How to change value of an object using linq

Question

I have the following statment that if isdefault is true to this collection i need to set each object isDefault property to false.

  custHead.lstCustomziation.Whe         


        

Answer 1

Linq may have been initially created for querying but it has evolved and is used as functional programming methods, equivalents to "map", "reduce", and "filter" used in other languages.

In your example I would suggest:

var list = custHead.lstCustomziation.Where(x => x.IsDefaultSelected == true)
            .Select(x=> TransformItem(x));

private XType TransformItem(XType item){
    item.IsDefaultSelected=false;
    return item;
}