public DocumentTypeLibraryBean FindTypeBySignature(byte[] signature)
{
string sql = builSelectSQLStatement(DocumentTypeLibraryBean._TABLE_NAME,
new[] { BASEBean._ALL },
new[] { DocumentTypeLibraryBean._SIGNATURE});
OleDbParameter[] parameters = { new OleDbParameter(DocumentTypeLibraryBean._SIGNATURE, signature) };
return CreateBean<DocumentTypeLibraryBean>(sql, parameters);
}