主题：[求助]产生多余换行符

请老师看看，是不是表“诉讼参加人”DataColChanged中代码的问题？

'''
Dim dr As DataRow = e.DataRow      '表中每一行进行多列合并,在文本框中作为一行
Select Case e.DataCol.Name
    Case "诉讼地位","诉讼参加人","性别","出生日期","民族","住所地","法定代表人","职务","单位","职业"
        Dim str = dr("诉讼地位")
        If str.contains("原告") Then
            If str.contains("委托代理人") Then         '下面是原告代理人各列合并
                dr("原告出庭") = IIF(dr.IsNull("诉讼地位"),"",dr("诉讼地位").Replace("原告委托代理人","委托代理人")+"")
                dr("原告出庭") += IIF(dr.IsNull("诉讼参加人"),"",dr("诉讼参加人")+"，")
                dr("原告出庭") += IIF(dr.IsNull("单位"),"",dr("单位") + "" )
                dr("原告出庭") += IIF(dr.IsNull("职业"),"",dr("职业")+"。"+ vbcrlf)
                dr("原告出庭") = dr("原告出庭").trimend("。").trim(chr(10), chr(13))
            Else                                       '下面是原告各列合并
                dr("原告出庭") = IIF(dr.IsNull("诉讼地位"),"",dr("诉讼地位") +"")
                dr("原告出庭") += IIF(dr.IsNull("诉讼参加人"),"",dr("诉讼参加人")+"，")
                dr("原告出庭") += IIF(dr.IsNull("性别"),"",dr("性别")+"，")
                dr("原告出庭") += IIF(dr.IsNull("出生日期"),"",Format(dr("出生日期"), "yyyy年M月d日")+"出生，")
                dr("原告出庭") += IIF(dr.IsNull("民族"),"",dr("民族")+"，")
                dr("原告出庭") += IIF(dr.IsNull("单位"),"",dr("单位")+"。" )
                dr("原告出庭") += IIF(dr.IsNull("住所地"),"",dr("住所地") + "。" + vbcrlf)
                dr("原告出庭") += IIF(dr.IsNull("法定代表人"),"",dr("法定代表人")+"，")       '法定代表人另起一行
                dr("原告出庭") += IIF(dr.IsNull("职务"),"",dr("职务")+"。" + vbcrlf)
                dr("原告出庭") = dr("原告出庭").trimend("。").trim(chr(10), chr(13))
            End If
           
        ElseIf str.contains("被告") Then
            If str.contains("委托代理人") Then                '下面是被告代理人各列合并
                dr("被告出庭") = IIF(dr.IsNull("诉讼地位"),"",dr("诉讼地位").Replace("被告委托代理人","委托代理人")+"")
                dr("被告出庭") += IIF(dr.IsNull("诉讼参加人"),"",dr("诉讼参加人")+"，")
                dr("被告出庭") += IIF(dr.IsNull("单位"),"",dr("单位") + "" )
                dr("被告出庭") += IIF(dr.IsNull("职业"),"",dr("职业") + "。" + vbcrlf)
                dr("被告出庭") = dr("被告出庭").trimend("。").trim(chr(10), chr(13))
            Else                                                '下面是被告各列合并
                dr("被告出庭") = IIF(dr.IsNull("诉讼地位"),"",dr("诉讼地位")+"")
                dr("被告出庭") += IIF(dr.IsNull("诉讼参加人"),"",dr("诉讼参加人")+"，")
                dr("被告出庭") += IIF(dr.IsNull("住所地"),"",dr("住所地")+"。" + vbcrlf)
                dr("被告出庭") += IIF(dr.IsNull("法定代表人"),"",dr("法定代表人")+"，")          '法定代表人另起一行
                dr("被告出庭") += IIF(dr.IsNull("职务"),"",dr("职务") + "。" + vbcrlf)
                dr("被告出庭") = dr("被告出庭").trimend("。").trim(chr(10), chr(13))
            End If
           
        ElseIf str.contains("第三人") Then
            If str.contains("委托代理人") Then                   '下面是第三人代理人各列合并
                dr("第三人出庭") = IIF(dr.IsNull("诉讼地位"),"",dr("诉讼地位").Replace("第三人委托代理人","委托代理人")+"")
                dr("第三人出庭") += IIF(dr.IsNull("诉讼参加人"),"",dr("诉讼参加人")+"，")
                dr("第三人出庭") += IIF(dr.IsNull("单位"),"",dr("单位") + "" )
                dr("第三人出庭") += IIF(dr.IsNull("职业"),"",dr("职业") + "。"+ vbcrlf)
                dr("第三人出庭") = dr("第三人出庭").trimend("。").trim(chr(10), chr(13))
            Else                                                   '下面是第三人各列合并
                dr("第三人出庭") = IIF(dr.IsNull("诉讼地位"),"",dr("诉讼地位") +"")
                dr("第三人出庭") += IIF(dr.IsNull("诉讼参加人"),"",dr("诉讼参加人") +"，")
                dr("第三人出庭") += IIF(dr.IsNull("性别"),"",dr("性别")+"，")
                dr("第三人出庭") += IIF(dr.IsNull("出生日期"),"",Format(dr("出生日期"), "yyyy年M月d日")+"出生，")
                dr("第三人出庭") += IIF(dr.IsNull("民族"),"",dr("民族")+"，")
                dr("第三人出庭") += IIF(dr.IsNull("单位"),"",dr("单位")+"。" )
                dr("第三人出庭") += IIF(dr.IsNull("住所地"),"",dr("住所地")+"。" + vbcrlf)
                dr("第三人出庭") += IIF(dr.IsNull("法定代表人"),"",dr("法定代表人")+"，")                '法定代表人另起一行
                dr("第三人出庭") += IIF(dr.IsNull("职务"),"",dr("职务")+"。" + vbcrlf)
                dr("第三人出庭") = dr("第三人出庭").trimend("。").trim(chr(10), chr(13))
            End If
        End If
End Select

'==========将本案号  同列的多行合并，写入数据表，并将最终合并结果---[诉讼参加人]的值 写入窗口文本框
Dim str1 As String = “”
Dim str2 As String = “”
Dim str3 As String = “”
For Each r As Row In Tables("诉讼参加人").Rows
    str1 += iif(r("原告出庭")>"", vbcrlf, "") & r("原告出庭")
    str2 += iif(r("被告出庭")>"", vbcrlf, "") & r("被告出庭")
    str3 += iif(r("第三人出庭")>"", vbcrlf, "") & r("第三人出庭")
Next

Dim dr1 = DataTables("数据表").Find("[案号] = '" & e.DataRow("案号") & "'")
dr1("原告出庭") = str1
dr1("被告出庭") = str2
dr1("第三人出庭") = str3
dr1("诉讼参加人") = str1 & iif(str2>"", vbcrlf, "") & str2 & iif(str3>"", vbcrlf, "") & str3

If Forms("当事人").opened Then
    Forms("当事人").Controls("TextBox1").text = str1 & str2 &str3
Else
    Return
End If

谢谢甜老师！

dr1("诉讼参加人") = (str1 & iif(str2>"", vbcrlf, "") & str2 & iif(str3>"", vbcrlf, "") & str3).Trim(chr(10), chr(13))

......

比如，删除红色代码

 

dr("原告出庭") += IIF(dr.IsNull("职业"),"",dr("职业")+"。" + vbcrlf)
dr("原告出庭") = dr("原告出庭").trimend("。")