public string GeDateFormat(string formatString, string value) { var parameter = new MethodCallExpressionArgs() { IsMember = true, MemberValue = DateType.Year }; var parameter2 = new MethodCallExpressionArgs() { IsMember = true, MemberName = value }; var parameters = new MethodCallExpressionModel() { Args = new List <MethodCallExpressionArgs>() { parameter2, parameter } }; var begin = @"^"; var end = @"$"; formatString = formatString.Replace("yyyy", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); formatString = formatString.Replace("yy", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); parameters.Args.Last().MemberValue = DateType.Month; formatString = formatString.Replace("MM", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); formatString = formatString.Replace("M", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); parameters.Args.Last().MemberValue = DateType.Day; formatString = formatString.Replace("dd", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); formatString = formatString.Replace("d", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); parameters.Args.Last().MemberValue = DateType.Hour; formatString = Regex.Replace(formatString, "hh", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end, RegexOptions.IgnoreCase); formatString = Regex.Replace(formatString, "h", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end, RegexOptions.IgnoreCase); parameters.Args.Last().MemberValue = DateType.Minute; formatString = formatString.Replace("mm", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); formatString = formatString.Replace("m", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); parameters.Args.Last().MemberValue = DateType.Second; formatString = formatString.Replace("ss", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); formatString = formatString.Replace("s", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); parameters.Args.Last().MemberValue = DateType.Millisecond; formatString = formatString.Replace("ms", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end); var items = Regex.Matches(formatString, @"\^\d+\$").Cast <Match>().ToList(); foreach (var item in items) { formatString = formatString.Replace(item.Value, "$@" + UtilMethods.ConvertNumbersToString(item.Value.TrimStart('^').TrimEnd('$')) + "$"); } var strings = formatString.TrimStart('$').TrimEnd('$').Split('$'); var joinStringParameter = new MethodCallExpressionModel() { Args = new List <MethodCallExpressionArgs>() }; foreach (var r in strings) { if (r.Substring(0, 1) == "@") { joinStringParameter.Args.Add(new MethodCallExpressionArgs() { MemberName = r.TrimStart('@') }); } else { var name = base.AppendParameter(r); joinStringParameter.Args.Add(new MethodCallExpressionArgs() { MemberName = name }); } } return(this.GetMethodValue("MergeString", joinStringParameter).ObjToString()); }