I call a stored procedure from my code and it returns a
IEnumerable<dynamic> data
with 3 properties
I would like to be able to modify one of a value of the data var for example
data[2].ID = 6687687
Do you know how to do this please?
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2 Answers
You can use the following code:
var lItem = data.ElementAt(2);
lItem.ID = 6687687;
However note, that this can have a bad runtime performance when used to access many different indexes and the IEnumerable has no "simple" list object as a basis.
Comments
You can access individual elements by using the ElementAt method like this:
data.ElementAt(2).ID = 6687687;
However, this is not efficient since it will iterate through the enumerable until it reaches the required index. And sometimes the enumerable that you get will execute some query every time your enumerate it. This means that you will get new objects every time you enumerate it (e.g. via ElementAt).
A better way is to convert the enumerable to a list like this:
var list = data.ToList();
And then access the elements by index like this:
list[2].ID = 6687687;
4 Comments
lambdaDev
thanks for answer! but it displays trigger error that informs me that the number of args is uncorrect for calling méthod 'System.Object SetValue(System.String, System.Object, Boolean)
Yacoub Massad
Are you sure that the underlying type supports setting the
ID property as an integer?lambdaDev
and I would like to be able to change value of a property wathever the type of the property
Yacoub Massad
Can you provide more information about the underlying type?