StringBuilder stringToRead = new StringBuilder();
stringToRead.AppendLine("Characters in 1st line to read");
stringToRead.AppendLine("and 2nd line");
stringToRead.AppendLine("and the end");
List<string> strList=new List<string>();
using (StringReader reader = new StringReader(stringToRead.ToString()))
{
while(reader.peek>-1){
strList.add(reader.ReadLine);