How to create predicate dynamically

Question

Hi i want to create a list based on the search string using predicate expressions.

I have a list of type products contains different names.

List


        

Answer 1

You don't have to build a predicate here. You can try something like this

List list1 = new List();

list1.Add(new products("sowmya"));
list1.Add(new products("Jane"));
list1.Add(new products("John"));
list1.Add(new products("kumar"));
list1.Add(new products("ramya"));

string input = "aaa+kuma+ram";
List searchStrings =
    input.Split(new string[] { "+" }, StringSplitOptions.None)
    .Select(s => s.ToLower())
    .ToList();

List list2 = (
    from p in list1
    where searchStrings.Any(s => p.Name.Contains(s))
    select p).ToList();

list2 will contain "kumar" and "ramya".