TBlobField.Assign Method

Copies a value to the BLOB field.

Pascal

procedure Assign(Source: TPersistent); override;

C++

virtual __fastcall Assign(TPersistent * Source);

Description

Use Assign to copy data to the BLOB field. Assign copies the Value of a BLOB field from

Another BLOB field

A TStrings object

A TPicture or TBitmap object, if the BlobType is ftGraphic or ftTypedBinary

Any object that supports TBlobField in its AssignTo method

In the example below, the Assign method is used to copy the bitmap from a TImage component into a BLOB field through its TBlobField field object:

Copy Code

if not (ClientDataSet1.State in [dsInsert, dsEdit]) then
  ClientDataSet1.Insert;
ClientDataSet1Images.Assign(Image1.Picture);
ClientDataSet1.Post;

Copy Code

if ((ClientDataSet1->State != dsInsert) &&
(ClientDataSet1->State != dsEdit))
  ClientDataSet1->Insert();
ClientDataSet1Images->Assign(Image1->Picture);
ClientDataSet1->Post();