byte[] by = dt.Rows[?][?] as byte[];
MemoryStream imagestream = new MemoryStream(by);
Image image = Image.FromStream(imagestream);
bejing = dt.Rows[?][?].ToString();
this.BackgroundImage = image;
MemoryStream imagestream = new MemoryStream(by);
Image image = Image.FromStream(imagestream);
bejing = dt.Rows[?][?].ToString();
this.BackgroundImage = image;
只能先转换回doc文档,你再想办法把它变成图片