Monthly Archives: March 2011

Get data from parent-child relationship using edmx

Posted on March 31, 2011 by chanmingman

Many developers are creating the View in database for tables’ relationship. Revisit Nancy ADO sample in 2010. I do think that it is a good way to loop through the parent-child relationship without creating a view.   The edmx model … Continue reading →

Posted in .Net | Tagged , , | 3 Comments

MySQL and Sun websites hacked using SQL injection

Posted on March 30, 2011 by chanmingman

http://thenextweb.com/industry/2011/03/27/irony-mysql-and-sun-websites-hacked-using-sql-injection/ http://www.theregister.co.uk/2011/03/28/mysql_hack/

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Add a simple report to ASP.NET Web Application using Report Wizard in Visual Studio 2010 – (Video)

Posted on March 28, 2011 by chanmingman

1. The first part of the video is to create a report (Report1.rdlc)   Add a simple report to ASP.NET Web Application using Report Wizard in Visual Studio 2010 Part 1   2. Second part of the video is to … Continue reading →

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Hey, there is a Report Builder in Visual Studio 2010 – (Video)

Posted on March 27, 2011 by chanmingman

When people have told me “no Crystal Report, no SSRS”, I hope the Report Application in Visual Studio 2010 works.   Let’s watch the video below.   Report Application

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Simplest Asynchronous WCF Service Call sample from Silverlight – C# (Video)

Posted on March 26, 2011 by chanmingman

1. Create a WCF Service as in Creating and Accessing WCF Services simple sample.   2. Create Silverlight application.   3. Drag a textbox and Button from toolbox.   4. Add service reference.   5. Add the callback and button … Continue reading →

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An error occurred while trying to make a request to URI ‘http://localhost/WCFService/Service.svc’. This could be due to attempting to access a service in a cross-domain way without a proper cross-domain policy in place, or a policy that is unsuitable for SOAP services. You may need to contact the owner of the service to publish a cross-domain policy file and to ensure it allows SOAP-related HTTP headers to be sent.

Posted on March 26, 2011 by chanmingman

When you call WCF Service using Silverlight you might receive the error message above.   To fix this:   1. Create an xml file using notepad and save as clientaccesspolicy.xml with the following content.   <?xml version=“1.0“ encoding=“utf-8“?> <access-policy>   … Continue reading →

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Team Foundation Server 2010 SP1 Installation Did Not Succeed

Posted on March 26, 2011 by chanmingman

If you receive an error “Installation Did Not Succeed” when installing Team Foundation Server 2010 SP1, picture as below. Issue the command TfsServiceControl quiesce because run the Service Pack again. It works for us. Resources:How to troubleshoot installation problems for … Continue reading →

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Simplest Asynchronous WCF Service Call sample from ASP.NET – C# (Video)

Posted on March 23, 2011 by chanmingman

1. Edit this Web Client from Creating and Accessing WCF Services simple sample.   Simplest Asynchronous WCF Service Call sample from ASP.NET   Key takeaway:   1. When add the Service Reference click the Advance button and choose Generate asynchronous … Continue reading →

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Creating and Accessing WCF Services simple sample – C# (Video)

Posted on March 20, 2011 by chanmingman

Watch the video.   The steps in the video shows:   1. Create a WCF web site named WCFService.   2. Right click Service.svc and select View in browser.   3. Copy the url from the browser.   4. Go … Continue reading →

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Asynchronous operations are not allowed in this context. Page starting an asynchronous operation has to have the Async attribute set to true and an asynchronous operation can only be started on a page prior to PreRenderComplete event.

Posted on March 20, 2011 by chanmingman

If you have the asynchronous code below in Page Load Event in aspx page   public partial class Default : System.Web.UI.Page {   ServiceReference1.ServiceClient svc = new ServiceReference1.ServiceClient();   protected void Page_Load(object sender, EventArgs e)   {     svc.GetDataCompleted += … Continue reading →

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