using System;
namespace ConsoleApplication11
{
   class Program
   {
     public static void Main()
     {
       getExcelFileInfo( @" c:a.xls " );
     }
     private static void getExcelFileInfo(string Path)
     {
       string strConn =  " Provider=Microsoft.Jet.OLEDB.4.0; "  +  " Data Source= "  + Path +  " ; "  +  " Extended Properties=Excel 8.0; " ;
       System.Data.OleDb.OleDbConnection conn =  new System.Data.OleDb.OleDbConnection(strConn);
       conn.Open();
       System.Data.DataTable table = conn.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, null );
       foreach (System.Data.DataRow drow in table.Rows)
       {
         string TableName = drow[ " Table_Name " ].ToString();
         Console.WriteLine(TableName + " : " );
         System.Data.DataTable tableColumns = conn.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Columns, new  object [] { null , null , TableName , null } );
         foreach (System.Data.DataRow drowColumns in tableColumns.Rows)
         {
           string ColumnName = drowColumns[ " Column_Name " ].ToString();
           Console.WriteLine( " " + ColumnName);
         }
       }
       Console.ReadKey( true );
     }
   }
}