ASP.NET 既 UserControls – 近似 PHP 既 Include / Require 既功能,
不過 PHP – Include / Require (Web 插件 / Parent Page) 上既 Variable 可以用同一個名 重複互相 Assign.
(個人意見Only: 其實睇得清楚就好方便, 唔小心用既就好易做錯事)
Default.aspx |
<form id="Form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server" /> <div> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder> <asp:Label ID="Label1" runat="server" Text="" /> </ContentTemplate> </asp:UpdatePanel> </div> </form> |
Default.aspx.vb |
Partial Public Class _Default Inherits System.Web.UI.Page Dim ABC As Control = LoadControl("WebUserControl1.ascx") Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load PlaceHolder1.Controls.Add(ABC) Dim GetControl As Control = ABC.FindControl("Textbox1") Dim Child_Textbox As TextBox = TryCast(GetControl, TextBox) AddHandler Child_Textbox.TextChanged, AddressOf Child_Btn_Press End Sub Sub Child_Btn_Press(ByVal sender As Object, ByVal e As System.EventArgs) Dim GetControl As Control = ABC.FindControl("Textbox1") Dim Child_Textbox As TextBox = TryCast(GetControl, TextBox) Label1.Text = Child_Textbox.Text.ToString.Trim End Sub End Class |
WebUserControl1.ascx |
… <asp:TextBox ID="TextBox1" runat="server" /> <asp:Button ID="Button1" runat="server" Text="Button" /> |