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我有一个 treeview asp.net 控件。我有以下 Treeview1 的 SelectedNodeChanged 事件。

Private Sub TreeView1_SelectedNodeChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TreeView1.SelectedNodeChanged           
        Try    
            Dim type As Boolean = False    
            Dim nodetext As String = TreeView1.SelectedNode.Value    
            Dim depth As Integer = TreeView1.SelectedNode.Depth    
            If nodetext = "Root" Then    
                btnCreateComp.Visible = True                   
                btnCreateComp.Text = "Create Company"    
                btnCreateUser.Visible = False    
            Else    
                type = getNodeType(nodetext)    
                'if it is true its USER
                'if false it is COMPANY

                If type = True Then                           
                    btnCreateComp.Visible = False                      
                    btnCreateUser.Visible = True
                    btnCreateUser.Text = "Edit User"
                    btnCreateUser.PostBackUrl = "~/Account/User.aspx"    
                Else                    
                    btnCreateComp.Visible = True
                    btnCreateComp.Text = "Edit Company"                      
                    btnCreateUser.Visible = True
                    btnCreateUser.Text = "Create User"    
                    btnCreateUser.PostBackUrl = "~/Account/User.aspx"    
                End If    
            End If    
        Catch ex As Exception    
        End Try    
    End Sub

当我点击一个节点时,如果它不是“root”,它会显示 2 个按钮,如果我点击 btnCreateUser 按钮,它会转到一个页面“user.aspx”,这是 btnCreateUser 的 postbackurl。

这可以。但是当下一次单击“Root”以外的节点时,它直接转到postbackurl页面“User.aspx”,即使我没有单击按钮btnCreateUser。

这仅在我第一次单击“btnCreateUser”后发生一次。

有人可以帮忙吗?

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