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'If Not queryDataGridView.CurrentRow Is Nothing And File.Exists(Application.StartupPath & "\" & queryDataGridView.CurrentRow.Cells("编码").Value.ToString.Trim & "_2D.JPG") Then
If (Not queryDataGridView.CurrentRow Is Nothing) AndAlso (Not queryDataGridView.CurrentRow.Cells("编码") Is Nothing) AndAlso (Not queryDataView.CurrentRow.Cells("编码").Value Is Nothing) AndAlso File.Exists(Application.StartupPath & "\" & queryDataGridView.CurrentRow.Cells("编码").Value.ToString().Trim & "_2D.JPG") Then