Web Forms :: Hide Page Extension In Browser Address Bar

I use querystring in my page when i click on button it go to Store.aspx. This is my query string code

protected void ImageButton3_Click(object sender, ImageClickEventArgs e)
{
Response.Redirect("Store.aspx?behcode=" + Server.UrlEncode(txtNumeric.Text));
}

In addressbar show this

behtob.com/Store.aspx?Behcode=1111

I want in address bar show something like this

behtob.com/Store?Behcode=1111

page name without .aspx

Is it possible?