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Converting to a Data Connection Library The rst step is replicating what you learned in 14 We have a data connection library under the root site collection called dcl We use the Convert button on the Data Connections dialog to make our connection use a UDC le in that DCL But instead of using the Relative to site collection option as the connection link type, we choose Centrally managed connection library (advanced), as shown in Figure 1726 Selecting this link type tells InfoPath to only use the CMCL when a user lls out a form template In other words, converting this connection doesn t put the udcx le into the CMCL It puts it into the DCL as de ned in the path of the Convert Data Connection dialog shown in Figure 1726 InfoPath will not put a le into the CMCL for you; it must be done manually using the Central Administration site
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Figure 1726: The Convert Data Connection dialog
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Once we re nishing creating the DCL-based data connection, the Data Connection dialog shows (under the Connection source property) the link type as store instead of relative The store link type is synonymous with the CMCL (The sample form template is called bonacci-cmcl) Instead of creating a new DCL-based data connection as we do in this sample, you may already have a DCL connection you prefer to use If so, you can start in the Data Connections dialog as we did earlier Instead of clicking the Convert button (which will be disabled because the connection was already converted), click the Modify button to open the Connection
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Figure 1727: Connection Options dialog when modifying a server-based connection
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Options dialog (Figure 1727) Note that the Connection source setting is listed as _layouts/GetDataConnectionFileaspx Udc= budcx In a moment we ll take a closer look at the GetDataConnectionFileaspx Web page Uploading the Resulting udcx File to the CMCL If we were to publish this form template to Forms Services, it would be broken Any attempt to use it in the browser or InfoPath client would fail to query the data connection that we converted It fails because Forms Services and InfoPath both expect the data connection to be de ned in the CMCL But it s not there yet! Let s upload our DCL-based connection to the CMCL The CMCL is a special library in the SharePoint Server Central Administration site Unlike a DCL, there is neither a library to create nor any special settings to con gure To navigate to the CMCL, start by going to the Central Administration site Click on the Application Management tab and look under the InfoPath Forms Services section for the Manage data connection les link The only option is to upload a new connection le Clicking the button shows the Upload Data Connection File page (Figure 1728) In the File name box, we enter the location of our udcx le in the DCL from the previous step In this case, we use the path C:\ budcx because we copied the udcx
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Figure 1728: Uploading to the centrally managed connection library
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le to the C drive root on the local computer You could also reference the udcx le directly from the DCL at http://mycomputer/dcl/ budcx if the le isn t already copied to your computer The Category box is optional and used simply as a pivot for sorting the connections in the CMCL You can also modify the category later The Web Accessibility setting either denies (default) or allows HTTP access to get the connection le Basically, this determines whether or not the InfoPath program can use the connection at all InfoPath gets server-de ned data connections through HTTP, while Forms Services can get the connection information directly from the server If you do not check the Allow HTTP access to this le checkbox, InfoPath cannot use this connection Clicking the Upload button adds the udcx le to the CMCL
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