<HFSQL file>.ExportJSONString (Function)

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<HFSQL file>.ExportJSONString (Function)

In french: <Fichier HFSQL>.ExporteChaîneJSON

Not available with these kinds of connection

Exports the records from a data file (HFSQL or OLE DB), view or query to a JSON string.

Example

// Export all customers
sString is string
sString = CUSTOMER.ExportJSONString()

Syntax

<Result> = <File>.ExportJSONString([<Items to export>] [, <Options> [, <Progress Bar>]])

<Result>: Character string

JSON string.

<File>: Control name

Name of data file, view or query used.

<Items to export>: Optional character string

List of names of items to export. The names are delimited by single quotes and they are separated by commas or CR characters. The names of composite key items, binary items and binary memo items are ignored.
If this parameter is an empty string (""), all of the data file items are exported (except composite key, binary, binary memo, and password items).

<Options>: Optional Integer constant

Specifies the creation mode of JSON file:
hExpBreakable The export can be interrupted by pressing Esc.
If the export is interrupted, the JSON string is valid and contains only the records exported before the interruption.
hExpNormal
(default value) Standard operating mode.

<Progress Bar>: Optional control name or window name

Name of the Progress Bar control or window that displays the progress of the JSON string creation.

Remarks

Business / UI classification: Business Logic

Component: wd270hf.dll