Passing values from one aspx page to another aspx page in asp.net

Querystring:

Query string is used to Pass the values or information form one page to another page.
Syntax
Request.QueryString(variable)[(index)|.Count]
Parameters
variable :-
Specifies the name of the variable in the http query string to retrieve.
index :-
An optional parameter that enables you to retrieve one of multiple values for variable. It can be any integer value in the range 1 to Request.QueryString(variable).Count.

For exapmle:-
In page 1:
Drag and drop the one textbox and button control
In page 2:
Drag and drop the one textbox control from tool box and place it on form.
In page one:-
[CODE]
Partial Class _Default
Inherits System.Web.UI.Page

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
'bind the textbox values to querystring
Response.Redirect("Default2.aspx?Textboxvalue=" & TextBox1.Text)

End Sub
End Class
[/CODE]
In page two:-
[CODE]
Partial Class Default2
Inherits System.Web.UI.Page

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
'Get the values from Query string
TextBox1.Text = Request.QueryString("Textboxvalue")
End Sub
End Class

[/CODE]