BBjDataBoundGrid::setDefaultColumnHeaders

Description

In BBj 7.0 and higher, this method sets the columnHeaderCellText for each column to the name of the field that is bound to the column.

Syntax

Return Value

Method

void

setDefaultColumnHeaders()

Parameters

None.

Return Value

None.

Remarks

The BBjDataBoundGrid must be bound to a BBjRecordSet prior to calling this method.

Example

rem 'Data-bound controls with a Standard Navigator

rem 'Obtain the instance of the BBjAPI object
let api!=BBjAPI()
SYSGUI=UNT
OPEN (SYSGUI)"X0"
sysGui!=api!.getSysGui()

rem ' Create the data file
FILENAME$="State.dat"
MODES$=""
TEMPLATE$="STATE:C(2),NAME:C(16*=0)"
erase FILENAME$,err=*next
mkeyed FILENAME$,[0:1:2],0,32
channel=unt
open (channel)FILENAME$
dim REC$:TEMPLATE$

rem ' Load the file with state codes and names
while 1
    dread rec.state$,rec.name$,END=*break
    write record (channel)rec$
wend
close (channel)

rem ' Create the RecordSet
RecordSet! = BBJAPI().createFileRecordSet(FILENAME$,MODES$,TEMPLATE$)

rem 'Set addWindow param values
X=200
Y=200
WIDTH=350
HEIGHT=520
TITLE$="Data-bound controls sample"
sysGui!.setContext(0)
window! = sysGui!.addWindow(X,Y,WIDTH,HEIGHT,TITLE$,$00010002$)

rem 'add controls to window
window!.addStaticText(101,50,50,100,25,"State:")
state! = window!.addEditBox(201,100,50,40,25,"")
state!.setEditable(0)

window!.addStaticText(102,50,100,100,25,"Name:")
name! = window!.addEditBox(202,100,100,200,25,"")
Navigator! = window!.addNavigator(100,50,150,250,30,"Navigator")
button!=window!.addButton(300, 100, 200, 200, 40, "Delete current record")
button!.setCallback(button!.ON_BUTTON_PUSH, "buttonPush")
grid!=window!.addDataBoundGrid(301,50, 260, 250, 200)
grid!.setEditable(1)

rem 'bind controls to recordset
state!.bindRecordSet(RecordSet!,"state")
name!.bindRecordSet(RecordSet!,"name")
Navigator!.bindRecordSet(RecordSet!,"state")
grid!.bindRecordSet(recordSet!)
grid!.setDefaultColumnHeaders()

rem 'set callbacks
Navigator!.setCallback(Navigator!.ON_NAV_FIRST,"first")
Navigator!.setCallback(Navigator!.ON_NAV_PREVIOUS,"previous")
Navigator!.setCallback(Navigator!.ON_NAV_NEXT,"next")
Navigator!.setCallback(Navigator!.ON_NAV_LAST,"last")
window!.setCallback(window!.ON_CLOSE,"APP_CLOSE")
grid!.setCallback(grid!.ON_DB_GRID_ROW_CHANGE_REQUEST, "gridRowChange")
process_events

first:
    gosub save
    RecordSet!.first()
return

previous:
    gosub save
    RecordSet!.previous(err=*next)
return

next:
    gosub save
    RecordSet!.next(err=*next)
return

last:
    gosub save
    RecordSet!.last()
return

save:
    if (RecordSet!.isCurrentRecordDirty()) then
        print 'rb',
        RecordSet!.update(RecordSet!.getCurrentRecordData())
    endif
return

buttonPush:
    recordSet!.deleteCurrentRecordData()
    recordSet!.moveToRecord(0)
return

gridRowChange:
    event! = sysGui!.getLastEvent()
    print event!
    print event!.getRow(),",",event!.getColumn()
    recordSet!.moveToRecord(event!.getRow())
return

APP_CLOSE:
release
DATA "AK","Alaska"
DATA "AL","Alabama"
DATA "AR","Arkansas"
DATA "AZ","Arizona"
DATA "CA","California"
DATA "CO","Colorado"
DATA "CT","Connecticut"
DATA "DC","District of Columbia"
DATA "DE","Delaware"
DATA "FL","Florida"
DATA "GA","Georgia"
DATA "GU","Guam"
DATA "HI","Hawaii"
DATA "IA","Iowa"
DATA "ID","Idaho"
DATA "IL","Illinois"
DATA "IN","Indiana"
DATA "KS","Kansas"
DATA "KY","Kentucky"
DATA "LA","Louisiana"
DATA "MA","Massachusetts"
DATA "MD","Maryland"
DATA "ME","Maine"
DATA "MI","Michigan"
DATA "MN","Minnesota"
DATA "MO","Missouri"
DATA "MS","Mississippi"
DATA "MT","Montana"
DATA "NC","North Carolina"
DATA "ND","North Dakota"
DATA "NE","Nebraska"
DATA "NH","New Hampshire"
DATA "NJ","New Jersey"
DATA "NM","New Mexico"
DATA "NV","Nevada"
DATA "NY","New York"
DATA "OH","Ohio"
DATA "OK","Oklahoma"
DATA "OR","Oregon"
DATA "PA","Pennsylvania"
DATA "PR","Puerto Rico"
DATA "RI","Rhode Island"
DATA "SC","South Carolina"
DATA "SD","South Dakota"
DATA "TN","Tennessee"
DATA "TX","Texas"
DATA "UT","Utah"
DATA "VA","Virginia"
DATA "VI","Virgin Islands"
DATA "VT","Vermont"
DATA "WA","Washington"
DATA "WI","Wisconsin"
DATA "WV","West Virginia"
DATA "WY","Wyoming"
end

See Also

BBjAPI

BBjSysGui

BBjControl

BBjWindow

BBjRecordSet

See the BBj Object Diagram for an illustration of the relationship between BBj Objects.