M mrb Unregistered / Unconfirmed GUEST, unregistred user! 2002-12-20 #1 三层结构中,客户端如何读取数据库中的长字段(BLOB),通过clientdataset吗?
M money775558 Unregistered / Unconfirmed GUEST, unregistred user! 2003-01-02 #2 如果你数据库中保存的BLOB字段是图片信息的话: BlobStream := DataSet.CreateBlobStream(Self, bmWrite); try Blob.SaveToStream(BlobStream); finally BlobStream.Free; end;
如果你数据库中保存的BLOB字段是图片信息的话: BlobStream := DataSet.CreateBlobStream(Self, bmWrite); try Blob.SaveToStream(BlobStream); finally BlobStream.Free; end;