How to get the length of a field?

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Hello all:
I create a class CRs derive from CRecordSet through ODBC,
and my table is created by access,and I want to know these fields'
length,because I want to know their length and then display on class
CListView,and these fileds' type have char and float,look:
{
CRs Rs;
Rs.Open();
int i=Rs.GetODBCFieldCount();
CODBCFieldInfo strField1,strField2;
Rs.GetODBCFieldInfo((int)0,strField1);
Rs.GetODBCFieldInfo((int)1,strField2);
}
I want to know how to know the field's type and how long?
thanks.


.

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