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Fix SharePoint Error: Web Part Is Not on This Page (GetLimitedWebPartManager)
Question details
The user is experiencing a failure when trying to retrieve web parts from a SharePoint classic site using the GetLimitedWebPartManager API, resulting in the error message: 'The operation could not be completed because the web part is not on this page.'
- Product
- SharePoint
- Device & OS
- not provided
- Scenario
- Developing or running custom code to manipulate web parts on a SharePoint classic site page.
- Observed behavior
- The API call fails and throws an exception stating the requested web part instance cannot be found on the page, halting the code execution.
Verify that you are targeting the exact SharePoint classic site page URL in your code and that your developer account has sufficient designer or administrative permissions on the site.
Verify the Page URL and Web Part Identifier
Ensure that your code is referencing the correct page context and passing the exact ID string for the deployed web part instance.
The GetLimitedWebPartManager method relies on absolute precision regarding the page context. If the URL points to a different view or an unpublished version of the page, the API will not be able to locate the web part.
Review your code to ensure the URL being passed to the Web object exactly matches the classic page where the web part is deployed.
Open the SharePoint page in your browser, enter Edit mode, and inspect the web part properties. Ensure the identifier you are passing to the API exactly matches the instance ID of the web part on that page.
Ensure you are opening the WebPartManager in Shared scope (PersonalizationScope.Shared) rather than Personal scope, as user-specific personalization can hide web parts from global queries.
Check Page Permissions and Check-Out Status
Lack of permissions or an unpublished page state can hide web parts from the API.
Consult the Microsoft Q&A SharePoint Development Forum
For persistent code-specific exceptions, provide your stack trace to the dedicated SharePoint developer community.
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Frequently Asked Questions
Why does GetLimitedWebPartManager return 'web part is not on this page' when I can see it in my browser?
This commonly occurs if the page is checked out to your user account but hasn't been published, or if the web part was added as a personal view personalization rather than a shared web part. Ensure the page is checked in and you are retrieving shared web parts in your code.
Can I use GetLimitedWebPartManager for modern SharePoint site pages?
No, GetLimitedWebPartManager is primarily designed for classic SharePoint pages. Modern site pages handle web parts differently using the SharePoint Framework (SPFx) and require using the modern page API for manipulation.
Where can I get specialized help for my SharePoint development code?
It is highly recommended to post your stack trace, specific code snippet, and page configuration to the Microsoft Q&A forum. Using the 'sharepoint-dev' tag will direct your query to qualified respondents and Microsoft partners who specialize in SharePoint programming.
