Introducere in ASP.NET Controale Web Pagina in ... - Profs.info.uaic.ro

<strong>ASP</strong>.<strong>NET</strong> 03.03.2014 13/30
{
}
lblInfo.Text += "Page.PreRender event handled.";
private void Page_Unload(object sender, System.EventArgs e)
{
// This text never appears because the HTML is already
// rendered for the page at this po<strong>in</strong>t.
lblInfo.Text += "Page.Unload event handled.";
}
Codul pentru evenimentul click al butonului:
protected void Button1_Click(object sender, System.EventArgs e)
{
lblInfo.Text += "Button1.Click event handled.";
}
Pag<strong>in</strong>a este un conta<strong>in</strong>er pentru controalele pe care le cont<strong>in</strong>e. Putem vizualiza controalele
d<strong>in</strong>tr-o pag<strong>in</strong>a folos<strong>in</strong>d urmatorul cod (<strong>in</strong> Page_Load):
foreach (Control control <strong>in</strong> Page.Controls)
{
Response.Write(control.GetType().ToStr<strong>in</strong>g() + " - " +
control.ID + "");
}
Response.Write("");
Clasa Page
Observatie
Toate formularele web sunt <strong>in</strong>stante ale clasei Page.
Cateva proprietati importante ale acestei clase:
Session
Application
Cache
Request ; Request.QueryStr<strong>in</strong>g["id"] ;
Response ; Response.Write() ; Response.Redirect("page.aspx") ;
Response.Redirect(http://...)
Server ; Server.Transfer() ; HtmlEncode ; HtmlDecode ;
UrlEncode ; UrlDecode ; MapPath ;
User
Trace
Ioan Asim<strong>in</strong>oaei