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Delphi 2010 mysql picture blob field TUniDBImage Bitmap is not valid


Astrolab
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next code works with tUniImage component,but i want do it with tUniDbImage.

 

procedure TMainForm.UniDBGrid1CellClick(Column: TUniDBGridColumn);

var

JpegImage: TJPEGImage;

BlobStream: TStream;

begin

with UniServerModule do begin

if (not UniQuery1.FieldByName('picture').IsNull) then

begin

BlobStream := UniQuery1.CreateBlobStream(UniQuery1.FieldByName('picture'),bmRead);

JpegImage := TJPEGImage.Create;

try

JpegImage.LoadFromStream(BlobStream);

UniImage1.Picture.Assign(JpegImage);

UniImage1.Visible := True;

finally

JpegImage.Free;

BlobStream.Free;

end;

end

else

UniImage1.Visible := False;

end;

end;

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  • 6 months later...

Hi Farshad,

 

I need jpg image upload with uniDBImage...

 

Delphi XE2, MsSQL2008, Devart Unidac

 

UniFileUpload + tUniDBimage

 

I can upload BMP image but not JPG image!

 

it shows error "Bitmap is not valid".

 

It is Delphi2010,mysql(devaart unidac) configuration,

I put tUniDBimage on form ,

set datasource,

and when i set datafield which is image-blob field from TUniQuery

it shows error "Bitmap is not valid".

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