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Dim picture_Bytes() As Byte = DataSet12.Tables(0).Rows(i).Item(0)
Dim myfilestream As New System.IO.FileStream("f:\vb\test.bmp", IO.FileMode.Create)
myfilestream.Write(picture_Bytes, 0, picture_Bytes.Length)
把DataSet12.Tables(0).Rows(i).Item(0)里内容保存成bmp格式的图片,打开之后没有预览