如何给(用户控件)UserControl传递参数?

lungfun 2005-05-24 05:04:08

我希望能把参数传递给定义的一个用户控件,具体说,我定义了用户控件AUserControl,加了一个TestDropDownList.把AUserControl加到一个TestWebForm中,在TestWebForm的PageLoad() 里传递一个string strTestForm给AUserControl,完成类似功能,既把传入的string 作为用户控件的DropDownList的ListItem的一个string：AUserControl.TestDropDownList.add(new ListItem(strTestForm)).请教大家，着急等待中．

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aaron_lly 2005-05-24

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给你贴个例子，，，，

用户控件
properties.ascx
<script language="VB" runat="server">
Public Color As String = "black"
Public Text As String = "This is a user control... really!"
</script>

<p>
<font color="<%= Color %>">
<%= Text %>
</font>
</p>

父页面
properties.aspx
<%@ Page Language="VB" %>
<%@ Register TagPrefix="asp101samps" TagName="SomeText"
Src="properties.ascx" %>

<script language="VB" runat="server">
Sub Page_Load(Sender As Object, E As EventArgs)
UserCtrl1.Color = "green"
UserCtrl1.Text = "This control’s properties were " _
& "set programmatically!"
End Sub
</script>

<html>
<head>
<title>ASP.NET User Control Sample - Properties</title>
</head>
<body bgcolor="#FFFFFF">

<asp101samps:SomeText runat="server" />

<asp101samps:SomeText Color="red" runat="server" />

<asp101samps:SomeText Text="This is quite cool!" runat="server" />

<asp101samps:SomeText Color="blue" Text="Ain’t It?" runat="server" />

<asp101samps:SomeText id="UserCtrl1" runat="server" />

</body>
</html>

aaron_lly 2005-05-24