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Simple Task Scheduler inside your application (C#)

Williams .Net Zone, December 20, 2007
Views: 15,492 | Hits 3,346

Many times I need a simple task scheduler inside a program to do this or that. You can use any of the system timers to achieve this, but you end up writing the same difficult code over and over. This...

Creating ODBC connection with .Net Setup Project

Bigyan Rajbhandari, October 31, 2006
Views: 8,108 | Hits 1,168

One of my friends was wondering if there was a way to easily create an ODBC automatically with a .Net Setup project, so as to minimize manual configuration changes. Well, there is, ODBC connections ar...

Large Data Paging, Sorting, & Filtering with GridView & ObjectDataSource in ASP.Net 2.0

The Code Project Latest Articles, February 26, 2007
Views: 5,478 | Hits 1,074

This article will explain how to handle large records for paging with Gridview & ObjectDataSource in ASP.Net 2.0...

A Quick Way to Copy DataRow

DevX: .NET Feed, August 21, 2006
Views: 7,984 | Hits 1,034

Use this code tp copy data in one line from the source to the destination row....

Developing generic data access layer using ADO.NET 2.0

ASP.NET Daily Articles, December 10, 2005
Views: 4,294 | Hits 728

If you develop an application using SQL Server data provider and later on decide to use Oracle you must change your code. At first thought using OLEDB data provider or ODBC data provider might come in...

Transaction is not allowed error using ADO.Net Entities.

Williams .Net Zone, August 24, 2008
Views: 6,599 | Hits 670

Doing some ADO.Net Entity queries and updates the other day, I kept getting this exception: "New transaction is not allowed because there are other threads running in the session." foreach ...

Using the XmlDataSource Data property for easy samples

More Whidbey stuff, July 29, 2006
Views: 5,933 | Hits 655

Here's a little trick to write samples that involves data binding controls to a database. It's very inconvenient to have to package a sample database with your code (especially when it's j...

Problems with reliably retrieving DOM element bounds in FireFox

Rick Strahls WebLog, May 30, 2006
Views: 3,070 | Hits 619

I've been banging my head against the wall again with FireFart (as Peter Bromberg lovingly calls FireFox) DOM programming.   What I'm doing is simple enough – I dynamically load up a <d...

Mr Subsonic Joins Microsoft

youve been HAACKED, October 26, 2007
Views: 1,643 | Hits 616

Like a lovesick puppy, my good friend Rob Conery is following me to Microsoft. Im excited (not yet super excited) that Rob is going to be joining us working on Subsonic as the sugar on top of the wo...

Fun with AJAX Callback Validations and ToolTip Messages

Rick Strahls WebLog, March 23, 2006
Views: 2,672 | Hits 606

My use of AJAX technology in existing applications has been mostly minor. For the most part I don't believe that AJAX is a way to replace the existing Web application metaphor unlike some of the ...

EXCELLENT TUTORIALS - Building a 3-Tiered Data Architecture with ASP.NET 2.0

Bill Evjens Blog, July 3, 2006
Views: 1,648 | Hits 594

From Scott Mitchell ... outstanding! ...

EF ObjectStateManager.GetObjectStateEntries (plural)

Julia Lerman Blog - Dont Be Iffy..., December 12, 2007
Views: 3,338 | Hits 570

I've been using the GetObjectStateEntry method for a while so that I can view and interact with the state of a particular entity that I have in hand. Today I used the plural version of this method f...

POCO Sample for EF V1

Julia Lerman Blog - Dont Be Iffy..., September 10, 2008
Views: 3,912 | Hits 570

I picked my head up today from what I've been focused on and took a look at my blog feeds and was happy to see that Jarek Kowalski had a new post. He doesn't write a lot of blog posts, but they are g...

ASP.NET Tip: Creating an Atom XML Feed

ASP.NET Daily Articles, November 9, 2006
Views: 1,560 | Hits 558

Atom, the replacement for RSS, is quickly being adopted by many blogging software makers. Learn how to produce an Atom XML feed using a database table....

Who's preparing Entity Framework Providers?

Julia Lerman Blog - Dont Be Iffy..., December 18, 2007
Views: 3,184 | Hits 556

I thought I saw this a week or so ago but couldn't find it again, but it just appeared on David Sceppa's blog. "It" is a list of vendors who will have Entity Framework providers out within 3 months...

Eight Entity Framework Tutorials on DataDeveloper.NET

Julia Lerman Blog - Dont Be Iffy..., April 4, 2008
Views: 2,395 | Hits 555

I've written a set of Entity Framework (and one which is more general for LINQ to Entities and LINQ to SQL) tutorials that are on DataDeveloper.NET Tutorials page. Most of these are beginner basics....

Element.clientWidth/offsetWidth in IE and Mozilla

Rick Strahls WebLog, February 5, 2006
Views: 8,216 | Hits 528

So I'm working on some Javascript that needs to draw a shadow panel underneath another panel. What I need to accomplish is to basically copy the dimension of the first panel and then shift it off a li...

Thread Safety Via Read Only Collections

youve been HAACKED, March 26, 2007
Views: 1,914 | Hits 503

In a recent post I warned against needlessly using double check locking for static members such as a Singleton. By using a static initializer, the creation of your Singleton member is thread safe. How...

A better command line parsing class

ISerializable, October 16, 2005
Views: 3,802 | Hits 492

recently recommended a command line parser library for .NET called Param.NET. Personally, I don't think this sort of thing should be driven (as is by a configuration file. In fact, custom a...

Read / Write Large Value (Blob) Types in SQL Server 2005 with ADO.NET 2.0

Peter Brombergs UnBlog, March 23, 2007
Views: 2,984 | Hits 489

I saw somebody's post on the C# newsgroup recently where they had posted some chunked code to use a do / while GetBytes pattern to read from a Varbinary(MAX) column. The code was fine, but it sure was...

TDD Is Also An Organizational Process

youve been HAACKED, January 15, 2008
Views: 1,509 | Hits 480

After joining Microsoft and drinking from the firehose a bit, Im happy to report that I am still alive and well and now residing in the Seattle area along with my family. In meeting with various group...

Microsoft MDM, Entity Framework and Astoria - is Jasper the missing link?

Julia Lerman Blog - Dont Be Iffy..., March 1, 2008
Views: 1,628 | Hits 475

Confession: I had never heard of Microsoft Master Data Management before seeing Jamie Thompson's blogpost, MDM -> Entity Framework -> ADO.Net Data Services. Better together?. MDM is a BI tool created...

Testing out the EntityBag

Julia Lerman Blog - Dont Be Iffy..., January 25, 2008
Views: 1,886 | Hits 462

I've been fiddling with the EntityBag that Danny Simmonswrote. My biggest interest was in how big the payload is. I created a service that had two operations. The first returns "Hello World" and t...

Custom membership provider for the ADO.NET Entity Framework

The Code Project Latest Articles, October 29, 2008
Views: 5,011 | Hits 455

Custom membership provider implementation for the ADO.NET Entity Framework....

ADO.NET DataServices and ANY IQueryable

Julia Lerman Blog - Dont Be Iffy..., December 12, 2007
Views: 1,712 | Hits 433

One of the changes with the new CTP release of ADO.NET Data Services (formerly Astoria) is that you can create a service against any iQueryable, not just Entity Framework. This is huge. Roger Jenning...

Problem with Flash in IE7 ?

Laurent Duveau, February 19, 2007
Views: 2,351 | Hits 428

Maybe your are experiencing this like me: Your IE7 do not show flash content from some websites, even with Flash Player 9 installed on your system, and everything working fine with IE6 or Firefox. Th...

Lots of Entity Framework at DevConnections Nov 5-8, Las Vegas

Julia Lerman Blog - Dont Be Iffy..., October 19, 2007
Views: 1,443 | Hits 425

In his "Microsoft's Data Access Strategy" blog post, Mike Pizzo, who is an architect for the overall Data Programmability team at Microsoft says: "The Entity Data Platform is a multi-release visio...

Recent Presentations on what's new in ADO.NET Orcas

Julia Lerman Blog - Dont Be Iffy..., March 18, 2007
Views: 1,536 | Hits 422

Last week, I inaugurated my ADO.NET Orcas Overview at the TEchValley.NET User Group in Albany NY (with thanks to INETA!!). It was a serendipitous night for me to present there as they had just moved ...

Finding the Entity Framewrok & Astoria documentation for VS2008 SP1

Julia Lerman Blog - Dont Be Iffy..., May 22, 2008
Views: 1,956 | Hits 417

The SP1 Beta does not include updated documentation for VIsual STudio 2008, but it is all online. You can start here: A direct link to EF d...

Introducing ADO.NET Entity Framework Article in CoDe Mag Nov/Dec

Julia Lerman Blog - Dont Be Iffy..., October 16, 2007
Views: 1,374 | Hits 416

While this is not online yet, I do have the latest issue of CoDe Magazine in my hands which has (among some other great articles!) an intro article I have written on Entity Framework. I originally w...

Dreaming of RIA Services - Literally

Julia Lerman Blog - Dont Be Iffy..., July 16, 2009
Views: 1,559 | Hits 411

I was having a hard time sleeping last night so I got up and did some work. I started reading up on RIA Services on Brad Abrams' blog and Nikhil Kothari's. I needed a refresher from the last time I du...

Generic List(Of) to DataSet 3 approaches

The Code Project Latest Articles, November 5, 2006
Views: 4,759 | Hits 410

Turn a List(Of) into a DataSet 3 different way and check performance...

Working with Custom Validators using Enterprise Library 3 - The #1 ASP.NET Community, April 13, 2007
Views: 2,199 | Hits 407

Enterprise Library 3 contains the ability to validate a business object and this validation occurs through a standard range of validators. The Framework also provides the ability to create custom vali...

Thinking about the EntityDataSource

Julia Lerman Blog - Dont Be Iffy..., January 22, 2008
Views: 2,119 | Hits 406

I've been thinking about the EntityDataSource that has been mentioned in the forums. It is something that is going to be added to Entity Framework by RTM, but it doesn't exist in current bits for us ...

A hint of what to look for in Entity Framework Beta3

Julia Lerman Blog - Dont Be Iffy..., November 1, 2007
Views: 1,609 | Hits 404

I've found that the best resource for learning about ENtity Framework is in the forums. Today I finally saw a public statement about something I"ve been waiting for for a long time. Brian Dawson s...

Writing about Entity Framework Relationships

Julia Lerman Blog - Dont Be Iffy..., July 16, 2008
Views: 1,527 | Hits 401

I have finally finished what has been, so far, the most difficult chapter of my book. It is a chapter about Relationships and Associations in the Entity Framework. Relationships as a first class citi...

EF4: What is and is not supported

Julia Lerman Blog - Dont Be Iffy..., May 13, 2009
Views: 1,861 | Hits 400

Alex James wrote a great response in the EF Forums to Graham Hay's question about feature support for specific desired functionality in EF4. I thought Alex's response was worth surfacing so I am pas...

Entity Framework changes between SP1 Beta and RTM

Julia Lerman Blog - Dont Be Iffy..., August 12, 2008
Views: 1,280 | Hits 397

On the ADO.NET Team blog there's a list of changes between SP1Beta & RTM: What's new in the VS 2008 SP1? The designer got over 200 bug fixes including a bunch that help with source control and a few ...

Model first with EDM?

Julia Lerman Blog - Dont Be Iffy..., April 5, 2008
Views: 2,093 | Hits 392

In my previous post, I managed to update a simple model from an existing database. But then I started trying to do things like build my project and ran into so many problem trying to get my simple mo...

Are you using OpenID?

Julia Lerman Blog - Dont Be Iffy..., September 1, 2008
Views: 1,482 | Hits 386

I finally discovered OpenID when I wanted to leave a comment on a friend's blogspot blog. Google has recently adopted it. Read more about this open source service that lets you have one login identit...

EF Mapping to Read Stored Procs, another twist

Julia Lerman Blog - Dont Be Iffy..., January 5, 2008
Views: 2,496 | Hits 385

Entity Framework easily supports mapping to read stored procedures when the query results match up with an existing entity in the model. If your query results don't, then you have to create a new rea...

Using Using in c# business classes used with ObjectDataSource in ASP.NET 2.0, October 30, 2007
Views: 2,130 | Hits 383

A short post and example on how to use the C# syntax Using. The example is for an business object that can be used with an ObjectDataSource. This saves you the trouble of disposing of your o...

Reading/Writing Excel Spreadsheets with ADO.NET

ScottGus Blog, May 29, 2006
Views: 3,948 | Hits 377

David Hayden maintains a really great blog.  He regularly posts about ADO.NET and Data Access, and is someone I'd highly recommend subscribing to. He posted a useful blog entry a few days ago tha...

What ever happened to Project Jasper?

Julia Lerman Blog - Dont Be Iffy..., February 15, 2008
Views: 1,437 | Hits 373

An ADO.NET team project called Jasper was announced and demo'd at last year's MIX conference. I played with the available bits and wrote an article about it for O'Reilly: Build Dynamic Database Appli...

Architecting ENtity Framework Apps Chalk Talk at DevConnections

Julia Lerman Blog - Dont Be Iffy..., November 5, 2007
Views: 1,193 | Hits 356

Danny Simmons and Mike Flasko will be holding a 1/2 hour chalk talk on Architecting Entity Framework apps at 2:30 on Wednesday at DevCONnections. If you want to see all of the talks in the special Dat...

AS400 / iSeries and .NET (ADO.NET)

Wallace B. McClure, June 27, 2006
Views: 4,442 | Hits 354

copyied from: have been working with writing an interpretor for converting AS400 graphics to create images in .NET.  There is an P...

Using the Exception Handling Block in Enterprise Library 3.0

DevX: .NET Feed, October 26, 2007
Views: 3,708 | Hits 348

Give your applications seamless and reusable error handling and logging services with the powerful toolset from Enterprise Library 3.0....

Enough with the whining, just fix ObjectDataSource already...

Marc's Musings, July 20, 2006
Views: 3,173 | Hits 347

What's the deal?If you have ever tried to use ObjectDataSource with any O/R Mapper or just business entities that have "persistent state", you no-doubt know the issues I've whined about. It really b...

Microsoft Analysis Services 2005: Displaying grid using ADOMD.NET and MDX

The Code Project Latest Articles, August 19, 2008
Views: 4,024 | Hits 344

The article explains how to fetch data from Microsoft Analysis Services 2005 (OLAP) Cube using ADOMD.NET and MDX; and display it in the form of a grid....

Pay heed to what's returned by iQueryables in ADO.NET Data Services

Julia Lerman Blog - Dont Be Iffy..., April 18, 2008
Views: 1,274 | Hits 342

I was experimenting with creating data services from IQueryables. Rather than use the canonical example of creating a set of 3 person objects on the fly and exposing them, I decided to create a servi...