Page Lifecycle in Web Forms — a practical guide to Web Forms page lifecycle with clear examples you can reuse in real projects.
ASP & ASP.NET Tutorial Series (57/247). Prefer one article? Read the complete ASP.NET tutorial.
Short description
Know IsPostBack to avoid resetting state on every post.
Lifecycle tip
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack) { /* bind once */ }
}