2) 声明 经过实践,在.aspx文件中声明.ascx文件可分为几种情况: 第一种情况:<Acme:Head runat="server" /> 第二种情况:<Acme:Head runat="server" flag=0 funcname1=selectgoods funcname2=updategoods /> 第三种情况:<Acme: Head runat="server" flag=1 funcname1= selectgoods funcname2=updategoods />
using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;[assembly:TagPrefix("CustomControls", "custom")]
namespace CustomControls
{ // Simple custom control
public class MyCS_Control : Control
{
private String message = "Hello";
public virtual String Message
{
get
{
return message;
}
set
{
message = value;
}
}
[System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")]
protected override void Render( HtmlTextWriter writer)
{
writer.Write("<span style='background-color:aqua; font:8pt tahoma, verdana;'> "
+ this.Message + "<br>" + "C# version. The time on the server is " + System.DateTime.Now.ToLongTimeString()
+ "</span>");
}
}}