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C# and arrays of anonymous objects

Asked 2010-01-09T21:24:37.807
75

What does such an expression mean?

obj.DataSource = new[]
{
    new {Text = "Silverlight", Count = 10, Link="/Tags/Silverlight" },
    new {Text = "IIS 7", Count = 11, Link="http://iis.net" },
    new {Text = "IE 8", Count = 12, Link="/Tags/IE8" },
    new {Text = "C#", Count = 13, Link="/Tags/C#" },
    new {Text = "Azure", Count = 13, Link="?Tag=Azure" }
};

Especially these lines: new {Text = "IIS 7"... }

How can I create an array like this manually to suit this DataSource.

c# asp.net .net arrays anonymous-types
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1 Answer

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It's making a new object array, containing a group of anonymous objects.

new {Text = "Azure", Count = 13, Link="?Tag=Azure" }

is not creating a hash like similar syntax in say php would, but rather real a real object with the properties Test, Count, and Link set.

A good primer for anonymous objects can be found here

You should be able to use the same syntax to create new structures like this, the property values do not have to be constants:

string text = "Azure";
int count = 13;
string link =  "?Tag=Azure";
new {Text = text, Count = count, Link=link }
answered 2010-01-09T21:31:24.900

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