DtvLong dal_fld_rea_flo (idf, row, num)

Reads the float number at the specified row position in the field.

Input Parameters Significance
DtvLong idf field Id
DtvLong row row position in the field

Output Parameters Significance
float *num float

Return Code Significance
0 no error
-1 field Id is NULL
1 wrong row position
3 wrong field type

You can only apply the function to fields of the types float, string, and calculate.