GetValueBlob

Description

Gets the blob value of the key.

If more than one key with the same name exists, then get the value of the first key. Notice that the IgnoreCase property (true by default) determines whether the key name will be matched in a case-sensitive manner.

Applies to

JSONPackage object

Syntax

objectname.GetValueBlob ( Key )

Argument

Description

objectname

The name of the JSONPackage object

Key

A string specifying the key of the item of JsonStringItem type. If more than one key with the same name already exists, the value of the first key will be obtained.


Return value

Blob. Returns the key value if it succeeds. If any argument's value is null, the method returns null. If an error occurs, throw the exception.

Examples

This example obtains the picture path (a blob value) from the JSON string.

// Blob GetValueBlob (string Key)
String    ls_PicturePath
JsonPackage    ljpk_User
ljpk_User = Create JsonPackage

// Loads the JSON string to the JSONPackage object
ljpk_User.loadstring ( '{"id":100, "name":"Henry.Ken", "birthday":"1998-01-01", "picturepath":"QTpcV29ya0RvY3VtZW50XFVwZ3JhZGVc5Zu+54mHXGF1dG9ydW4uQk1Q" }')
// Gets the key value: A:\WorkDocument\Upgrade\images\autorun.BMP
ls_PicturePath = String(ljpk_User.GetValueBlob("picturepath"),EncodingUTF8!)

See also

SetValueBlob

GetValueBoolean

GetValueDate

GetValueDateTime

GetValueNumber

GetValueString

GetValueTime

GetValueToDataWindow