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<asp:DataList ID="DataList2" runat="server">
<ItemTemplate>
<TABLE>
<TR height=26>
<td>
<%#Eval("username")%>
</td></TR>
</TABLE>
</ItemTemplate>
</asp:DataList>
<%#Eval("rename")!=null?Eval("username"):Eval("rename")%> 不为空时.
protected string SelectName(object rename, object username)
{
//分析 判断:
//可以加入更复杂的 判断
//xxxxxxx
return string.IsNullOrEmpty((string)(rename))?username:rename;
}
<%#Eval("rename")as string==null?Eval("username")as string:Eval("rename")as string %>
'<% #SelectName(Eval("rename"),Eval("username")) %>'
protected string Repeater1_ItemDataBound(object rename, object username)
{
//分析 判断:
//可以加入更复杂的 判断
//xxxxxxx
return string.IsNullOrEmpty((string)(rename))?username:rename?
}
<%#Eval("rename")??Eval("username")%>
<%#Eval("username")%>
=>
<%# string.IsNullOrEmpty((string)(Eval("rename")??""))?Eval("username"):Eval("rename")%>
<td>
<%# (String.IsNullOrEmpty(Eval("rename") as String) ? Eval("username") : Eval("rename"))%>
</td>