Retrieving form data from tasks using the web service API

To retrieve form data from tasks by using the web service API, perform the following steps:

1.	Include project files

•	Create a Microsoft .NET client assembly that consumes the TaskManagerQueryService WSDL. (See Creating a .NET client assembly.)

•	Reference the Microsoft .NET client assembly. (See Referencing the .NET client assembly.)

2.	Create a TaskManager Client API object

•	Using the Microsoft .NET client assembly, create a TaskManagerServiceService object by invoking its default constructor.

•	Set the TaskManagerServiceService object’s Credentials data member with a System.Net.NetworkCredential value that specifies the user name and password value.

3.	Retrieve the form associated with a task

Get the form used in the task by invoking the TaskManager object’s getFormInstanceForTask method and passing the following values:

•	The task identifier value that specifies the task

•	A System.Boolean value that specifies whether the task identifier was specified

•	The form identifier value

•	A System.Boolean value that specifies whether the form identifier was specified

•	A System.Boolean value that specifies whether to retrieve form data (for this task, specify true)

•	A System.Boolean value that specifies whether the previous parameter was specified (for this task, specify true)

The getFormInstanceForTask method returns a FormInstance object that contains form data.

4.	Get form data

•	Get form data by getting the value of the FormInstance object’s document data member. This data member returns a BLOB instance that contains form data.

•	Save the data to an XML file by creating a System.IO.FileStream object by invoking its constructor and passing a string value that represents the XML file location.

•	Create a byte array that stores the data content of the BLOB object. Populate the byte array by getting the value of the BLOB object’s binaryData data member.

•	Create a System.IO.BinaryWriter object by invoking its constructor and passing the System.IO.FileStream object.

•	Write the contents of the byte array to the XML file by invoking the System.IO.BinaryWriter object’s Write method and passing the byte array.

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