[Lazarus] Loading an image to a mysql blob

[John Landmesser]

Am 31.10.18 um 13:05 schrieb Terry A. Haimann via Lazarus:
> I tried loading an image into a Medium Blob.  The image uploads and
> shows up on my form, but when I click post on my DbNavigator the
> program gives me an access violation.
>
> Here is the source code:
>
> procedure TPropertyForm.ImgButClick(Sender: TObject);
> Var
>    MyImageFile, MyDir:                              String;
> begin
>       MyImageFile := '/';
>       if OpenDialog1.Execute then
>       begin
>            MyImageFile := OpenDialog1.Filename;
>       end;
>       DbPropImg.Picture.Jpeg.LoadFromFile(MyImageFile);
>
> End;
>
> Am I missing something I have to do?  The blob should be large enough,
> they are supposed to be able to hold 16 Meg and the jpegs are running
> about 2 - 3 meg.  I am running Mint 18.3, using Mysql 5.7.22 and using
> ZeosDBO.
>
> Terry Haimann

.. perhaps a Dataset.edit before

DbPropImg.Picture.Jpeg.LoadFromFile(MyImageFile);



DbPropImg.Picture.Jpeg.LoadFromFile(MyImageFile);