I own several of these books myself, and I thought it would be helpful to have links to the publisher page for code examples, bonus chapters and errata. This book goes into great depth on the inner workings of PowerShell and why certain decisions were made during development. Bruce is a founding member of the Windows PowerShell team at Microsoft, and the principal author of the language implementation.
Don Jones, Jeffery Hicks. Lee Holmes. Ed Wilson. Sherif Talaat, Haijun Fu. Adam Driscoll. Douglas Finke. Richard Siddaway. Yaroslav Pentsarskyy. Switch back to the list view and take note of the fact that only one item is displayed in the view despite adding two items. This is an example of how our view filters out the item based on the defined Expiry date column. In this recipe, we customized a view for our newly created announcements list.
The view has been assigned some of the filtering options to show only the selected set of items. Also, this recipe demonstrates some of the view parameter changes to enhance view usability. In this recipe, we define the site URL: intranet. We also specify the title and the description of our announcements list. Once created, the list is assigned a default list view.
In other words, you cannot filter items based on the field that has not been explicitly added to the view, even if that field is already available in the list. The query also defines the item filtering clause whereby any item must have the Expires field value greater than today's date in order to be displayed in the list view.
Next, we define some of the general list parameters, such as enabling in-line editing. In-line editing will add a user interface to the list view, allowing users to edit the item within a view without bringing up the item edit form. The last parameter change we made to the view was setting the RowLimit value. This property value specifies how many items are going to be displayed for a given view. The default page view item limit is 30 items. We conclude by adding a few test items to the list which demonstrates how our view can filter out items based on the query, as well as allow in-line editing for list items.
This recipe demonstrates how complex tasks involved with list view adjustments and changes can be automated across an entire farm using PowerShell.techedbrains.com/assets/map23.php
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Since all of the rules were defined in an associated content type, users will not need to define those rules again for each list which uses the content type. This powerful concept makes content types incredibly popular in many organizations. Chapter 3 As your site goes through its life cycle, your business users will ask you to modify the content type or add a new one and associate it to a variety of lists.
When using the SharePoint user interface, the provisioning process could take a very long time. Let's see how much more efficiently this task can be accomplished with PowerShell. For this recipe, we are using PowerGUI to author the script, which means you need to be logged in with an administrator's role on the target Virtual Machine. As a result, your PowerShell script will create a content type with output results similar to the following screenshot: Chapter 3 6.
On the Quick launch menu of your site, under the Lists section, locate the list titled Announcements List. From the list of the General Settings group, click the Advanced Settings link and ensure that the Allow management of content types option is set to Yes, as shown in the following screenshot: Switch back to the list settings and ensure that both the Announcements and our custom EventCT associated with the list are listed in the Content Types section as shown in the following screenshot: Switch back to the default view of the list and click the Items tab from the ribbon.
Select the New option and ensure you can select two of the available content types for our list, as shown in the following screenshot.
Learn PowerShell & SharePoint: A Beginners Reference Guide to Get Started
Before our custom content type association this list was designated just for announcements. Since content types define the rules and metadata associated with your business content, routing changes and updates to the content types are inevitable over time and across the entire SharePoint farm. This recipe demonstrated how a task commonly known to be time consuming and mainly performed only during SharePoint solution deployment, can be automated and run anytime a content type update is required.
In this recipe, we define the site URL where our new list is going to be created: We also specify the title and the description of our list, which is an announcements list. Next, we create the announcements list instance and add it to the Quick launch menu. Each content type inherits from a chosen parent content type. SharePoint has a variety of content types available to choose from which serve the purpose of the base type to be derived from.
ContentTypes, "EventCT" In the preceding code, when a new content type object is created, we specify parameters such as: ff ff ff Content type parent The collection of content types The title of out content type When ready, we add the content type to the collection of available content types on the site. The copy of the content type we created is no different than its parent, which does not help anyone yet.
Usually, content types have different fields which represent a different type of business content. Those fields have a variety of types just as SharePoint list fields do. Without being associated to the list, a content type cannot be used since no instances of it can be created. In our recipe, this means that the announcements list can now hold our custom events and announcements at the same time.
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This approach simplifies the required setup involved in manual configuration across multiple environments. Alternatively, when troubleshooting an existing environment with existing BCS connections established, creating a replica of that environment is crucial to be able to reproduce issues reported by users. In this chapter, we'll take a look at how you can export an already defined BCS model to be used in your sandbox environment. When exposing external data to business users, you will require to create instances of external lists which will be used by your users.
In this chapter, we'll take a look at how you can create an external list connecting to your BCS data using PowerShell.
We'll also take a look at how you can manage permissions on already created external list. Automating this set of tasks using PowerShell will demonstrate a significant advantage when deploying a new or existing solution to the target environment. As your users work with external business data, they will use many of SharePoint's tools to pull and update external data. Heavy usage may result in spikes in performance of the external system which can sometimes affect the functionality of your external application. We'll take a look at how you can throttle the usage of the data coming from an external system.
Users also like to access data from other external business applications within their collaboration environment. For example, you may be asked to allow users to access business performance data from custom a CRM system. This may sound like a complex task, but with BCS you can create a connection to external data in no time. In this recipe, we'll learn exactly what's involved in exporting a BCS model, and then create a PowerShell script which provisions a custom BCS model into your site.
Once the model is provisioned, in the Creating instances of external lists with PowerShell recipe in this chapter, we'll see how you can provision a list which consumes our external data. At the end of this recipe, you will be all set with the script allowing you to import custom SharePoint BCS models. We'll use PowerGUI to author the script, so ensure you're logged in with an administrator's permissions on the target Virtual Machine. We'll assume you have a SharePoint Designer client application installed on your target environment which we'll use to export our BCS model.
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Let's take a look at how you can import a custom BCS model into SharePoint using the following sequence: 1. Select the Supplier Info model in the main window of the application and click the Manage Export BDC Model button of the ribbon as shown in the following screenshot: 5.
Provide the model filename as model1 and chose to save the file to your desktop. Locate the model1. Search for the following declaration in the model1. Let's now switch back to our SharePoint Designer application. Press the Refresh button at the top of the SharePoint Designer application window. First, we defined the script variables used. In this recipe, the variables only include a site URL. Once a PowerShell snap-in has been loaded, we connect to the root site of our SharePoint site collection to ensure that the site exists.
The BdcObjectType parameter specifies the type of the metadata object to return. The Path specifies the path and name where the model is defined. In our case, the model file is model1. We also use the following optional parameters: ff ff ff ff Force instructs the command-let to overwrite the BCS Model if the file exists. A model contains the base XML metadata for a system. External business connectivity models are no exception. In this recipe, you will see how this process can be radically simplified by using PowerShell. The benefit of performing this type of operation using a PowerShell script gives you the ability to have a defined and traceable set of items to be exported from your environments.
Additionally, by using the PowerShell approach, you will not be required to install any of the client applications, such as SharePoint Designer, on the server, which is a recommended strategy for any production server environment. For this recipe, we'll use PowerGUI to author our script, which means you will need to be logged in with an administrator's role on the target Virtual Machine.
Let's take a look at how you can export the BCS model using the following sequence: 1. Click Application Management Manage service applications. Click Business Data Connectivity Service, as shown in the following screenshot: Ensure in your ribbon under View category, you have BDC Models selected from the drop-down as shown in the following screenshot: 5. At the bottom of the page, you will see the list of the available BDC models.
Take note of model1 which we previously imported in Importing a custom BCS model to SharePoint recipe, as shown in the following screenshot: 6. On your server desktop, you will now see the exported model file created with the filename as defined in the script: model1. As in our previous recipe, we started by defining the script variables.
In this recipe, we defined the site URL: Once a PowerShell snap-in has been loaded, we connect to the root site of our SharePoint site collection to ensure that the site exists. We also need to specify the name of the model in the Name parameter. The name of the BDC model can be extracted from the Central Administration of your site as you've seen in the step sequence in the How to do it section.
The ServiceContext specifies the service context of the BCS Metadata Store metadata object, which in our case is The rest of the parameters are optional. The Path specifies the path and name where the model will be created. In our case, the model file was model1. We also use the following optional parameters: ff ff ff ModelsIncluded specifies that models are included in the imported BCS Model file.
However, the BCS model can only be used when users interact with the business data the model connects to. One of the most common containers of the business data is a SharePoint external list. In this recipe, we'll see how you can automatically provision and configure an external list to connect to the BCS system, as well as how you can configure some of the parameters of the data retrieval from the BCS system.
The scenario described in this recipe will help you to provision consistently configured instances of SharePoint external lists when new external lists functionality are required to be added to an existing SharePoint solution. As opposed to provisioning external lists manually, or using a solution package, by using PowerShell, you will be able to provision external lists without causing environment down time.
Let's take a look at the following sequence to see how you can use PowerShell to provision external lists into the site: 1. On the quick launch menu of your site, click All Site Content. Under the Lists section, open Test List Instance. You will be able to see the external data loaded into the list view similar to the one shown in the following screenshot: How it works SPListDataSource The preceding command created the instance of the data source object which now needs the connection information to connect to our BCS data.
The connection information is assigned in a series of properties. The LobSystemInstance property specifies an instance of the external entity. To retrieve the value of LobSystemInstance for your script, follow these steps: 1. Click Business Data Connectivity Service from the list of available service applications. From the list of available BCS external content types, click the link representing a particular system you would like to connect to, in our example called Test Model. The next property assigned to the data source is the EntityNamespace, which is a namespace allowing SharePoint to disambiguate external connections defined.
The value of EntityNamespace can be retrieved from the preceding Central Administration user interface as well. The SpecificFinder is responsible for retrieving individual item information from the external system. Although using SharePoint, you can also perform variety of other functions on your external data, being able to retrieve a single item is a minimum requirement to be able to create an external data connection. By default, the SpecificFinder value is Read Item but can be named differently if your developers choose to name it differently.
By specifying the data source in the Add parameter, SharePoint fills the underlying list object and related properties with values specific for interaction with external lists. There's more SharePoint external lists, although created using the same object as a native SharePoint list, have trimmed down functionality. If you open an item from the external list instance, you will see that much of the functionality available in a native list is disabled right from the ribbon user interface, as shown in the following screenshot: This difference between external and native SharePoint lists is important to understand from a PowerShell script authoring perspective.
When interacting with external list properties, you must remember that some of those properties, although available on the list object, will have no bearing on the state of the object since they are not supported for external lists.
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The following is an example of making the external list available on the Quick launch, where we assume you have an existing external list called Test List Instance available on the root of the site: Mobile Game Development. Virtual Reality. Game Engines. Embedded Systems. Home Automation. Industrial Internet of Things. Move to deep dive explanation and keep more detail how the PowerShell script will implement.
Chapter 5 , Managing SharePoint Metadata and Social Features using PowerShell: Learn all about performing the most common configurations around SharePoint taxonomy features and user profile services. Chapter 7 , Managing SharePoint Site Content in Bulk using PowerShell: Configure content on SharePoint pages including bulk provisioning and configuration publishing pages, content types and web parts. Chapter 9 , Administrating Web Application and Server Administration in SharePoint with PowerShell: Simplify SharePoint server management by using PowerShell for tasks like web application settings, configuration and monitoring, sandbox features, and more.
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