三元运算符 在数据绑定中的使用

在使用 datalist 等控件绑定前台数据的时候，有时希望一行只显示定长字符，多出来的部分以省略号代替，我使用三元运算符来做：

< asp:DataList  id ="DataList1"  runat ="server"  RepeatColumns ="5"  Width ="616px" >
                             < ItemTemplate >
                                 < table  border ="0"  cellpadding ="2"  cellspacing ="0"  align ="center"  width ="100%"  height ="100%" >
                                     < tr >
                                         < td  align ="center" >
                                             < div  style ="height:10%;width:10%" >
                                                 <% # DataBinder.Eval(Container.DataItem,"picexplanation").ToString().Length>10?DataBinder.Eval(Container.DataItem,"picexplanation").ToString().Substring(0,10)+"":DataBinder.Eval(Container.DataItem,"picexplanation") %>
                                             div >
                                         td >
                                     tr >
                                     < tr >
                                         < td  align ="center" >
                                             < div  style ="height:90%;width:90%" >
                                                 < a  href ='viewphoto.aspx?imgurl=<%#  DataBinder.Eval(Container.DataItem,"primitivepic")% > ' target="_blank">
                                                     < IMG  height =88  src ='../../../../../../upload_pic/userpic_small/<%#  DataBinder.Eval(Container.DataItem,"primitivepic")% > ' width=88 border=0> a > div >
                                         td >
                                     tr >
                                 table >
                             ItemTemplate >
                         asp:DataList >

用 Substring(x,x)定你需要显示的长度，而且表格高度都是固定的，这样在首页显示起来比较美观，不至于因为数据过长而导致变形，其实使用 div+css可以做的更好些，但是俺还没有学好那个东西，呵呵。大家有好的办法多多讨论，共同进步

转载于:https://www.cnblogs.com/devngm/archive/2007/04/11/708416.html