using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
namespace Page_
{
publicpartialclass _Default : System.Web.UI.Page
{
protectedvoid Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
{
Title = "IsPostBack == true";
}
else
{
Title = "IsPostBack == false";
}
}
}
}
この時、
最初のLoadではfalse。
input1にハンドラ登録してないので何も起きないのでfalse。
submitは、HTMLの機能としてPostBackするのでtrue。
さて、
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
namespace Page_
{
publicpartialclass _Default : System.Web.UI.Page
{
protectedvoid Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
{
Title = "IsPostBack == true";
}
else
{
Title = "IsPostBack == false";
input1.ServerClick += new EventHandler(input1_ServerClick);
}
}
void input1_ServerClick(object sender, EventArgs e)
{
text1.Value = "Clicked!";
}
}
}