Get the values from devexpress Gridview in asp.net

protected void grvUserDetails_RowCommand(object sender, ASPxGridViewRowCommandEventArg

s e)
    {
        if (e.CommandArgs.CommandName == "Remove")
        {
            int noOfSelectedRequests = grvUserDetails.FocusedRowIndex;
            int id = Convert.ToInt32(e.CommandArgs.CommandArgument.ToString());
            var varSitename = grvUserDetails.GetRowValues(e.VisibleIndex, "FirstName");
            var objValres = grvUserDetailsGetRowValues(e.VisibleIndex, "AreaId");
            var objVal1 = grvUserDetails.GetRowValues(e.VisibleIndex, "Id");
          
        }
    }