When CICS® generates an HTML page from the 3270 data
stream, it simulates detectable fields with a text input field preceded
by a check box.
Attention: This topic contains Product-sensitive Programming Interface
and Associated Guidance Information.
To
use detectable fields, the bridge facility associated with the transaction
must be configured. Enabling detectable fields tells
you how to do this.
Detectable fields are those in which:
- The field attribute byte identifies the field as being detectable
or intensified.
- and The first character of the 3270 field contains a valid
designator character. This can be an ampersand (&), a right angle
bracket (>), a question mark (?), a blank, or a null.
For more information about detectable fields, see the
CICS Application
Programming Guide.
When the check box and
text input field are displayed on the Web client:
- The designator character in the 3270 field is not displayed. Accordingly,
the field length in the Web client is one character shorter than it
is in the 3270 datastream.
- If the designator character is a right angle bracket (>), the
check box contains a check symbol (✓). Otherwise, the check box is
empty.
To use the detectable field on the Web client:
- Check the check box to simulate setting the modified data
tag (MDT) bit in the 3270 data stream. Uncheck the box to set the
modified data tag off. Entering data in the text field
in the HTML page does not change the modified data tag.
- To transmit data to the CICS application,
check the check box , and select the button named DFH_PEN.
- If just one attention field is checked, the CICS application
receives the contents of just that field. The EIBAID field is set
to DFHPEN.
- If several attention fields are checked, the CICS application
receives the contents of the field closest to row 1 and column 1 of
the 3270 screen. The EIBAID field is set to DFHPEN.
- If no attention fields are checked, CICS receives
the contents of all the fields. The EIBAID field is set to DFHENTER.