1、前台代码:
<asp:TextBox ID="TextBox1" runat="server" onfocus="return show();" ReadOnly="true" ></asp:TextBox><asp:Calendar ID="Calendar1" runat="server" OnSelectionChanged="Calendar1_SelectionChanged" Style="display:none;"></asp:Calendar> <script type="text/javascript"> function show() { document.getElementById("<%= Calendar1.ClientID%>").style.display = "block"; return false; } </script>