sharepoint 2010 弹出模式窗口showModalDialog并返回值returnResult方法

<asp:ContentID="PageHead"ContentPlaceHolderID="PlaceHolderAdditionalPageHead"runat="server">

<script>

function showDialog() {

var options = {

           url: "ShowDialogPage.aspx",

           args: 7,

           title: "选择页面",

           dialogReturnValueCallback: dialogCallback

       };

       SP.UI.ModalDialog.showModalDialog(options);

   }

//接收返回值方法

function dialogCallback(dialogResult, returnValue) {

//其中dialogResult=1，代表确定，dialogResult=0，代表关闭

if (returnValue != null && dialogResult == 1) {

           alert(returnValue); //弹出窗口

           document.getElementById(‘<%=ItemID.ClientID %>‘).value = returnValue;

       }

return;

   }

</script>

</asp:Content>

<asp:ContentID="PageHead"ContentPlaceHolderID="PlaceHolderAdditionalPageHead"runat="server">

<script>

//返回值方法

function ReturnPageValue() {

       window.frameElement.commitPopup(document.getElementById(‘<%=txtValue.ClientID %>‘).value);

   }

</script>

</asp:Content>

<asp:ContentID="Main"ContentPlaceHolderID="PlaceHolderMain"runat="server">

<inputid="txtValue"type="text"runat="server"/>

<inputid="BtnOK"type="button"value="确定"onclick="ReturnPageValue();"/>

<inputid="BtnClose"type="button"value="关闭"onclick="window.frameElement.cancelPopUp();"/>

</asp:Content>

<asp:ContentID="PageTitle"ContentPlaceHolderID="PlaceHolderPageTitle"runat="server">

应用程序页

</asp:Content>

<asp:ContentID="PageTitleInTitleArea"ContentPlaceHolderID="PlaceHolderPageTitleInTitleArea"runat="server">

我的应用程序页

</asp:Content>