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EditingStatus Cannot Be Set to Closed
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While it s tempting to set EditingStatus to Closed, it does not work as you would expect The form is considered closed (and is re ected as such by the EditingStatus) only when one of the following actions occurs The form is closed by clicking the Close button in the toolbar Form submit is con gured to close the form after a successful submit
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18: Hosting InfoPath
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Table 184: All Properties of the XmlFormView Control (Includes Properties from Table 183 but No Inherited Properties) XmlFormView Property ShowHeader Returns Boolean Comments
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Sets or gets the visibility of the top toolbar Sets or gets the visibility of the bottom toolbar Returns the visibility status of the print view window Sets or gets the editing state of the XmlFormView control; cannot set EditingStatus to Closed Gets the resulting submit status after main submit finishes Gets or sets the form template location Gets or sets the server portion (base) of the URL for all subsequent Web service data connections Gets or sets the form location Returns the XmlForm object; similar context as code behind a form template Gets or sets the default save location for when the form is saved Sets to DisableSave to disable the Save toolbar button
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ShowFooter
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Boolean
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PrintWindow
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Boolean
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EditingState
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EditingStatus enumeration
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SubmitState
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XsnLocation
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String
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DataConnectionBaseUrl BaseUrl
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String
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Hosting the InfoPath Form Control in a Web Browser
While it s great to have the entire XmlForm object at our disposal, it s very important to understand that not all of its members are accessible For example, you can try to reference the errors in the form by using XmlFormView1XmlFormErrors While the ASPNET host page will build ne in Visual Studio 2005, you may be surprised to see what happens when that code runs An exception is thrown by InfoPath Forms Services with the message Calling this property or method from a hosting page is not supported Unfortunately, there s no good way to tell which properties and methods are supported and which are not without trying to use them Luckily, we ve done the dirty work to get you a list of properties and methods that cannot be called from the host page See Table 185 for a complete list of
Table 185: Properties and Methods Not Available to the ASPNET Host Page Object XmlForm XmlForm XmlForm XmlForm XmlForm Property/Method Template Errors ViewInfos CurrentView SignedDataBlocks Returns FormTemplate FormErrorCollection ViewInfoCollection View SignedDataBlock Collection DataConnection Collection DataConnection
XmlForm
DataConnections
XmlForm
QueryData Connection NotifyHost(string) QueryConnection GetNamedNode Property(xmlNode, name) SetNamedNode Property(xmlNode, name)
XmForm DataObject DataObject
void DataConnection String
DataObject
void
18: Hosting InfoPath
Table 186: Events the ASPNET Host Page May Not Sink Event Type Form Event Name Loading Comments
Use the ASPNET Page Load or Form Initialize events instead Should be handled by the form template Should always be directly handled by the form template Submit can be configured to call the hosting environment Should be handled by the form template Should be handled by the form template Should be handled by the form template Should be handled by the form template
Form
VersionUpgrade
Form
Submit
Form
ViewSwitched
XmlEvent[xpath]
XmlEvent[xpath, dataObjectName] Clicked
Button
restricted OM methods and properties In the next section, we ll show you a workaround to get the errors from InfoPath to the XmlFormView control In addition to the properties and methods listed in Table 185, the host is not permitted to attach event handlers You are accustomed to having the Form, Xml, and Button event handlers attached for you by InfoPath in the InternalStartup method While the host is not allowed to attach to the events listed in Table 186, it does not really stop the host from doing something during any of these events By writing form code behind the form template for any of the events listed in Table 186, you can have the form code call into the host by using the InvokeHost method We ll look at an example that uses the InvokeHost method to call into the host in the next section
InfoPath to Host Communication It s easy to see that many Web sites on the Internet (and intranet sites as well) use forms Many of those forms do not (quite yet) leverage the power of