1. Convert String In Title Case C#

string s = "This is a test";
s = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ToTitleCase(s.ToLower())

2. Add Enum in ArrayList

ShiftTime ss=new ShiftTime (); Note : ShiftTime is EnumList
string[] allKeys = System.Enum.GetNames(ss.GetType());
System.Collections.ArrayList al = new System.Collections.ArrayList();
al.AddRange(allKeys);

3. Configure CLR Trigger

sp_configure 'clr enabled', 1;
RECONFIGURE;

4. Convert ArrayList To String

ArrayList ar =new arrayList();
string jj=string .Empty;
jj=string.Join(“,”, (string []) ar.ToArray(typeof(string)))