Private Sub ChooseCourse_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim sel1 As String = "select C#,CNAME,CLASSH from C "
sel1 = sel1 & "where C# in(select C# from SC "
sel1 = sel1 & "where S# = ' " & Login.xuehao & "')"
Dim com1 As New SqlCommand(sel1, conn)
conn.Open()
Dim sreader1 As SqlDataReader = com1.ExecuteReader()
Dim item As ListViewItem
Dim subitem1, subitem2 As ListViewItem.ListViewSubItem
Do While sreader1.Read()
item = New ListViewItem(sreader1(0).ToString)
subitem1 = New ListViewItem.ListViewSubItem(item, sreader1(1))
item.SubItems.Add(subitem1)
subitem2 = New ListViewItem.ListViewSubItem(item, sreader1(2))
item.SubItems.Add(subitem2)
ListView1.Items.Add(item)
Loop
sreader1.Close()
conn.Close()
End Sub
这是仿照课程信息查询做的,课程信息查询那个窗口显示正常。且SC,C表中有数据,放在SQL查询把Login.xuehao(这个在其他窗口调用正常)换为对应的学号能输出结果。
![图片说明](https://img-ask.csdn.net/upload/201512/30/1451446723_627030.jpg)
![图片说明](https://img-ask.csdn.net/upload/201512/30/1451446746_565902.jpg)
![图片说明](https://img-ask.csdn.net/upload/201512/30/1451446754_941198.jpg)
![图片说明](https://img-ask.csdn.net/upload/201512/30/1451446765_962789.jpg)
VB+SQL的ListView1不报错,不显示数据
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1条回答 默认 最新
- threenewbee 2015-12-30 05:46关注
先把where条件去掉看看。估计是你数据库没有符合条件的记录,或者你的查询写错了。
字段中不要用#等特殊符号。解决 无用评论 打赏 举报
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