protected void markerOverlay_Click(object sender, MarkerOverlayClickEventArgs e)
        {
            CloudPopup popup = new CloudPopup("Popup", clickPointShape, string.Empty, 150, 60);


            CygnusMap.Popups.Add(popup);


            popup.ContentHtml = GetPopupContent();
        }

        private string GetPopupContent()
        {
            string content;
            if (feature.ColumnValues.Count > 0)
            {
                StringBuilder message = new StringBuilder();
                message.AppendFormat("<div style='color:#c52;font-size:14px;font-weight:bold;'>Test</div>");
                message.AppendFormat("<div style='height:24px;'>{0}</div>", string.Empty);
                message.AppendFormat("<div style='background:#fcf8ef;text-align:right;'>");
                message.AppendFormat("");
                message.AppendFormat("<a href=javascript:" + ClientScript.GetPostBackEventReference(this.deleteMarker, clickPointShape.Id) + "  id='btnHotel'>Delete</a>&nbsp;&nbsp;&nbsp;", "");
                message.AppendFormat("</div>");
                message.AppendFormat("<div>");
                message.AppendFormat("<a href=javascript:setQueryType('HOTEL');__doPostBack('spatialQuery','')  id='btnHotel'>Hotel</a>&nbsp;&nbsp;&nbsp;", "");
                message.AppendFormat("<a href=javascript:setQueryType('HOSPITAL');__doPostBack('spatialQuery','')  id='btnHospital'>Hospital</a>&nbsp;&nbsp;&nbsp;", "");
                message.AppendFormat("</div>");

                string messageInPopup = String.Format("<div style='width:200px;font-size:12px;'>{0}</div>", message.ToString());

                content = messageInPopup;
            }
            else
            {
                content = string.Empty;
            }
            return content;
        }