public void Page_Load(object sender, EventArgs e) { string s = watermelon; string t, v, w; int n, m; // Test Insert method. t = s.Insert(4, grape); Response.Write(t + <br />); // Test IndexOf Method. n = s.IndexOf(mel); m = s.IndexOf(xyz); Response.Write(n + + m + <br />); // Test Substring Method. v = s.Substring(3, 5); Response.Write(v + <br />); // Test PadLeft Method. w = s.PadLeft(20, '$'); Response.Write(w + <br />); }