Input Parameters | Significance |
DtvLong idf | field Id |
DtvLong row | row position in the field |
Output Parameters | Significance |
char *str | text string |
Return Code | Significance |
0 | no error |
1 | wrong row position |
This function always returns a string. DataView does not perform any type casting.
The content of a field of the type boolean is returned as > y < if the value is toggled to > ON < , and as > n < if the value is toggled to > OFF < . Else > < is returned.
Any final spaces (format flush left) or leading spaces (format flush right) will be removed.
In the calling function have to be allocated Virtual column width+1 bytes storage place
This function only supports field types of a length <= 255 characters, i.e. no Longtext fields. In order to process strings in Longtext fields the functions dal_mas_set_ltx_fld, dal_mas_chk_ltx_fld and dal_mas_ret_ltx_fld are available.