Asp.Net(C#)内联编码再进行一次评估合并

Asp.Net(C#)内联编码再进行一次评估合并,c#,asp.net,C#,Asp.net,如何再进行一次评估合并 <asp:HiddenField ID="HiddenField1" runat="server" Value='<%# Eval("Name"),Eval("Surname"),Eval("Mail")%>'/> 试试看 <asp:HiddenField ID="HiddenField1" runat="server" Value='<%# Eval("Name") + "," + Eval("Surname") + "," +

如何再进行一次评估合并

<asp:HiddenField ID="HiddenField1" runat="server" Value='<%# Eval("Name"),Eval("Surname"),Eval("Mail")%>'/>

试试看

<asp:HiddenField ID="HiddenField1" runat="server" Value='<%# Eval("Name") + "," + Eval("Surname") + "," + Eval("Mail")%>'/>