System.FormatException: Input string was not in a correct format. at Microsoft.VisualBasic.CompilerServices.Conversions.ParseDouble(String Value, NumberFormatInfo NumberFormat) at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value) --- End of inner exception stack trace --- at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value) at Sidebar.DisplaySideBar(String sCaptionSel, String sTextSel, Boolean bDisplayWebCategory) at Advancedwebpagefunctions.DisplayFrame(Object HomePage) at Advancedwebpagefunctions.ShowCategory(Boolean bDisplayWebCategory) at Advancedwebpagefunctions.Main() at ASP.advancedwebpage_aspx.Page_Load(Object sender, EventArgs e) -->