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• Documentation in Oracle Retail Merchandising System (RMS) and Oracle Retail Fiscal Management System (ORFM), Release 13.2.4

  - by Oracle Retail Documentation Team

  The Patch Release 13.2.4 of the Oracle Retail Merchandising System (RMS) and its module, Oracle Retail Fiscal Management (ORFM)  is now available from My Oracle Support. End User Documentation Enhancements The following summarize the highlights of changes made to the documentation in conjunction with the new Brazil-related functionality: Foundation chapter in the Oracle Retail Merchandising System (RMS)/Sales Audit (ReSA) Brazil Localization User GuideThis chapter was updated with a non-base Localization Flexible Attribution Solution (LFAS) section that addresses the addition of several new custom attributes to Items and Suppliers through non-base LFAS for Brazil; it also addresses the extension of the Retail Tax Integration Layer (RTIL) through the Oracle Retail Merchandising System (RMS), and Oracle Retail Fiscal Management System (ORFM).  ORFM User GuideThe Purchase Order chapter was updated to include schedule related updates for a Nota Fiscal. The Fiscal Documents chapter was updated to include information on creating a new NF and searching for details using Vendor Product Number. Oracle Retail Fiscal Management/RMS Brazil Localization Implementation GuideThe Implementation Checklist chapter was updated with a note on multi-currency functionality. The Batch Processes chapter was updated with information on the NF EDI batch. The following summarize the highlights of changes made to the documentation in conjunction with the new technical certifications (see the RMS 13.2.4 Release Notes for more information): Installation Guides for RMS and for ORFM/RMS BrazilThese installation guides were updated extensively to account for the multiple technical certification enhancements in 13.2.4. White Paper: How to Upgrade from WebLogic11g 10.3.3 to WebLogic11g 10.3.4  (Doc ID: 1432575.1)See the previous blog entry regarding this new White Paper. New Documents on My Oracle Support for Brazil Localization Overview and Interfaces Tax Vendor Integration (Doc ID: 1424048.1)Oracle chooses to integrate with a third party tax expert to delivery the Brazilian solution. Oracle has built the Retail Tax Integration layer (RTIL) as the key integration component to support the integration of Oracle suite of products with external tax vendors. This paper addresses the RTIL integration interfaces with TaxWeb, providing guidance on the typical integration interfaces and operations that must be supported by other tax solutions in the Brazilian market. Oracle Retail Fiscal Management/RMS Brazil Localization: Localization Flexible Attribute Solution (LFAS) (Doc ID: 1418509.1)The white paper covers the definition of custom attributes in Localization Flexible Attribute Solution (LFAS) and enables retailers to perform data conversion changes. Retailers can add several new custom attributes to Items and Suppliers through non-base LFAS for Brazil and extend Retail Tax Integration Layer (RTIL) through the Oracle Retail Merchandising System (RMS), and Oracle Retail Fiscal Management System (RFM). Documents Published in RMS and ORFM Release 13.2.4 Oracle Retail Merchandising System Release Notes Oracle Retail Merchandising System Installation Guide Oracle Retail Merchandising System User Guide and Online Help Oracle Retail Sales Audit (ReSA) User Guide and Online Help Oracle Retail Merchandising System Operations Guide Oracle Retail Merchandising System Data Model Oracle Retail Merchandising Batch Schedule Oracle Retail Merchandising Implementation Guide Oracle Retail POS Suite 13.4.1 / Merchandising Operations Management13.2.4 Implementation Guide Oracle Retail Fiscal Management Data Model Oracle Retail Fiscal Management/RMS Brazil Localization Installation Guide Oracle Retail Fiscal Management/RMS Brazil Localization Implementation Guide Oracle Retail Fiscal Management User Guide and Online Help

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• Explained: EF 6 and “Could not determine storage version; a valid storage connection or a version hint is required.”

  - by Ken Cox [MVP]

  I have a legacy ASP.NET 3.5 web site that I’ve upgraded to a .NET 4 web application. At the same time, I upgraded to Entity Framework 6. Suddenly one of the pages returned the following error: [ArgumentException: Could not determine storage version; a valid storage connection or a version hint is required.]    System.Data.SqlClient.SqlVersionUtils.GetSqlVersion(String versionHint) +11372412    System.Data.SqlClient.SqlProviderServices.GetDbProviderManifest(String versionHint) +91    System.Data.Common.DbProviderServices.GetProviderManifest(String manifestToken) +92 [ProviderIncompatibleException: The provider did not return a ProviderManifest instance.]    System.Data.Common.DbProviderServices.GetProviderManifest(String manifestToken) +11431433    System.Data.Metadata.Edm.Loader.InitializeProviderManifest(Action`3 addError) +11370982    System.Data.EntityModel.SchemaObjectModel.Schema.HandleAttribute(XmlReader reader) +216 A search of the error message didn’t turn up anything helpful except that someone mentioned that the error messages was bogus in his case. The page in question uses the ASP.NET EntityDataSource control, consumed by a Telerik RadGrid. This is a fabulous combination for putting a huge amount of functionality on a page in a very short time. Unfortunately, the 6.0.1 release of EF6 doesn’t support EntityDataSource. According to the people in charge, support is planned but there’s no timeline for an EntityDataSource build that works with EF6.  I’m not sure what to do in the meantime. Should I back out EF6 or manually wire up the RadGrid? The upshot is that you might want to rethink plans to upgrade to Entity Framework 6 for Web forms projects if they rely on that handy control. It might also help to spend a User voice vote here:  http://data.uservoice.com/forums/72025-entity-framework-feature-suggestions/suggestions/3702890-support-for-asp-net-entitydatasource-and-dynamicda

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• Could not load type System.Configuration.NameValueSectionHandler

  If you upgrade older .NET sites from 1.x to 2.x or greater, you may encounter this error when you have configuration settings that look like this: <section name="CacheSettings" type="System.Configuration.NameValueFileSectionHandler, System"/> Once you try to run this on an upgraded appdomain, you may encounter this error: An error occurred creating the configuration section handler for CacheSettings: Could not load type 'System.Configuration.NameValueSectionHandler' from assembly 'System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. Microsoft moved a bunch of the Configuration related classes into a separate assembly, System.Configuration, and created a new class, ConfigurationManager.  This presents its own challenges which Ive blogged about in the past if you are wondering where ConfigurationManager is located.  However, the above error is separate. The issue in this case is that the NameValueSectionHandler is still in the System assembly, but is in the System.Configuration namespace.  This causes confusion which can be alleviated by using the following section definition: <section name="CacheSettings" type="System.Configuration.NameValueSectionHandler, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" /> (you can remove the extra line breaks within the type=) With this in place, your web application should once more be able to load up the NameValueSectionHandler.  I do recommend using your own custom configuration section handlers instead of appSettings, and I would further suggest that you not use NamveValueSectionHandler if you can avoid it, but instead prefer a strongly typed configuration section handler. Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• New Study Guide: "Oracle Solaris 11 System Administration"

  - by Harold Green

  A new helpful resource for Solaris 11 exam preparation has just been released. "Oracle Solaris 11 System Administration" by author and educator Bill Calkins covers effective installation and administration of an Oracle Solaris 11 system. In addition to being a valuable, comprehensive study guide, the book also serves as a complete reference guide for the everyday tasks of an Oracle Solaris System Administrator. This book can be a valuable addition to your preparation for the Oracle Solaris 11 Advanced System Administration (1Z1-822) certification exam. This exam, combined with the Oracle Certified Associate, Oracle Solaris 11 System Administrator (OCA) certification and a training requirement will earn you the Oracle Certified Professional, Oracle Solaris 11 System Administrator (OCP) certification. This valuable credential is designed for Oracle Solaris System Administrators with a strong foundation in the Oracle Solaris 11 Operating System as well as a fundamental understanding of the UNIX operating system, commands and utilities. This certification covers topics on core elements such as: configuring network interfaces, managing swap configurations, crash dumps, and core files. The 822 exam is currently in beta at the greatly discounted rate of $50 USD, but the beta period will soon be closing (likely the end of this month/June 2013), so be take advantage of the opportunity to be one of the first to hold this new certification.  Bill Calkins also recently posted some tips for taking Oracle Solaris 11 certification exams.

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• xorg-edgers PPA with llvmpipe breaks AMD APU system

  - by linux_RRT

  I've read before where this had happened to another user with the same system... I was running Ubuntu 12.04 LTS with Kernel 3.2.0.29 and decided to give xorg-edgers a try. I purged fglrx* and xorg* before beginning. I upgraded with sudo apt-get upgrade -d The system downloaded and installed 109MB worth of data to the system, including llvmpipe which I am very unfamiliar with, and Kernel 3.5.0.11. The system was then rebooted to finalize the upgrade. The system boots to a black screen and then tells me "The system is running in low-graphics mode". Did I miss a step in the install? Or do the newest open-source drivers just not work with my hardware? I realize this hardware (APU) is some of the newer development. I dropped to command via the fallback menu and attempted to boot lightdm as root, but the system hangs in 'Configuring kernel parameters' at Starting initializes zram swaping. ...and then it just sits there. The other thing that concerns me is the output at the top of the screen that says: could not write bytes: Broken pipe Does llvmpipe work for this type of system? To be clear the system is: MSI x370-206us Laptop Radeon HD 6320 AMD e450 APU 1.67ghz dual-core Any help would be much appreciated. Like I said, I'm pretty sure I followed the right order of operations for the install procedure, but I was curious if anyone with similar hardware had experienced anything similar.

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• Areas of support needed when attempting to roll out a new software system

  In general, I think most people tend to be resistant to new systems or even change because they fear the unknown. Change means that their normal routine will be interrupted until they can learn to conform to the new routine due to the fact that it has transformed to the old routine. In addition, the feeling of failure is also generates a resistance to change. Why would a worker want to move from a process that has worked successfully for them in the past? Their fears over shadow any benefits a change in a new system or business process will bring to their work life. Areas of support needed when attempting to roll out a new software system: Executive/Upper Management Support If there is no support from the top of an organization how will employees be supportive of the new system? Proper Training Employees need to train on a new system prior to its rollout. The more training employee’s receive on any new system will directly impact how comfortable they will be with the system and are more accepting of the change because they can see how the changes will benefit them. Employee Incentives One way to re-enforce the need for employees to use a new system is to offer incentives to ensure that the system will be used. Employee Discipline/Termination If employees are adamantly refusing to use the new system after several warnings then they need to be formally reprimanded.  If this does not work the employer is forced to replace the employees.

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• How would I define "GetDataFromNumber" so that my class contains a definition?

  - by JB

  My code gets an error saying: 'Eagle_Eye_Class_Finder.GetSchedule' does not contain a definition for 'GetDataFromNumber' and no extension method 'GetDataFromNumber'. using System; using System.IO; using System.Data; using System.Text; using System.Drawing; using System.Data.OleDb; using System.Collections; using System.Windows.Forms; using System.ComponentModel; using System.Drawing.Printing; using System.Collections.Generic; namespace Eagle_Eye_Class_Finder { /// This form is the entry form, it is the first form the user will see when the app is run. /// public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.ProgressBar progressBar1; private System.Windows.Forms.PictureBox pictureBox1; private System.Windows.Forms.Button button2; private System.Windows.Forms.DateTimePicker dateTimePicker1; private IContainer components; private Timer timer1; private BindingSource form1BindingSource; public static Form Mainform = null; // creates new instance of second form YOURCLASSSCHEDULE SecondForm = new YOURCLASSSCHEDULE(); public Form1() { InitializeComponent(); // TODO: Add any constructor code after InitializeComponent call } /// Clean up any resources being used. protected override void Dispose(bool disposing) { if (disposing) { if (components != null) { components.Dispose(); } } base.Dispose(disposing); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.components = new System.ComponentModel.Container(); System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1)); this.textBox1 = new System.Windows.Forms.TextBox(); this.progressBar1 = new System.Windows.Forms.ProgressBar(); this.pictureBox1 = new System.Windows.Forms.PictureBox(); this.button2 = new System.Windows.Forms.Button(); this.dateTimePicker1 = new System.Windows.Forms.DateTimePicker(); this.timer1 = new System.Windows.Forms.Timer(this.components); this.form1BindingSource = new System.Windows.Forms.BindingSource(this.components); ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit(); ((System.ComponentModel.ISupportInitialize)(this.form1BindingSource)).BeginInit(); this.SuspendLayout(); // // textBox1 // this.textBox1.BackColor = System.Drawing.SystemColors.ActiveCaption; this.textBox1.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.form1BindingSource, "Text", true, System.Windows.Forms.DataSourceUpdateMode.OnValidation, null, "900456317")); this.textBox1.Location = new System.Drawing.Point(328, 280); this.textBox1.Name = "textBox1"; this.textBox1.Size = new System.Drawing.Size(208, 20); this.textBox1.TabIndex = 2; this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged); // // progressBar1 // this.progressBar1.Location = new System.Drawing.Point(258, 410); this.progressBar1.MarqueeAnimationSpeed = 10; this.progressBar1.Name = "progressBar1"; this.progressBar1.Size = new System.Drawing.Size(344, 8); this.progressBar1.TabIndex = 3; this.progressBar1.Click += new System.EventHandler(this.progressBar1_Click); // // pictureBox1 // this.pictureBox1.BackColor = System.Drawing.SystemColors.ControlLightLight; this.pictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image"))); this.pictureBox1.Location = new System.Drawing.Point(680, 400); this.pictureBox1.Name = "pictureBox1"; this.pictureBox1.Size = new System.Drawing.Size(120, 112); this.pictureBox1.TabIndex = 4; this.pictureBox1.TabStop = false; this.pictureBox1.Click += new System.EventHandler(this.pictureBox1_Click); // // button2 // this.button2.Font = new System.Drawing.Font("Mistral", 15.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.button2.Image = ((System.Drawing.Image)(resources.GetObject("button2.Image"))); this.button2.Location = new System.Drawing.Point(699, 442); this.button2.Name = "button2"; this.button2.Size = new System.Drawing.Size(78, 28); this.button2.TabIndex = 5; this.button2.Text = "OK"; this.button2.Click += new System.EventHandler(this.button2_Click); // // dateTimePicker1 // this.dateTimePicker1.Location = new System.Drawing.Point(336, 104); this.dateTimePicker1.Name = "dateTimePicker1"; this.dateTimePicker1.Size = new System.Drawing.Size(200, 20); this.dateTimePicker1.TabIndex = 6; this.dateTimePicker1.ValueChanged += new System.EventHandler(this.dateTimePicker1_ValueChanged); // // timer1 // this.timer1.Tick += new System.EventHandler(this.timer1_Tick); // // form1BindingSource // this.form1BindingSource.DataSource = typeof(Eagle_Eye_Class_Finder.Form1); // // Form1 // this.AcceptButton = this.button2; this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage"))); this.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch; this.ClientSize = new System.Drawing.Size(856, 556); this.Controls.Add(this.dateTimePicker1); this.Controls.Add(this.button2); this.Controls.Add(this.pictureBox1); this.Controls.Add(this.progressBar1); this.Controls.Add(this.textBox1); this.Name = "Form1"; this.Text = "Eagle Eye Class Finder"; this.Load += new System.EventHandler(this.Form1_Load); ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit(); ((System.ComponentModel.ISupportInitialize)(this.form1BindingSource)).EndInit(); this.ResumeLayout(false); this.PerformLayout(); } #endregion /// The main entry point for the application. [STAThread] static void Main() { Application.Run(new Form1()); } public void Form1_Load(object sender, System.EventArgs e) { } public void textBox1_TextChanged(object sender, System.EventArgs e) { //allows only numbers to be entered in textbox string Str = textBox1.Text.Trim(); double Num; bool isNum = double.TryParse(Str, out Num); if (isNum) Console.ReadLine(); else MessageBox.Show("Enter A Valid ID Number!"); } public void button2_Click(object sender, System.EventArgs e) { string text = textBox1.Text; Mainform = this; this.Hide(); GetSchedule myScheduleFinder = new GetSchedule(); string result = myScheduleFinder.GetDataFromNumber(text);<<<-----MY PROBLEM if (!string.IsNullOrEmpty(result)) { MessageBox.Show(result); } else { MessageBox.Show("Enter A Valid ID Number!"); } } public void dateTimePicker1_ValueChanged(object sender, System.EventArgs e) { } public void pictureBox1_Click(object sender, System.EventArgs e) { } public void progressBar1_Click(object sender, EventArgs e) { //this.progressBar1 = new System.progressBar1(); //progressBar1.Maximum = 200; //progressBar1.Minimum = 0; //progressBar1.Step = 20; } private void timer1_Tick(object sender, EventArgs e) { //if (progressBar1.Value >= 200 ) //{ //progressBar1.Value = 0; //} //return; //} //progressBar1.Value != 20; } } }

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• Is CodeFirst intended for large scale applications?

  - by RoboShop

  I've been reading up on Entity Framework, in particular, EF 4.1 and following this link ( http://weblogs.asp.net/scottgu/archive/2010/07/16/code-first-development-with-entity-framework-4.aspx) and it's guide on Code First. I find it neat but I was wondering, is Code First supposed to be just a solution for rapid development where you can just jump right in without much planning or is it actually intended to be used for large scale applications?

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• ORMs - Should DBAs just lighten up?

  - by simonsabin

  I did a presentation at DDD8 on the entity framework and how to stop your DBA from having a heart attack. You can find my demos and slide deck here http://sqlblogcasts.com/blogs/simons/archive/2010/01/30/Entity-Framework-how-to-stop-your-DBA-having-a-heart-attack.aspx Whilst at DDD Mike Ormond interviewed me about my view on ORMs and the battel between DBAs and Devs. To see what I said go tohttp://bit.ly/bnf1By

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• Two book reviews

  - by bipinjoshi

  I recently reviewed two books -  Programming Microsoft ASP.NET MVC, 2nd Edition and Programming Entity Framework - Code First. Here are the links to the complete reviews:Programming Microsoft ASP.NET MVC, 2nd Edition http://www.bipinjoshi.net/articles/43fcbd2d-2d44-4df7-9cf1-492eb63bc31a.aspx Programming Entity Framework - Code Firsthttp://www.bipinjoshi.net/articles/5e5ea033-a57e-436b-9b4c-e3638e8260b6.aspx  

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• How do I output/log the sql being executed behind the scenes by the Entity Framework in an asp .net

  - by baijajusav

  How do I output/log the sql being executed behind the scenes by the Entity Framework in an asp .net mvc application? In my case I'm using a Sql Server 2005 database. I found this question Linq to Sql logging, but I'm trying to figure out how to do this with the entity framework v1 and asp .net mvc 1.0. Any one have any ideas on how?

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• What is the new name of Microsoft.Data.Entity.Ctp?

  - by Anonymous Coward

  Hello Everyone I'm playing around with Entity Framework 4 and code only. The tutorial I'm following is using the Beta-Version of Visual Studio 2010 and is referring to Microsoft.Data.Entity.Ctp. Since I'm working with the final release of Visual Studio the name of the dll must have changed. Can somebody tell me how its name is now? Cheers, AC

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• Can anyone provide ball park estimates for creating a CRUD application with .NET 4.0 and Entity Fram

  - by JoeBlogs1999

  I have yet to use Entity Framework or .NET 4 so there will be a learning curve, but assuming good quality C# developers (who are yet to use Entity Framework and .NET 4.0), what would your ball park estimate be for say 50 pages containing text box, dropdowns and grids. Would it be around 1-2 days per page?

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• Is it possible to use separete ssdl, csdl and msl files for each Entity?

  - by JMSA

  Is it possible to use separete ssdl, csdl and msl files for each Entity in EntityFramework? That is, I want to modularize the mapping information. Note: EdmGen.exe tool stores the ssdl, csdl and msl information in respective files for all entities. Note: If anyone used NHibernate, he should be aware of the fact that, NHibernate uses separate mapping files for each entity. I want to do the same thing.

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• How to insert a large number of records quickly using ADO.Net Entity Model?

  - by esac

  I am using the ADO.Net Entity Model. Everytime I create a record, I am calling _entity.AddToTable(object); _entity.SaveChanges(); What is the fastest way of inserting the data? Is there any "batch" or "SqlBulkCopy" option for entity model?

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• How do I use an Entity Framework 4 model without a real database?

  - by Ivan

  I don't need any data to be stored. I'd like an application to start, create an Entity Framework entities container based on the model I've designed but having no data records in it, then generate some data (from user input and other input sources), work with it and discard all the data on close, without propagating any data operations made with EF contect to a real database hosted on server or in a file. How do I implement such a pattern? I use Entity Framework 4 and Visual Studio 2010.

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• Can I have Entity Framework and Linq-to-SQL run together?

  - by Shnitzel

  Hi, I'd like to know if it's possible to have both Linq-to-SQL and Entity Framework running side-by-side. Our current configuration is Linq-to-SQL and we'd like to eventually move to EF. But there's just too much going on in the Linq-to-SQL side right now and we'd like to do it in phases. so any chance we can just start writing new stuff in entity framework but leave the older stuff running as is? And is it worth it? Thanks!

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• Could not load file or assembly 'System.Data.SQLite'

  - by J. Pablo Fernández

  I've installed ELMAH 1.1 .Net 3.5 x64 in my ASP.NET project and now I'm getting this error (whenever I try to see any page): Could not load file or assembly 'System.Data.SQLite, Version=1.0.61.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139' or one of its dependencies. An attempt was made to load a program with an incorrect format. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.BadImageFormatException: Could not load file or assembly 'System.Data.SQLite, Version=1.0.61.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139' or one of its dependencies. An attempt was made to load a program with an incorrect format. More error details at the bottom. My Active Solution platform is "Any CPU" and I'm running on a x64 Windows 7 on an x64, of course, processor. The reason why we are using this version of ELMAH is because 1.0 .Net 3.5 (x86, which is the only platform for which it's compiled) gave us this same error on our x64 Windows server. I've tried compiling for x86 and x64 and I get the same error. I've tried removing the all compiler output (bin and obj). Finally I've made a reference to the SQLite dll directly, something that was not needed for the project to work on the server and I've got this compiler error: Error 1 Warning as Error: Assembly generation -- Referenced assembly 'System.Data.SQLite.dll' targets a different processor MyProject Any ideas what the problem might be? More error details: Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [BadImageFormatException: Could not load file or assembly 'System.Data.SQLite, Version=1.0.61.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139' or one of its dependencies. An attempt was made to load a program with an incorrect format.] System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) +0 System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) +43 System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +127 System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +142 System.Reflection.Assembly.Load(String assemblyString) +28 System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +46 [ConfigurationErrorsException: Could not load file or assembly 'System.Data.SQLite, Version=1.0.61.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139' or one of its dependencies. An attempt was made to load a program with an incorrect format.] System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +613 System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory() +203 System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo ai) +105 System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +178 System.Web.Compilation.BuildProvidersCompiler..ctor(VirtualPath configPath, Boolean supportLocalization, String outputAssemblyName) +54 System.Web.Compilation.ApplicationBuildProvider.GetGlobalAsaxBuildResult(Boolean isPrecompiledApp) +232 System.Web.Compilation.BuildManager.CompileGlobalAsax() +52 System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +337 [HttpException (0x80004005): Could not load file or assembly 'System.Data.SQLite, Version=1.0.61.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139' or one of its dependencies. An attempt was made to load a program with an incorrect format.] System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() +58 System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +512 System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters) +729 [HttpException (0x80004005): Could not load file or assembly 'System.Data.SQLite, Version=1.0.61.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139' or one of its dependencies. An attempt was made to load a program with an incorrect format.] System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +8896783 System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +85 System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +259

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• Exception with Linq2SQL Query

  - by Hadi Eskandari

  I am running a query using Linq2SQL that comes down to following query: DateTime? expiration = GetExpirationDate(); IQueryable<Persons> persons = GetPersons(); IQueryable<Items> subquery = from i in db.Items where i.ExpirationDate >= expiration select i; return persons.Where(p = p.Items != null && p.Items.Any(item => subquery.Contains(item))); When I evaluate the result of the function, I get a NullReferenceException and here's the stack trace. Any idea what I'm doing wrong?! Basically I want to select all the persons and filter them by item expiration date. at System.Data.Linq.SqlClient.SqlFactory.Member(SqlExpression expr, MemberInfo member) at System.Data.Linq.SqlClient.QueryConverter.VisitMemberAccess(MemberExpression ma) at System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) at System.Data.Linq.SqlClient.QueryConverter.Visit(Expression node) at System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) at System.Data.Linq.SqlClient.QueryConverter.VisitBinary(BinaryExpression b) at System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) at System.Data.Linq.SqlClient.QueryConverter.Visit(Expression node) at System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) at System.Data.Linq.SqlClient.QueryConverter.VisitBinary(BinaryExpression b) at System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) at System.Data.Linq.SqlClient.QueryConverter.Visit(Expression node) at System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) at System.Data.Linq.SqlClient.QueryConverter.VisitWhere(Expression sequence, LambdaExpression predicate) at System.Data.Linq.SqlClient.QueryConverter.VisitSequenceOperatorCall(MethodCallExpression mc) at System.Data.Linq.SqlClient.QueryConverter.VisitMethodCall(MethodCallExpression mc) at System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) at System.Data.Linq.SqlClient.QueryConverter.Visit(Expression node) at System.Data.Linq.SqlClient.QueryConverter.VisitContains(Expression sequence, Expression value) at System.Data.Linq.SqlClient.QueryConverter.VisitSequenceOperatorCall(MethodCallExpression mc) at System.Data.Linq.SqlClient.QueryConverter.VisitMethodCall(MethodCallExpression mc) at System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) at System.Data.Linq.SqlClient.QueryConverter.Visit(Expression node) at System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) at System.Data.Linq.SqlClient.QueryConverter.VisitQuantifier(SqlSelect select, LambdaExpression lambda, Boolean isAny) at System.Data.Linq.SqlClient.QueryConverter.VisitSequenceOperatorCall(MethodCallExpression mc) at System.Data.Linq.SqlClient.QueryConverter.VisitMethodCall(MethodCallExpression mc) at System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) at System.Data.Linq.SqlClient.QueryConverter.Visit(Expression node) at System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) at System.Data.Linq.SqlClient.QueryConverter.VisitBinary(BinaryExpression b) at System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) at System.Data.Linq.SqlClient.QueryConverter.Visit(Expression node) at System.Data.Linq.SqlClient.QueryConverter.VisitExpression(Expression exp) at System.Data.Linq.SqlClient.QueryConverter.VisitWhere(Expression sequence, LambdaExpression predicate) at System.Data.Linq.SqlClient.QueryConverter.VisitSequenceOperatorCall(MethodCallExpression mc) at System.Data.Linq.SqlClient.QueryConverter.VisitMethodCall(MethodCallExpression mc) at System.Data.Linq.SqlClient.QueryConverter.VisitInner(Expression node) at System.Data.Linq.SqlClient.QueryConverter.ConvertOuter(Expression node) at System.Data.Linq.SqlClient.SqlProvider.BuildQuery(Expression query, SqlNodeAnnotations annotations) at System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) at System.Data.Linq.DataQuery`1.System.Collections.Generic.IEnumerable.GetEnumerator() at System.Linq.SystemCore_EnumerableDebugView`1.get_Items()

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• what are the difficulties of operating system multithreading?

  - by ghedas

  I am reading a book that compares two ways of implementing threads, Middleware Threads and OS Threads. I have a question about these sentences: "A difficulty of operating system multithreading, however, is performance overhead. Since it is the operating system that is involved in switching threads, this involves system calls. These are generally more expensive than thread operations executed at the user level, which is where the transactional middleware is operating."

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• Installing .NET 3.5 SP1 on server broke WCF

  - by Doron

  I installed .NET 3.5 SP1 on server which previously had .NET 3.0 SP2. Before install site was working perfectly. After install and subsequeny server restart, site displays but anything that makes use of the WCF service has stopped working. The exception log reports exceptions like the following when any calls are made to the client proxy: The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communication because it is in the Faulted state. The server's application event log gave the following errors after the install: Configuration section system.serviceModel.activation already exists in c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Config\machine.config. Configuration section system.runtime.serialization already exists in c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Config\machine.config. Configuration section system.serviceModel already exists in c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Config\machine.config. which seems to be inline with the fact that anything WCF related has stopped working. I am not experienced in server configurations or WCF so looking for any assistance with this. Thanks!! From machine.config: <sectionGroup name="system.serviceModel" type="System.ServiceModel.Configuration.ServiceModelSectionGroup, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"> <section name="behaviors" type="System.ServiceModel.Configuration.BehaviorsSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> <section name="bindings" type="System.ServiceModel.Configuration.BindingsSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> <section name="client" type="System.ServiceModel.Configuration.ClientSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> <section name="comContracts" type="System.ServiceModel.Configuration.ComContractsSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> <section name="commonBehaviors" type="System.ServiceModel.Configuration.CommonBehaviorsSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowDefinition="MachineOnly" allowExeDefinition="MachineOnly"/> <section name="diagnostics" type="System.ServiceModel.Configuration.DiagnosticSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> <section name="extensions" type="System.ServiceModel.Configuration.ExtensionsSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> <section name="machineSettings" type="System.ServiceModel.Configuration.MachineSettingsSection, SMDiagnostics, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowDefinition="MachineOnly" allowExeDefinition="MachineOnly"/> <section name="serviceHostingEnvironment" type="System.ServiceModel.Configuration.ServiceHostingEnvironmentSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> <section name="services" type="System.ServiceModel.Configuration.ServicesSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </sectionGroup> <sectionGroup name="system.serviceModel.activation" type="System.ServiceModel.Activation.Configuration.ServiceModelActivationSectionGroup, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"> <section name="diagnostics" type="System.ServiceModel.Activation.Configuration.DiagnosticSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> <section name="net.pipe" type="System.ServiceModel.Activation.Configuration.NetPipeSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> <section name="net.tcp" type="System.ServiceModel.Activation.Configuration.NetTcpSection, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </sectionGroup> <sectionGroup name="system.runtime.serialization" type="System.Runtime.Serialization.Configuration.SerializationSectionGroup, System.Runtime.Serialization, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"> <section name="dataContractSerializer" type="System.Runtime.Serialization.Configuration.DataContractSerializerSection, System.Runtime.Serialization, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </sectionGroup> from site's web.config <sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere" /> <section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> </sectionGroup> </sectionGroup> </sectionGroup> . . . <system.serviceModel> <bindings> <wsHttpBinding> <binding name="WSHttpBinding_IService" closeTimeout="00:03:00" openTimeout="00:03:00" receiveTimeout="00:10:00" sendTimeout="00:03:00" bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="524288" maxReceivedMessageSize="131072" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false"> <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /> <reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" /> <security mode="Message"> <transport clientCredentialType="Windows" proxyCredentialType="None" realm="" /> <message clientCredentialType="Windows" negotiateServiceCredential="true" algorithmSuite="Default" establishSecurityContext="true" /> </security> </binding> </wsHttpBinding> </bindings> <client> <endpoint address="some address" binding="wsHttpBinding" bindingConfiguration="WSHttpBinding_IService" contract="some contact" name="WSHttpBinding_IService" /> </client> Pertinant Exception Section: Exception information: Exception type: TypeLoadException Exception message: Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.

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• Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data

  - by joebeazelman

  I created an assembly containing WCF service code and dropped into another web project. When I try to invoke a service method, I get the following inner exception: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. Why this is happening? My newly created assembly lives inside the ASP.NET /bin folder along with other assemblies. At this level, should the database not know or care whether it is being called from a web service or from a normal call? How would it know that my assembly is foreign? How do I resolve this issue?

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• I keep getting a "System InvalidOperationException occurred in System Windows Forms dll" error in VB

  - by Heartrent

  I've just started learning VB.NET with VS 9.0; a small application I'm working on keeps returning an "A first chance exception of type System InvalidOperationException occurred in System Windows Forms dll" error from the Immediate Window. The application has almost zero functionality so far, it consists of a menu strip with: File About |Open |Save |Save As |Quit The only code I have written opens an Open File dialog, a Save As dialog, an About window with background sound and an OK button, and the Quit button which exits. Since there is almost no code for me to search through, I can't understand why there would be an error. The program runs just fine when I'm debugging it too.

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• Customize Entity Framework SSDL &amp; SQL Generation

  - by Dane Morgridge

  In almost every talk I have done on Entity Framework I get questions on how to do custom SSDL or SQL when using model first development.  Quite a few of these questions have required custom changes to the SSDL, which of course can be a problem if it is getting auto generated.  Luckily, there is a tool that can help.  In the Visual Studio Gallery on MSDN, there is the Entity Designer Database Generation Power Pack. You have the ability to select different generation strategies and it also allows you to inject custom T4 Templates into the generation workflow so that you can customize the SSDL and SQL generation.  When you select to generate a database from a model the dialog is replaced by one with more options:   You can clone the individual workflow for either the current project or current machine.  The templates are installed at “C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\Extensions\Microsoft\Entity Framework Tools\DBGen” on my local machine and you can make a copy of any template there.  If you clone the strategy and open it up, you will get the following workflow: Each item in the sequence is defining the execution of a T4 template.  The XAML for the workflow is listed below so you can see where the T4 files are defined.  You can simply make a copy of an existing template and make what ever changes you need.   1: <Activity x:Class="GenerateDatabaseScriptWorkflow" ... > 2: <x:Members> 3: <x:Property Name="Csdl" Type="InArgument(sde:EdmItemCollection)" /> 4: <x:Property Name="ExistingSsdl" Type="InArgument(s:String)" /> 5: <x:Property Name="ExistingMsl" Type="InArgument(s:String)" /> 6: <x:Property Name="Ssdl" Type="OutArgument(s:String)" /> 7: <x:Property Name="Msl" Type="OutArgument(s:String)" /> 8: <x:Property Name="Ddl" Type="OutArgument(s:String)" /> 9: <x:Property Name="SmoSsdl" Type="OutArgument(ss:SsdlServer)" /> 10: </x:Members> 11: <Sequence> 12: <dbtk:ProgressBarStartActivity /> 13: <dbtk:CsdlToSsdlTemplateActivity SsdlOutput="[Ssdl]" TemplatePath="$(VSEFTools)\DBGen\CSDLToSSDL_TPT.tt" /> 14: <dbtk:CsdlToMslTemplateActivity MslOutput="[Msl]" TemplatePath="$(VSEFTools)\DBGen\CSDLToMSL_TPT.tt" /> 15: <ded:SsdlToDdlActivity ExistingSsdlInput="[ExistingSsdl]" SsdlInput="[Ssdl]" DdlOutput="[Ddl]" /> 16: <dbtk:GenerateAlterSqlActivity DdlInputOutput="[Ddl]" DeployToScript="True" DeployToDatabase="False" /> 17: <dbtk:ProgressBarEndActivity ClosePopup="true" /> 18: </Sequence> 19: </Activity>   So as you can see, this tool enables you to make some pretty heavy customizations to how the SSDL and SQL get generated.  You can get more info and the tool can be downloaded from: http://visualstudiogallery.msdn.microsoft.com/en-us/df3541c3-d833-4b65-b942-989e7ec74c87.  There is a comments section on the site so make sure you let the team know what you like and what you don’t like.  Enjoy!

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• operator not defined for System.Data.SqlClient.SqlConnection and System.Data.SqlClient.SqlConnection

  - by Beta033

  i hope i'm just doing something wrong here. Ideally i'm trying to open the connection, open a transaction execute a ton of prebuilt sqlstatements (with parameters) against this connection then close the connection. ideally all in the same batch. It's easy enough to wrap this all in a for loop, however i'd like to use the forEach function of the list generic to set the connection as it'll probably be faster than my implementation of calling List.Item(i) in the loop but i get some strange errors. Dim sqlStatements As List(Of SqlCommand) = New List(Of SqlCommand) Dim conn As SqlClient.SqlConnection = New SqlConnection("...") sqlStatements.Item(0).Connection = conn 'Works sqlStatements.ForEach(Function(ByRef cmd As SqlCommand) cmd.Connection = conn) 'ERROR: Operator '=' is not defined for types 'System.Data.SqlClient.SqlConnection' 'and 'System.Data.SqlClient.SqlConnection What does this error really mean?

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