MySql record set is completely transferred. I am primarily concerned with using a reasonable amount of memory and completing in a short amount of time. Any help would be appreciated!

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• Odd results when searching for numbers using IXSSO.Query

  - by Vic

  Hi, from classic asp on Windows 2008, using an IXSSO.Query, when searching for a string of numbers, for example 10000000001, I receive results that also include variations to this, like 10000000002 10000000003 and so on. If I change the first digit so the search string is 20000000001 I dont get anything. If I keep moving the last digit from my first example to the left, I keep getting hits until I reach the half way point when I get no results! So in other words 10000020000 will return results like in the first example but 10000200000 does not. This all sounds like to me that its doing a match on the first 6 characters and it ignores the rest... Here is relevant parts of the Set oQuery = Server.CreateObject("IXSSO.Query") oQuery.Catalog = SEARCH_CATALOG oQuery.Query = "@all " & searchstr Set oRS = oQuery.CreateRecordset("nonsequential") Anyone got any ideas and/or suggestions? Thanks, Vic.

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• Empty namespace using Linq Xml

  - by porum

  I'm trying to create a sitemap using Linq to Xml, but am getting an empty namespace attribute, which I would like to get rid of. e.g. XNamespace ns = "http://www.sitemaps.org/schemas/sitemap/0.9"; XDocument xdoc = new XDocument(new XDeclaration("1.0", "utf-8", "true"), new XElement(ns + "urlset", new XElement("url", new XElement("loc", "http://www.example.com/page"), new XElement("lastmod", "2008-09-14")))); The result is ... <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"> <url xmlns=""> <loc>http://www.example.com/page</loc> <lastmod>2008-09-14</lastmod> </url> </urlset> I would rather not have the xmlns="" on the url element. I can strip it out using Replace on the final xdoc.ToString(), but is there a more correct way?

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• Empty page instead of custom tomcat error page

  - by Alexander

  My setting: Apache 2.2 + Tomcat 6.0 @ Windows 2008 R2 64bit static webpages: / servlet: /foo tomcat and apache are connected by mod_jk 404.jsp is placed in tomcat\webapps\ROOT tomcat\conf\web.xml: <error-page> <error-code>404</error-code> <location>/404.jsp</location> </error-page> apache\conf\extra\httpd-ssl.conf: JkMount /foo/* worker1 JkMount /404.jsp worker1 When I open https://...../404.jsp my custom error page is displayed. But when I open https://...../foo/nonexisting.html an empty page is displayed. If I remove the <error-page>...</error-page> code from web.xml and open https://...../foo/nonexisting.html then tomcats own 404 is displayed. Any hints?

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• Use a folder of xml files as data source for nhibernate

  - by Bart Van Eyndhoven

  I'm going to start writing NUnit tests for a few classes in my project. A certain number of these classes use data gathered through nhibernate from a sql server 2008 database. The part of the program I'm about to test is very specific (and complicated). Therefore I have made a folder of xml files. Combined, the xml files could result in the database structure. I mean each xml file corresponds to a table in the database. The data in the xml files is also consistent with the database. Is there a way to use this folder of xml files as data source for nhibernate? I mean: can I use nhibernate to gather my test data (wich I have specifically chosen) instead of data from the database? In this way, I could usefully test this component without corrrupting the (test) database for future tests.

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