BBjDataAwareGrid::deleteRow

Description

Deletes a row and its associated record in the data file of the BBjDataAwareGrid.

Syntax

Return Value

Method

void

deleteRow(int index)

Parameters

Variable

Description

index

Specifies the 0-based index of the row to be deleted.

Return Value

None.

Remarks

None.

Example

rem 'Delete a row from a data-aware BBjGrid object

rem 'Obtain the instance of the BBjAPI object
let myAPI!=BBjAPI()

rem 'Open the SysGui device
SYSGUI=UNT
OPEN (SYSGUI) "X0"

rem 'Obtain the instance of the BBjSysGui object
let mySysGui!=myAPI!.getSysGui()

rem 'Template for the customer data
TMPL$="CUST_NUMBER:C(6),FIRST_NAME:C(10),LAST_NAME:C(10),COMPANY:C(20),ADDRESS:C(20),CITY:C(15),STATE:C(2),ZIP_CODE:C(5)"

rem 'Create the customer data file
GOSUB CreateDataFile

rem 'Create the main window, initially invisible
myWindow! = mySysGui!.addWindow(100,100,650,230,"Data Aware Grid",$00000012$)

rem 'Create the grid
BBjGrid!=MyWindow!.addDataAwareGrid(500,10,10,600,190,DATACHAN,TMPL$,$$)

rem 'Setup the grid
GOSUB SetupGrid

rem 'Delete the first row from the data-aware customer grid and it's assciated
rem 'record in the data file
BBjGrid!.deleteRow(0)

rem 'Make the window visible
myWindow!.setVisible(mySysGui!.TRUE)

rem 'Register callback routines
CALLBACK(ON_CLOSE,EXIT_PROGRAM,mySysGui!.getContext())

rem 'Process Events
process_events

rem 'Callback routine that is called upon user exit
EXIT_PROGRAM:
release

rem 'Routine to create the customer data file
CreateDataFile:
    rem 'Create array to hold customer information
    NUM_OF_CUSTOMERS=10
    NUM_OF_FIELDS=8
    DIM CUST_ARRAY$[NUM_OF_CUSTOMERS,NUM_OF_FIELDS]
    CUST_ARRAY$[0,0]="000001",CUST_ARRAY$[0,1]="Brian",CUST_ARRAY$[0,2]="Johnson"
    CUST_ARRAY$[0,3]="Basis International",CUST_ARRAY$[0,4]="5901 Jefferson"
    CUST_ARRAY$[0,5]="Albuquerque",CUST_ARRAY$[0,6]="NM",CUST_ARRAY$[0,7]="87109"
    CUST_ARRAY$[1,0]="000002",CUST_ARRAY$[1,1]="Rosalie",CUST_ARRAY$[1,2]="Ortega"
    CUST_ARRAY$[1,3]="MOPS",CUST_ARRAY$[1,4]="103 Main Street"
    CUST_ARRAY$[1,5]="Las Cruces",CUST_ARRAY$[1,6]="NM",CUST_ARRAY$[1,7]="88113"
    CUST_ARRAY$[2,0]="000003",CUST_ARRAY$[2,1]="Neal",CUST_ARRAY$[2,2]="Smith"
    CUST_ARRAY$[2,3]="Intel",CUST_ARRAY$[2,4]="6750 Wyoming"
    CUST_ARRAY$[2,5]="Albuquerque",CUST_ARRAY$[2,6]="NM",CUST_ARRAY$[2,7]="87114"
    CUST_ARRAY$[3,0]="000004",CUST_ARRAY$[3,1]="Pat",CUST_ARRAY$[3,2]="Correl"
    CUST_ARRAY$[3,3]="R&J Construction",CUST_ARRAY$[3,4]="5466 Corrales"
    CUST_ARRAY$[3,5]="Albuquerque",CUST_ARRAY$[3,6]="NM",CUST_ARRAY$[3,7]="87110"
    CUST_ARRAY$[4,0]="000005",CUST_ARRAY$[4,1]="Laura",CUST_ARRAY$[4,2]="Thompson"
    CUST_ARRAY$[4,3]="B&F Associates",CUST_ARRAY$[4,4]="23211 Greene"
    CUST_ARRAY$[4,5]="Las Vegas",CUST_ARRAY$[4,6]="NV",CUST_ARRAY$[4,7]="87670"
    CUST_ARRAY$[5,0]="000006",CUST_ARRAY$[5,1]="Kevin",CUST_ARRAY$[5,2]="Brown"
    CUST_ARRAY$[5,3]="High Finance",CUST_ARRAY$[5,4]="12311 Money Way"
    CUST_ARRAY$[5,5]="Portland",CUST_ARRAY$[5,6]="OR",CUST_ARRAY$[5,7]="23490"
    CUST_ARRAY$[6,0]="000007",CUST_ARRAY$[6,1]="Jeff",CUST_ARRAY$[6,2]="Carson"
    CUST_ARRAY$[6,3]="CMGI",CUST_ARRAY$[6,4]="3212 Charger Trail"
    CUST_ARRAY$[6,5]="West Palm Beach",CUST_ARRAY$[6,6]="FL",CUST_ARRAY$[6,7]="43651"
    CUST_ARRAY$[7,0]="000008",CUST_ARRAY$[7,1]="Jane",CUST_ARRAY$[7,2]="Kytel"
    CUST_ARRAY$[7,3]="BEOS",CUST_ARRAY$[7,4]="6634 Dogwood"
    CUST_ARRAY$[7,5]="Springdale",CUST_ARRAY$[7,6]="AK",CUST_ARRAY$[7,7]="65211"
    CUST_ARRAY$[8,0]="000009",CUST_ARRAY$[8,1]="Laurence",CUST_ARRAY$[8,2]="Olivia"
    CUST_ARRAY$[8,3]="Old Timers",CUST_ARRAY$[8,4]="1245 Golf Course"
    CUST_ARRAY$[8,5]="Tulsa",CUST_ARRAY$[8,6]="OK",CUST_ARRAY$[8,7]="35213"
    CUST_ARRAY$[9,0]="000010",CUST_ARRAY$[9,1]="Paul",CUST_ARRAY$[9,2]="Talbot"
    CUST_ARRAY$[9,3]="Courier",CUST_ARRAY$[9,4]="3433 Font Way"
    CUST_ARRAY$[9,5]="Dayton",CUST_ARRAY$[9,6]="OH",CUST_ARRAY$[9,7]="98812"

    rem 'Create the data file
    ERASE "BBjDAGrid.dat",ERR=CREATE_FILE

CREATE_FILE:
    MKEYED "BBjDAGrid.dat",[1:1:6],20,150
    let DATACHAN=UNT
    OPEN (DATACHAN) "BBjDAGrid.dat"
    DIM REC$:TMPL$
    FOR CUST_NUM = 0 TO NUM_OF_CUSTOMERS - 1
        FOR FIELD_NUM = 0 TO NUM_OF_FIELDS - 1
            SWITCH FIELD_NUM
                CASE 0
                    REC.CUST_NUMBER$=CUST_ARRAY$[CUST_NUM,FIELD_NUM]
                    break
                CASE 1
                    REC.FIRST_NAME$=CUST_ARRAY$[CUST_NUM,FIELD_NUM]
                    break
                CASE 2
                    REC.LAST_NAME$=CUST_ARRAY$[CUST_NUM,FIELD_NUM]
                    break
                CASE 3
                    REC.COMPANY$=CUST_ARRAY$[CUST_NUM,FIELD_NUM]
                    break
                CASE 4
                    REC.ADDRESS$=CUST_ARRAY$[CUST_NUM,FIELD_NUM]
                    break
                CASE 5
                    REC.CITY$=CUST_ARRAY$[CUST_NUM,FIELD_NUM]
                    break
                CASE 6
                    REC.STATE$=CUST_ARRAY$[CUST_NUM,FIELD_NUM]
                    break
                CASE 7
                    REC.ZIP_CODE$=CUST_ARRAY$[CUST_NUM,FIELD_NUM]
                    break
            SWEND
        NEXT FIELD_NUM
        WRITE RECORD (DATACHAN) REC$
    NEXT CUST_NUM
return

rem 'Routine to setup the grid
SetupGrid:
    rem 'Set the grid attributes
    BBjGrid!.setHorizontalScrollable(mySysGui!.TRUE)
    BBjGrid!.setVerticalScrollable(mySysGui!.TRUE)
    BBjGrid!.setDefaultColumnWidth(110)
    BBjGrid!.setScrollUpdate(mySysGui!.TRUE)
    BBjGrid!.setDefaultAlignment(mySysGui!.GRID_ALIGN_LEFT)
    BBjGrid!.setHasColumnHeader(mySysGui!.TRUE)
    BBjGrid!.setDefaultAlignment(mySysGui!.GRID_ALIGN_LEFT)
    BBjGrid!.setEditable(mySysGui!.TRUE)
return

See Also

BBjAPI

BBjSysGui

BBjControl

BBjWindow

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