为什么会报这种错误,各位斑竹!帮我分析一下啊!!大恩不言谢!
我的Table1中有一个i_frame1为Image字段,我想在在Image上显示一图片,总是报错,错误信息为:Tabel1:Dataset not in edit or insert mode
能不能告知这到底是什么错误啊??谢谢!!
Table1->Open();
TBlobField * pField=(TBlobField *)Table1->FieldByName("i_frame1");
TBlobStream * pmem=new TBlobStream(pField,bmWrite);
pmem->Seek(0,soFromBeginning);
Graphics::TBitmap * pBitmap=new Graphics::TBitmap();
pBitmap->Assign(Image1->Picture->Graphic);
pBitmap->SaveToStream(pmem);
delete pBitmap;
delete pmem;