System.FormatException: Input string was not in a correct format. at System.Number.ParseDouble(String value, NumberStyles options, NumberFormatInfo numfmt) at System.Convert.ToDouble(String value) at shoing_insurance.val(Int32 x) in c:\inetpub\vhosts\goearn.in\httpdocs\managements\associates\wallets\insurance.aspx.cs:line 96