Streams a BigText object that is stored as a BLOB in a table to a BigText variable.

[Ok := ] BigText.READ(InStream)

Parameters

BigText

Type: BigText

The BigText variable into which you stream the BLOB.

InStream

Type: InStream

The InStream object type that you use to stream a BLOB to a BigText variable.

Property Value/Return Value

Type: Boolean

true if the read transaction was successful; otherwise, false.

Remarks

To delete the content in a BigText variable, use the CLEAR function.

Copy Code
CLEAR(BigText)

Example

This example shows how to stream a BigText that is stored as a BLOB in a table to a BigText variable.

This example requires that you define the following variables.

Variable DataType Subtype

Bstr

BigText

Not applicable

EmployeeRec

Record

Employee

Istream

InStream

Not applicable

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EmployeeRec.FIND('-');
EmployeeRec.CALCFIELDS(Picture);
EmployeeRec.Picture.CREATEINSTREAM(Istream);
Bstr.READ(Istream);

Use the CALCFIELDS Function (Record) to calculate the BlobField. A BlobField is a binary large object (maximum size 2 GB) and must be calculated if you want to use it in C/AL or display it in the application.

See Also