public DataReaderAdapter(IDataReader reader, int nrows) :
base(nrows, MakeColumnNames(reader), MakeModelRow(reader), MakeTNULL(reader))
{
_haveRow = reader.Read();
_reader = reader;
_rowStuffers = new RowStuffer[reader.FieldCount];
//_rowStuffers = new RowStuffer[reader.GetSchemaTable().Columns.Count];
for (int i = 0; i < _rowStuffers.Length; ++i)
{
Type t = reader.GetFieldType(i);
//_rowStuffers[i] = RowStuffer.GetRowStuffer(reader.GetFieldType(i));
try
{
_rowStuffers[i] = RowStuffer.GetRowStuffer(t);
}
catch (Exception e)
{
throw e;
}
if (reader.GetFieldType(i) == typeof(String))
{
_rowStuffers[i] =
//new RowStuffer.StringRowStuffer(reader.GetSchemaTable().Columns[i].MaxLength);
new RowStuffer.StringRowStuffer(30);
}
}
}
protected static Object[] MakeTNULL(IDataReader reader)
{
Object[] result = new Object[reader.FieldCount];
for (int i = 0; i < result.Length; ++i)
{
result[i] = RowStuffer.GetDefaultNullValue(reader.GetFieldType(i));
if (reader.GetFieldType(i) == typeof(String))
{
result[i] = new String(' ', 1);
}
}
return(result);
}
