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我使用PdfStamper从PDF表单中获取字段值。我可以使用AcFields类中的GetField()函数成功地从文本框,组合框和复选框中获取值。但是当涉及到单选按钮时,我可以获取该集合中第一个单选按钮的值或“关”。我错过了什么?我应该得到不同的价值吗?有没有一个我不知道的常见错误? 这里是我的代码示例:我做错了什么,以获得单选按钮值?
Private Sub btnFinish_ItemClick2(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnFinish.ItemClick
Dim pdfReader As New PdfReader(savedfile)
Dim pdfStamper As New PdfStamper(pdfReader, New FileStream(pdf_prefinal, FileMode.Create))
Dim pdfFormFields As AcroFields = pdfStamper.AcroFields
Dim pdfFieldscollection As System.Collections.Generic.IDictionary(Of String, iTextSharp.text.pdf.AcroFields.Item) = pdfReader.AcroFields.Fields
Dim dsNewRow As DataRow = DualReview_databaseDataSet.tblEngineeringReviewTracking.NewRow()
Dim rqdEmptyFields As New List(Of String)
Dim rqdCommentFields As New List(Of Integer)
Dim keepSavingfields As Boolean = True
'Loop through each field in order to find empty fields and to save fields value
For Each field In pdfFieldscollection
Dim fieldName As String = field.Key
Dim fieldType As Integer = pdfFormFields.GetFieldType(fieldName)
Dim fieldValue As String = pdfFormFields.GetField(fieldName)
Dim saveCurrentField As Boolean = False
'...
Next
End Sub
我意识到问题不是iTextSharp,而是它是我正在使用的PDF查看器软件没有正确记录单选按钮值。 –
可能是PDF文档的设计问题。您需要一个PDF编辑器才能进行更改。我喜欢FoxIt Phantom。 – rheitzman