[我的ASP.net学习历程]TextBox和Label的数据梆定(二)

<%@ page language="c#" autoeventwireup="true" %>
<script language="c#" runat="server">
void page_load(object sender,eventargs e){
 page.databind();
}
string returnsource(){
 return (textbox_1.text);
 }
</script>
<form id="form_1" runat="server">
<asp:textbox textmode="multiline" columns="50" rows="10" id="textbox_1" runat="server"/>
<input id="button_1" type="submit" value="button" runat="server"/>
</form>
<asp:label id="label_1" text="<%#returnsource()%>" runat="server"></asp:label>