How to bind the values to gridview?

Question

 
 
This is my code.......
 
NodeEnumerator myEnumerator = new NodeEnumerator(this.UltraWebTree1);
        string s = string.Empty;
        string s1 = string.Empty;
        while (myEnumerator.MoveNext())
        {
             s += myEnumerator.Current.Text + ": Level: "
                 + myEnumerator.Current.Level.ToString() + "<br>" +  myEnumerator.Current.TargetUrl +  "<br>" ;
                Response.Write(s);

            }
 
 
 
I am getting values from ultrawebtree and shows the values in aspx page....but i want to show the values in gridview...please give me the source code.....