protected void Btn_RemoveInt(object sender, EventArgs e) { Button b = (Button)sender; int userId = int.Parse(Session["tourist_id"].ToString()); if (b.ID == "BtnRemFood") { string interestName = "Food"; Interest inter = new Interest(); inter.RemoveInterest(interestName, userId); BtnAddFood.Visible = true; BtnRemFood.Visible = false; } if (b.ID == "BtnRemNature") { string interestName = "Nature"; Interest inter = new Interest(); inter.RemoveInterest(interestName, userId); BtnAddNature.Visible = true; BtnRemNature.Visible = false; } if (b.ID == "BtnRemAP") { string interestName = "Amusement"; Interest inter = new Interest(); inter.RemoveInterest(interestName, userId); BtnAddAP.Visible = true; BtnRemAP.Visible = false; } if (b.ID == "BtnRemCulture") { string interestName = "Culture"; Interest inter = new Interest(); inter.RemoveInterest(interestName, userId); BtnAddCulture.Visible = true; BtnRemCulture.Visible = false; } if (b.ID == "BtnRemShopping") { string interestName = "Shopping"; Interest inter = new Interest(); inter.RemoveInterest(interestName, userId); BtnAddShopping.Visible = true; BtnRemShopping.Visible = false; } }