The former error has been sorted out... New errors are as follows:
Error 1 Cannot switch views: This end tag has no matching start tag. D:\RomaxChat\whoisonline.aspx 9
Error 2 Validation (Internet Explorer 6): Text is not allowed between the opening and closing tags for element html'. D:\RomaxChat\whoisonline.aspx 8
Error 3 Cannot switch views: Validation (Internet Explorer 6): Element 'title' cannot be nested within element 'html'. D:\RomaxChat\whoisonline.aspx 10
Error 4 Cannot switch views: Validation (Internet Explorer 6): Element 'LINK' cannot be nested within element 'html'. D:\RomaxChat\whoisonline.aspx 11
Error 5 Cannot switch views: This end tag has no matching start tag. D:\RomaxChat\whoisonline.aspx 12
Error 6 Element 'topbanner' is not a known element. This can occur if there is a compilation error in the Web site. D:\RomaxChat\whoisonline.aspx 15
Error 7 Element 'Footer' is not a known element. This can occur if there is a compilation error in the Web site. D:\RomaxChat\whoisonline.aspx 81
Error 8 Cannot switch views: This end tag has no matching start tag. D:\RomaxChat\register.aspx 9
Error 9 Validation (Internet Explorer 6): Text is not allowed between the opening and closing tags for element html'. D:\RomaxChat\register.aspx 8
Error 10 Cannot switch views: Validation (Internet Explorer 6): Element 'title' cannot be nested within element 'html'. D:\RomaxChat\register.aspx 10
Error 11 Cannot switch views: Validation (Internet Explorer 6): Element 'link' cannot be nested within element 'html'. D:\RomaxChat\register.aspx 11
Error 12 Cannot switch views: This end tag has no matching start tag. D:\RomaxChat\register.aspx 12
Error 13 Element 'topbanner' is not a known element. This can occur if there is a compilation error in the Web site. D:\RomaxChat\register.aspx 16
Error 14 Element 'Footer' is not a known element. This can occur if there is a compilation error in the Website. D:\RomaxChat\register.aspx 122
Error 15 Cannot implicitly convert type 'System.Data.OracleClient.OracleDataReader' to 'System.Data.OracleClient.OracleDataAdapter' D:\RomaxChat\App_Code\Components\RoleData.cs 92
Error 16 Cannot convert method group 'Fill' to non-delegate type 'bool'. Did you intend to invoke the method? D:\RomaxChat\App_Code\Components\RoleData.cs 94
Error 17 The best overloaded method match for 'System.Collections.ArrayList.Add(object)' has some invalid arguments D:\RomaxChat\App_Code\Components\RoleData.cs 96
Error 18 Argument '1': cannot convert from 'method group' to 'object' D:\RomaxChat\App_Code\Components\RoleData.cs 96
Warning 19 The variable 'x' is declared but never used D:\RomaxChat\App_Code\Components\UserData.cs 124
Warning 20 Unreachable code detected D:\RomaxChat\App_Code\Global.asax.cs 192 13 D:\RomaxChat\
Hope someone can show some lights on the same...
More are on the way...