GetKey

PowerScript function

Description

Gets the key name.

Applies to

Syntax

objectname.GetKey ( Index )

1	objectname.GetKey ( Index )

Argument	Description
objectname	The name of the JSONPackage object whose key you want to obtain.
Index	A long value specifying the index of the key.

Return value

String.

Returns the key name if it succeeds and empty string (“”) if an
error occurs. If any argument’s value is null, the method returns
null.

Example

This example gets the number of keys first and then gets the name of
each key.

long ll_index, ll_KeyCount
string ls_KeyName
datastore lds_employee
datawindowchild ldwc_active

JsonPackage lnv_package
lnv_package = create JsonPackage

...//Initialize data for lds_employee, ldwc_active

// package the data
lnv_package.SetValue("d_department", dw_department, false)
lnv_package.SetValue("d_employee", lds_employee) 
lnv_package.SetValue("dddw_active", ldwc_active, false)
ll_KeyCount = lnv_package.KeyCount()

for ll_index = 1 to ll_KeyCount
 ls_KeyName = lnv_package.GetKey(ll_index)
 …
next

long ll_index, ll_KeyCount

string ls_KeyName

datastore lds_employee

datawindowchild ldwc_active

JsonPackage lnv_package

lnv_package = create JsonPackage

...//Initialize data for lds_employee, ldwc_active

// package the data

lnv_package.SetValue("d_department", dw_department, false)

lnv_package.SetValue("d_employee", lds_employee)

lnv_package.SetValue("dddw_active", ldwc_active, false)

ll_KeyCount = lnv_package.KeyCount()

for ll_index = 1 to ll_KeyCount

ls_KeyName = lnv_package.GetKey(ll_index)

…

See also

KeyCount

Document get from Powerbuilder help

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Powerbuilder Documentation 2019

August 21, 2023

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