| public static GetNullableGuid ( this reader, string columnName ) : Guid? | ||
| reader | this | |
| columnName | string | |
| Результат | Guid? | |
public static Guid? GetNullableGuid(this DbDataReader reader, string columnName)
{
int columnIdx = reader.GetOrdinal("columnName");
return reader.IsDBNull(columnIdx) ? null : (Guid?)reader.GetGuid(columnIdx);
}
