PageOne.aspx
PageTwo.aspx
PageTwo.aspx.cs protected void Page_Load(object sender, EventArgs e) { if (Page.PreviousPage != null && Page.PreviousPage.IsCrossPagePostBack) { TextBox TextBox1 = (TextBox)PreviousPage.FindControl("TextBox1"); Label1.Text = "Hello, " + "" + TextBox1.Text + "" + "! Welcome to the Second Page !!"; } }