protected void fillFirstGrid()
        {
            String entId    = Session[SessionFactory.MAIN_BUSINESS_ENTITY_ID_STRING].ToString();
            String prodName = Session[SessionFactory.ALL_PRODUCT_SELECTED_PRODUCT_NAME].ToString();

            Dictionary <String, ShopChildProdsSpecs> prodSpecDict = BackEndObjects.ShopChildProdsSpecs.
                                                                    getShopChildProdsSpecObjbyEntIdandProdNameDB(entId, prodName);
            Dictionary <String, String> existingFeatList = new Dictionary <string, string>();

            DataTable dt = new DataTable();

            dt.Columns.Add("FeatId");
            dt.Columns.Add("FeatName");
            dt.Columns.Add("SpecText");
            dt.Columns.Add("FromSpec");
            dt.Columns.Add("ToSpec");
            dt.Columns.Add("imgName");

            int counter = 0;

            foreach (KeyValuePair <String, ShopChildProdsSpecs> kvp in prodSpecDict)
            {
                ShopChildProdsSpecs specObj = (ShopChildProdsSpecs)kvp.Value;

                dt.Rows.Add();

                existingFeatList.Add(specObj.getFeatId(), specObj.getFeatId());

                dt.Rows[counter]["FeatId"]   = specObj.getFeatId();
                dt.Rows[counter]["FeatName"] = Features.getFeaturebyIdwoSpecDB(specObj.getFeatId()).getFeatureName();
                dt.Rows[counter]["SpecText"] = specObj.getSpecText();
                if (!specObj.getFromSpecId().Equals(""))
                {
                    dt.Rows[counter]["FromSpec"] = Specifications.getSpecificationDetailbyIdDB(specObj.getFromSpecId()).getSpecName();
                }
                if (!specObj.getToSpecId().Equals(""))
                {
                    dt.Rows[counter]["ToSpec"] = Specifications.getSpecificationDetailbyIdDB(specObj.getToSpecId()).getSpecName();
                }

                String[] imgPath = specObj.getImgPath().Split(new String[] { "\\" }, StringSplitOptions.RemoveEmptyEntries);
                dt.Rows[counter]["imgName"] = (imgPath != null && imgPath.Length > 0 ? imgPath[imgPath.Length - 1] : "N\\A");
                counter++;
            }

            GridView1.DataSource = dt;
            GridView1.DataBind();
            GridView1.Visible            = true;
            GridView1.Columns[2].Visible = false;

            Session[SessionFactory.PRODUCT_SPECIFICATION_EXISTING_FEAT_LIST] = existingFeatList;
            Session[SessionFactory.ALL_PROD_SPECIFICATION_DATAGRID]          = dt;
        }