public string updatedelete(string id, string obj) { string rs = ""; datacontext db = new datacontext(); string table = ""; if (obj == "customer") { table = "customer"; } else if (obj == "ItemList") { table = "ItemList"; } else if (obj == "house") { table = "warehouse"; } else if (obj == "employer") { table = "employee"; } rs = db.updatecolumndelete(id, table); return(rs); }