System.FormatException: Input string was not in a correct format.
   at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
   at System.Number.ParseDecimal(String value, NumberStyles options, NumberFormatInfo numfmt)
   at System.Decimal.Parse(String s)
   at AdminPanelAPI.Compliance_mV2.Checkcond(String cond, String Mainvalue, String matchvalue, String Type) in C:\CODES\AdminPanelAPI\AdminPanelAPI\AdminPanelAPI\Compliance_mV2.cs:line 1990