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.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) at RPA.UI.Privacy.Page_Load(Object sender, EventArgs e) in D:\a\1\s\RPAWebPortal\Privacy.aspx.cs:line 27