Monthly Archives: September 2011

iostream directive is not enough in VC++ for cout

Posted on September 17, 2011 by

The famous pain for VC++ learning is the cout using VC++. In other compilers cout only requires iostream.h header but unfortunately this does not work for VC++. VC++ requires another statement using namespace std;   See the complete Hello word … Continue reading →

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Visual Studio 11 in Windows 8

Posted on September 15, 2011 by

Successful installed first Visual Studio 11 public build in first Windows 8 public build.

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What’s New in ASP.NET 4.5 and Visual Studio 11

Posted on September 15, 2011 by

What’s New in ASP.NET 4.5 and Visual Studio 11 Resources: http://www.asp.net/vnext/

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HTTP Error 500.19 – Internal Server Error – Config Error Cannot read configuration file due to insufficient permissions

Posted on September 14, 2011 by

When you browse an asp.net web page and you get an error like the one below. ————————————————————————————- HTTP Error 500.19 – Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid. … Continue reading →

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SQL Server Code Name "Denali"

Posted on September 14, 2011 by

SQL Server Code Name “Denali”. What is new in Denali? SQL Server and the Data Explosion

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Using ObjectQuery with Entity Framework

Posted on September 13, 2011 by

Normally we manipulate the Entity Framework using var like the statements below.   BeancurdModel.BeancurdEntities context = new BeancurdModel.BeancurdEntities(); var bc = from b in context.Beancurds select b;   We can actually do it without using var. The below statements are … Continue reading →

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Using IEnumerable with LINQ

Posted on September 10, 2011 by

Instead of var IEnumerable can be used accept the result from LINQ.   staticvoid Main(string[] args) {      Model1Container context = newModel1Container();     IEnumerable<Course> result = from r in context.Courses select r;     foreach (Course c in result) … Continue reading →

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How to pass var as parameter

Posted on September 9, 2011 by

The sample below is one of the options to pass var to a method as parameter. classProgram {   publicstaticvoid GetData(IQueryable<Course> context)   {       foreach (Course c in context)       {         Console.WriteLine(c.Course_Name);           foreach (Video v in … Continue reading →

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Factorial using C#

Posted on September 8, 2011 by

This Factorial code is modified by Chan Yii Yat.   publicclassclsFactorial {   publicstaticlong Fac(long i)   {     return ((i <= 1) ? 1 : (i * Fac(i – 1)));   } }   classMainClass {   publicstaticvoid Main() … Continue reading →

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The base class includes the field ‘MyControl_1′, but its type (MyControl) is not compatible with the type of control (ASP.MyControl_ascx)

Posted on September 7, 2011 by

Remove the underscore(_) from your class name if you have one. This is for ASP.NET 4.0.   For example, change from   public partial class usercontrols_AuditTrail : System.Web.UI.UserControl   to   public partial class usercontrolsAuditTrail : System.Web.UI.UserControl

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