protected void dg_UpdateCommand(object source, DataGridCommandEventArgs e)
        {
            try
            {
                string  strID      = dg.DataKeys[e.Item.ItemIndex].ToString();
                int     nStrID     = Convert.ToInt32(strID);
                string  strKeyword = "";
                TextBox txtKeyword = e.Item.FindControl("txtKeywordE") as TextBox;
                if ((txtKeyword != null))
                {
                    strKeyword = txtKeyword.Text;
                    var        db            = new Pizza15Model();
                    tblKeyword UpdateKeyWord = db.tblKeywords.FirstOrDefault(x => x.ID.Equals(nStrID));

                    if (UpdateKeyWord != null)
                    {
                        UpdateKeyWord.Keyword = txtKeyword.Text.Trim();
                        db.SaveChanges();
                    }
                }
                else
                {
                    lblError.Text = "Error finding the Keyword";
                }

                dg.EditItemIndex   = -1;
                dg.ShowFooter      = true;
                Session["Keyword"] = null;
                GetData();
            }
            catch (Exception ex)
            {
                lblError.Text = ex.Message;
            }
        }
        protected void dg_ItemCommand(object source, DataGridCommandEventArgs e)
        {
            try
            {
                if (e.CommandName == "AddANewRow")
                {
                    var     db         = new Pizza15Model();
                    string  strKeyword = "";
                    TextBox txtKeyword = e.Item.FindControl("txtKeywordF") as TextBox;
                    if ((txtKeyword != null))
                    {
                        var strQueryMax = db.tblKeywords.Max(x => x.ID);
                        int nMaxID      = Convert.ToInt32(strQueryMax);
                        strKeyword = txtKeyword.Text;

                        var strQuery = new tblKeyword();
                        strQuery.ID      = nMaxID + 1;
                        strQuery.Keyword = strKeyword;
                        db.tblKeywords.Add(strQuery);
                        db.SaveChanges();
                    }
                    else
                    {
                        lblError.Text = "Error finding the Keyword";
                    }

                    Session["Keyword"] = null;
                    GetData();
                }
            }
            catch (Exception ex)
            {
                lblError.Text = ex.Message;
            }
        }