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SharePoint 更改内容类型下拉

我已将应用程序页面附加到基于自定义文档的内容类型作为其编辑表单。该内容类型在附加了多个内容类型的文档库中使用。

SharePoint 表单字段控件正确呈现各个字段。更改内容类型控件还会在下拉列表中列出与列表相关的所有内容类型。但是当我更改选择时，意味着当我选择不同的内容类型时，表单不会显示所选内容类型的字段集，而是保持原样。

代码：

<%@ Assembly Name="$SharePoint.Project.AssemblyFullName$" %>
<%@ Import Namespace="Microsoft.SharePoint.ApplicationPages" %>
<%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<%@ Register Tagprefix="Utilities" Namespace="Microsoft.SharePoint.Utilities" Assembly="Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<%@ Register Tagprefix="asp" Namespace="System.Web.UI" Assembly="System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>
<%@ Import Namespace="Microsoft.SharePoint" %>
<%@ Assembly Name="Microsoft.Web.CommandUI, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ApplicationPage1.aspx.cs" Inherits="DMS_POC.Layouts.DMS_POC.ApplicationPage1" DynamicMasterPageFile="~masterurl/default.master" %>
<%@ Register TagPrefix="wssuc" TagName="ToolBar" src="../../../_controltemplates/15/ToolBar.ascx" %>

<asp:Content ID="PageHead" ContentPlaceHolderID="PlaceHolderAdditionalPageHead" runat="server">

</asp:Content>

<asp:Content ID="Main" ContentPlaceHolderID="PlaceHolderMain" runat="server">
            <table>
            <tr>
                <td>
                    <span id='part1'>
                        <SharePoint:InformationBar ID="InformationBar1" runat="server" />
                        <div id="listFormToolBarTop">
                            <wssuc:ToolBar CssClass="ms-formtoolbar" id="toolBarTbltop" RightButtonSeparator="&amp;#160;" runat="server">
                                <template_rightbuttons>
                                    <SharePoint:NextPageButton ID="NextPageButton1" runat="server"/>
                                    <SharePoint:SaveButton ID="SaveButton1" runat="server"/>
                                    <SharePoint:GoBackButton ID="GoBackButton1" runat="server"/>
                                </template_rightbuttons>
                            </wssuc:ToolBar>
                        </div>

                        <SharePoint:ItemValidationFailedMessage ID="ItemValidationFailedMessage1" runat="server" />
                        <table class="ms-formtable" style="margin-top: 8px;" border="0" cellpadding="0" cellspacing="0" width="100%">
                            <SharePoint:ChangeContentType ID="ChangeContentType1" runat="server" />
                            <SharePoint:FolderFormFields ID="FolderFormFields1" runat="server" />


                            <tr>
                                <td>
                                    <SharePoint:FieldLabel ID="lbl_ProposalNumber" runat="server" FieldName="ProposalNo" />
                                </td>
                                <td>
                                    <SharePoint:FormField ID="field_ProposalNumber" runat="server" FieldName="ProposalNo"
                                        ControlMode="Display" />
                                </td>
                            </tr>

                            <tr>
                                <td colspan="2">&nbsp;</td>
                            </tr>

                            <tr>
                                <td>
                                    <SharePoint:FieldLabel ID="lbl_CustName" runat="server" FieldName="CustomerName" />
                                </td>
                                <td>
                                    <SharePoint:FormField ID="field_CustName" runat="server" FieldName="CustomerName"
                                        ControlMode="Edit" />
                                </td>
                            </tr>

                            <tr>
                                <td colspan="2">&nbsp;</td>
                            </tr>

                            <tr>
                                <td>
                                    <SharePoint:FieldLabel ID="lbl_ProposalType" runat="server" FieldName="ProposalType" />
                                </td>
                                <td>
                                    <SharePoint:FormField ID="field_ProposalType" runat="server" FieldName="ProposalType"
                                        ControlMode="Edit" />
                                </td>
                            </tr>

                            <tr>
                                <td colspan="2">&nbsp;</td>
                            </tr>

                            <tr>
                                <td>
                                    <SharePoint:FieldLabel ID="lbl_RevertBy" runat="server" FieldName="RevertBy" />
                                </td>
                                <td>
                                    <SharePoint:FormField ID="field_RevertBy" runat="server" FieldName="RevertBy"
                                        ControlMode="Edit" />
                                </td>
                            </tr>

                            <tr>
                                <td colspan="2">&nbsp;</td>
                            </tr>

                            <tr>
                                <td style="vertical-align:top">
                                    <SharePoint:FieldLabel ID="lbl_Details" runat="server" FieldName="Details" />
                                </td>
                                <td style="vertical-align:top">
                                    <SharePoint:FormField ID="field_Details" runat="server" FieldName="Details"
                                        ControlMode="Edit" />
                                </td>
                            </tr>

                            <tr>
                                <td colspan="2">&nbsp;</td>
                            </tr>

                            <tr>
                                <td>
                                    <SharePoint:FieldLabel ID="lbl_SignRequired" runat="server" FieldName="DigitalSignatureRequired" />
                                </td>
                                <td>
                                    <SharePoint:FormField ID="field_SignRequired" runat="server" FieldName="DigitalSignatureRequired"
                                        ControlMode="Edit" />
                                </td>
                            </tr>

                            <tr>
                                <td colspan="2">&nbsp;</td>
                            </tr>

                            <tr>
                                <td>
                                    <SharePoint:FieldLabel ID="lbl_Amount" runat="server" FieldName="Amount" />
                                </td>
                                <td>
                                    <SharePoint:FormField ID="field_Amount" runat="server" FieldName="Amount"
                                        ControlMode="Edit" />
                                </td>
                            </tr>

                            <tr>
                                <td colspan="2">&nbsp;</td>
                            </tr>

                            <tr>
                                <td>
                                    <SharePoint:FieldLabel ID="lbl_Final" runat="server" FieldName="Final" />
                                </td>
                                <td>
                                    <SharePoint:FormField ID="field_Final" runat="server" FieldName="Final"
                                        ControlMode="Edit" />
                                </td>
                            </tr>

                            <SharePoint:ApprovalStatus ID="ApprovalStatus1" runat="server" />
                            <SharePoint:FormComponent ID="FormComponent1" TemplateName="AttachmentRows" ComponentRequiresPostback="false" runat="server" />
                        </table>
                        <table cellpadding="0" cellspacing="0" width="100%" style="padding-top: 7px">
                            <tr>
                                <td width="100%">
                                    <SharePoint:ItemHiddenVersion ID="ItemHiddenVersion1" runat="server" />
                                    <SharePoint:ParentInformationField ID="ParentInformationField1" runat="server" />
                                    <SharePoint:InitContentType ID="InitContentType1" runat="server" />
                                    <wssuc:ToolBar CssClass="ms-formtoolbar" id="toolBarTbl" RightButtonSeparator="&amp;#160;" runat="server">
                                        <template_buttons>
                                    <SharePoint:CreatedModifiedInfo ID="CreatedModifiedInfo1" runat="server"/>
                                </template_buttons>
                                        <template_rightbuttons>
                                    <SharePoint:SaveButton ID="SaveButton2" runat="server"/>
                                    <SharePoint:GoBackButton ID="GoBackButton2" runat="server"/>
                                </template_rightbuttons>
                                    </wssuc:ToolBar>
                                </td>
                            </tr>
                        </table>
                    </span>
                </td>
                <td valign="top">
                    <SharePoint:DelegateControl ID="DelegateControl1" runat="server" ControlId="RelatedItemsPlaceHolder" />
                </td>
            </tr>
        </table>

</asp:Content>

<asp:Content ID="PageTitle" ContentPlaceHolderID="PlaceHolderPageTitle" runat="server">
Application Page
</asp:Content>

<asp:Content ID="PageTitleInTitleArea" ContentPlaceHolderID="PlaceHolderPageTitleInTitleArea" runat="server" >
My Application Page
</asp:Content>
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1 回答 1

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这是一个老问题，但在寻找其他东西时来到这里。如果您从未找到解决方案或其他人在这里结束，您需要做的是

在您的 aspx 中添加以下内容：

<tr><SharePoint:ListFieldIterator  runat="server" ID="ListFieldIterator1" ControlMode="Edit" ExcludeFields="FileLeafRef"/></tr>

这将允许 ChangeContentType 控件根据内容类型刷新字段。您也不需要所有那些硬编码的表单字段，因为 ListFieldIterator 的目的是为您呈现带有正确控件的表单。

您的下一个问题可能是设置每个控件的值，假设这是您想要做的。对于每种控件类型，您必须查看控件并查找 TextBox 或 DropDownList 等控件。大多数情况下，控件将深入内部，例如 ((TextBox)control.Controls[1].Controls[0 ].Control[2]).Text 不是最优雅的方式，但这就是我能找到的所有方法。

如果您不需要映射值，那么我回答的第一部分就是您所需要的并且应该很容易做到。

祝你好运！

于 2013-12-05T04:05:04.807 回答