Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Put user code to initialize the page here
Dim d As DropDownList = c.Controls(0)
d.Items.Add("1")
d.Items.Add("2")
MyBase.FindControl("form1").Controls.Add(c)
End Sub Private Sub btn1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn1.Click
Dim d As DropDownList = c.Controls(0)
Response.Write(d.SelectedItem.Value)
End SubPublic Class c2003626
Inherits Control Private myDrop As New DropDownList Public Sub New()
MyBase.Controls.Add(myDrop)
End Sub
End Class最主要是每次提交后你的dropdownlist的数据都要重绑定,viewstate只是保存了dropdownlist的value
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