Obtener información de catálogo de Base de datos Access

DataTable t = Ctx.con.GetSchema(OleDbMetaDataCollectionNames.Columns);
StringBuilder sb = new StringBuilder();
foreach(DataRow r in t.Rows){
 foreach(DataColumn c in t.Columns){
  sb.Append(String.Format("{0}: {1}||",c.ColumnName,r[c.ColumnName]));
 }
 sb.AppendLine();
}
Clipboard.SetText(sb.ToString());
MessageBox.Show(sb.ToString());
DataRow []dr = t.Select("TABLE_NAME = 'AnoActual' and COLUMN_NAME = 'Ano'");
MessageBox.Show(dr[0]["TABLE_NAME"].ToString() + dr[0]["COLUMN_NAME"].ToString());

Comparar el contenido de dos filas

public static bool ContenidoRowsEsIgual<T>(T row1, T row2) where T : DataRow {
  bool result = true;
  if (!row1.GetType().Equals(row2.GetType())) {
    throw new Exception("Las filas no son del mismo tipo");
  }
  DataRow r1 = row1 as DataRow;
  DataRow r2 = row2 as DataRow;
  for (int i = 0; i < r1.ItemArray.Length; i++) {
     if (!r1[i].Equals(r2[i])) {
         result = false;
     }
   }
   return result; 
}