cshtml交替显示行数据

 @{

                            IList<string> styleClassCode = new List<string>();
                            styleClassCode.Add(@sc.StyleClassCode.ToString());
                            var i=0;
                            var length=Mola.Admin.Web.Controllers.ProductController.GetStyleClassLangList(styleClassCode).Count;
                            foreach (Mola.Model.GY_StyleClassLangEntity scl in Mola.Admin.Web.Controllers.ProductController.GetStyleClassLangList(styleClassCode))
                            {
                                if (i <length )
                                {
                                    if (i % 2 == 0)
                                    {
                                            <tr style="background-color:#CCC">
                                                <td width="492">@scl.Title</td>
                                                <td width="395">@scl.Tags</td>                        
                                                <td width="103">@scl.LangName</td>
                                                <td width="55"><a href='EditSytleClassLang.aspx?Action=Edit&id=@scl.Id'>修改</a>
                                                </td>
                                            </tr>
                                    }
                                    else
                                    {
                                            <tr style="background-color:#DEF">
                                                <td width="492">@scl.Title</td>
                                                <td width="395">@scl.Tags</td>                        
                                                <td width="103">@scl.LangName</td>
                                                <td width="55"><a href='EditSytleClassLang.aspx?Action=Edit&id=@scl.Id'>修改</a>
                                                </td>
                                            </tr>
                                    }
                                    i++;
                                }
                            }
                               
                         }