public virtual string GetFulltextSearchExpr(string expr, string substring, FulltextSearchParams pars) { substring = substring.Replace("@", "@@").Replace("%", "@%").Replace("_", "@_"); return String.Format("({0} LIKE {1} ESCAPE '@')", expr, this.GetSqlLiteral(pars.LikePrefix + substring + pars.LikePostfix, new DbTypeString())); }