How to access content page controls from master page in asp.net
<p>it is very easy to access master page control from content page like </p>

<pre><code>protected void Page_Load(object sender, EventArgs e)
{
    // content page load event
    DropDownList thisDropDown = this.Master.FindControl("someDropDown") as DropDownList;
    userLabel.Text = thisDropDown.SelectedValue;
}
</code></pre>

<p>but how could i access controls of content page from master page. suppose a textbox there in content page and one button is there in master page. i want that when i will click on master page button then i want to show the text of textbox in the content page in the label of master page. how to achieve it. please help me with code sample. thanks.</p>
