Creating Web Services with the .NET Framework - Dan Wahlin

http://blogs.interfacett.com This video discusses how to create a Web Service from scratch but also discusses some of the pros and cons that you should know about. For example, many people will return a DataSet from a Web Service. While that works, it's not very interoperable with non-.NET clients since the generated WSDL will be quite vague about what the Web Service actually returns. By creating custom types (classes) the WSDL can more accurately show a client exactly what they're going to get back. I've also seen many people put all of the code for a Web Service into the Web Method. That works, but you can achieve better code re-use by creating distinct layers for business and data functionality. These concepts and a few others are discussed in the video. Other topics covered include consuming a Web Service from an ASP.NET Web Form.

1. Wilton Ponce: Awesome ...i'm Subscribing ..
2. trinhk: Awesome tutorial. Thanks.
3. LaIslaGrande 2: you are the best Dan. thx
4. Azam Khan: Thank you! This was very helpful
5. ericcartmansh: great video Dan.
6. cSharpDirective: Million Stars for this video....
7. ModelosPR: A WCF 4.5 video tutorial would be priceless.. There are none right now.
8. Nightflame: Good tutorial. Thanks!
9. Varun R: Hi Dan very nice video thank you soo much
10. Valentine Obih: Please, what is the connection string in the web.config for Oracle database?
11. Gina Davalos: Very nice !!!! I 've been looking for a video like this one... and there's none that explains with detail how to consume a webservice that returns more than one data. IT HELPED ME A LOT !!!
12. أيمن القاسم: Thanks Dan..
13. coolandtall: You did more in 24 minutes than most people do in a week.Great video.
14. SamyCode: One of the best video that I have seen. Complete, even with the consuming example. Awesome.
15. Rory Mcfarlane: nice tutorial. helped a lot, should add in how to return multiple results :) cuz i'm stuck.
16. Syed Khader: thank u soooo much
17. Ele Munjeli: Beautiful. I was looking for something like this, and yet this was so much better than what I was hoping for. A straightforward webservice with scalable architecture. Great explanation, elegant code. I'll watch all of your tutorials now. Keep it up!
18. Samet Isufi: IT DOESNT WORK System.NullReferenceException: Object reference not set to an instance of an object.
19. Leo Baumer: Bravo! Not only did you share your expertise but your style as well...thanks!
20. VArsovski10: Thanks a lot.. :)
21. InterfaceTT: Sorry, I can't add url to comments, but search msdn for ms735119(v=vs.90).aspx It has tutorials, reference documentation, etc.
22. Purnesh hari: Hey Dan Thanks a lot..This wonderful video had the full stuff from start to finish,which i was looking for..Really a cool and Excellent one...Thanks Again.! :)
23. Kurapathi Avinash: Thankzzzzz a lot.bet this is the kind of best video.Again thankz a lot DAN
24. Melak Krimduz: Awsome! I checked other tutorials but most just contains an explanation for the web service itself, not the "client". Thanks for this :)!
25. VArsovski10: Cool.. However - if you try doing it with using WCF = how do you do it ?? How do you "consume" a WebMethod (even GET, haven't tried a POST yet) using WCF ?? The intellisense doesn't allow you to use your method, it instead allows you call some type of an asynchronous request with the same name of your method, but it sadly returns void - i.e. - can't get my service method's results back.. So how you do that ?
26. Andy8422: is anyone else having a problem with the database connection string in the web.config file mine go's strait to catch in the DAL.cs as soon as it hits the line [code] conn = new SqlConnection(cs); [code]
27. Josué Torres: Finally I found the best tutorial so far. You are my hero. God bless you!
28. Chandan tiwari: Why don't other people explain like you ?? Thank u very much.
29. DevITIS7: Thanks Dan. Excellent video with just the basics of implementation in code and highlighting best practices for separation between logic, data model, and display; essentially what MVC does. :)
30. Kiss Attila: great tutorial... thanx...
31. Gregory Bologna: time to archive this.
32. Gabriel Antony ShanthaKumar: Great. Can I have an email copy of the code for futher studies. Thank you, G.A.SHANTHAKUMAR - ga.shanthakumar@gmail.com
33. XxTrigg3rHappyxX: I agree with everyone else, this is by far the best tutorial for a web service I've ever see. Thank you!!!
34. Brad Trevaskis: That was great! Excellent intro into web services :)
35. Leticia Leunde: Very good! I would like to know if it's possible to have the same result while publish the service on an ONLINE website? Please, i'm waiting for a reply
36. InterfaceTT: Sorry, this video was posted back in 2011. The code samples are not available.
37. Nishant Kumar: Nice Video
38. dheeraj gundra: Very Nice....
39. XxTrigg3rHappyxX: I've been looking for a simple, straight forward, and easy to follow video like this for days. Thank you so much for posting this, this is exactly what I needed.
40. Cuneyt Kukrer: Dan, you are the best!!
41. Chirag Madhani: Great Work... Thanks
42. krrmtolga: Thanks! Very nice tutorial
43. Orange Flicks - Telugu Movies, Short films: hai sir i want code for web service to send sqlserver data to ftp mysql database....................bcz of my company maintaining pos system ....so they want daily sales on website...........so we are using sqlserver2012 as a bank end service.................please help me...............
44. Mohammed Sabih: awesome....
45. Nicole Padlan: thank you man! awesome explanation! this is what I really need!
46. Ned jed: Thx a lot for this video, it helped me a lot (I'm learning .net, I used Java so far). But I got one question : When you call for the customer at the end (on the web part), you only use the Name. The service will also send the others data (even if we don't call for it later), am I right ? Just to know about optimisation ^^
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Creating Web Services with the .NET Framework - Dan Wahlin
364 Likes	364 Dislikes
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Science & Technology	Upload TimePublished on 30 Jun 2011