LINQ indexOf a particular entry
I have an MVC3 C#.Net web app.  I have the below string array.

        public static string[] HeaderNamesWbs = new[]
                                           {
                                              WBS_NUMBER,
                                              BOE_TITLE,
                                              SOW_DESCRIPTION,
                                              HARRIS_WIN_THEME,
                                              COST_BOGEY
                                           };

I want to find the Index of a given entry when in another loop.  I thought the list would have an IndexOf.  I can't find it.  Any ideas?
LINQ indexOf a particular entry
===

I have an MVC3 C#.Net web app.  I have the below string array.

        public static string[] HeaderNamesWbs = new[]
                                           {
                                              WBS_NUMBER,
                                              BOE_TITLE,
                                              SOW_DESCRIPTION,
                                              HARRIS_WIN_THEME,
                                              COST_BOGEY
                                           };

I want to find the Index of a given entry when in another loop.  I thought the list would have an IndexOf.  I can't find it.  Any ideas?