mvc webgrid actionlink popup

html.actionlink in mvc3 razor error in assigning a class name:

 

hai  i am trying to work with partialview popup on webgrid column click by using action click i am not able to assign a classname to the actionclick

 

the code is 

 

Model.grid.Column(columnName:"Conformation_email",header:"Conformation e-mail", format:@@Ajax.ActionLink(linkText: (string)@item.Conformation_email,actionName: "GetSCTargetSystem",new { controller = "MyController", id = 1 }, new { @class = "my-class" }) )

and 

 at new it is showing error like

named argument specification must appear after all fixed arguments have been specified.