How to iterate over an array of dynamic type in C# 4.0?

Question

Hi I have an array of dynamic type which i want to iterate through. But when i say arrayObject.lenght, i get following error:

'object' does not contain a definition for 'length' and no extension method 'length' accepting a first argument of type 'object' could be found

how do i iterate over the array?

[Update]

I post a custom json object using jquery ajax and i have written a model binder for untyped JSON. Here is a screenshot:

enter image description here

Maybe you can show some code of what exactly you are doing?

ChrisWue
– ChrisWue

2011-12-19 18:23:35 +00:00
Commented Dec 19, 2011 at 18:23 — ChrisWue
– ChrisWue, Commented Dec 19, 2011 at 18:23

Amit · Accepted Answer · 2017-03-29 22:17:29Z

32

Found the solution:

foreach (dynamic item in cartJsonObject)
{
   // code here
}

I was trying with for loop and foreach using var type. Changing it to dynamic solved it.

edited Mar 29, 2017 at 22:17

answered Dec 19, 2011 at 18:57

Amit

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1 Comment

woddle Over a year ago

To make this work you may need to add a Reference to "Microsoft.CSharp".

ChrisWue · Accepted Answer · 2011-12-19 18:28:00Z

0

This error very likely means that what you have is not an array but another collection - IEnumerable would be my best guess. You can use the Count() extension method provided by Linq to retrieve the number of elements.

answered Dec 19, 2011 at 18:28

ChrisWue

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1 Comment

Amit Over a year ago

'object' does not contain a definition for 'Count' and no extension method 'Count'

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