rotected void Button4_Click( object sender, EventArgs e) {Response.Redirect( "reservation.aspx" ); }protected void Button5_Click( object sender, EventArgs e) {Response.Redirect( "reservationIn.aspx" ); }protected void Button6_Click( object sender, EventArgs e) {Response.Redirect( "reliefReser.aspx" ); }protected void Button7_Click( object sender, EventArgs e) {Response.Redirect( "inClient.aspx" ); }protected void Button8_Click( object sender, EventArgs e) {Response.Redirect( "reserClient.aspx" ); }protected void Button9_Click( object sender, EventArgs e) {Response.Redirect( "leaveClient.aspx" ); }protected void Button10_Click( object sender, EventArgs e) {Response.Redirect( "ModifyPwd.aspx" ); }protected void Button11_Click( object sender, EventArgs e) {Response.Redirect( "Login.aspx" ); }