If e.Book.TempLate = "二维码" Then
If e.region = "表A" Then
If e.DataRow Is Nothing OrElse e.DataRow.IsNull("二维码") Then '如果是空行或者Lot列为空
Dim img As New System.Drawing.Bitmap(1,1) '生成一个空白图片
img.Save(ProjectPath & "Images\BarCode.gif")
Else '否则生成条形码图片
Dim Bar As New BarCodeBuilder
Bar.Symbology = Barpro.Symbology.QRCode
Bar.Code = e.DataRow("1") + e.DataRow("2")
Bar.BarRatio = 0.3
Bar.BarHeight = 8
bar.SaveImage(ProjectPath & "Images\BarCode.gif",300)
End If
End If
End If
能否帮我测试下,怎么都是空白的?
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此主题相关图片如下:barcode.gif