How to ignore the case sensitivity in List

Question

Let us say I have this code

string seachKeyword = \"\";
List sl = new List();
sl.Add(\"store\");
sl.Add(\"State\");
sl.Add(\"STAM         


        

Answer 1

Simply, you can use LINQ query as like below,

String str = "StackOverflow";
int IsExist = Mylist.Where( a => a.item.toLower() == str.toLower()).Count()
if(IsExist > 0)
{
     //Found
}