Generating the XML schema

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The first screen in the wizard is for the form's default document. This is indicated by the Document Name of "default" displayed in the wizard. The default document maps to all of the controls you added to this form by dragging and  dropping from the palette. This is typically not the document you want to configure.

• Click the Next button to advance from the default document to the next schema document. You should see the Document name change to your schema's document

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• name. 

The next screen has two sections: Read URI and Write URI. Typically, when the form loads,  customers read form data from their database to initialize the form and send the updated XML document to the same database upon form submission. Enter the same URI in the Read URI and the Write URI fields, as shown in the image, with the appropriate SQL statement to run if you are reading from and writing to the same database using the database connector. It is possible to read the form initialization data from one database and then update a different database. Enter different URIs in the Read URI and the Write URI fields if this is your situation.

• Enter the database connector Url to your query in the wizard's URL input. If the database connector is running in the same host and port as the  form server, then you can omit http://<host>:<port>/ from the URL. See this example below.

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You also must specify which of the four SQL statements to run—you do this by choosing the appropriate values in the Document URI Read Method and Document URI Write Method dropdowns according to the table below. (You may notice in the Forms Designer that the Document URI Read Method drop down box includes a POST option, but it is not shown below because it is not used by the database connector.)

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• Read Method - Choose GET if your form will be initialize initialized with data from your database; leave the dropdown blank if it won’t. (Don’t set the Read Method to POST; this is used for integrating forms with different back ends.) 
• Write Method - If your form is read-only, leave this blank. Otherwise, use the chart above chose either PUT or POST. PUT maps to the update method while POST maps to create.

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Let's assume that you defined a Document URI the same Document URI in the Read and Write URI fields in the wizard for a schema in the form, a GET Read Method and a PUT Write Method.

When a user loads your form, a GET request for that URI will be sent to the database connector. That will cause the database connector to execute the retrieve operation for the query specified in the URI, take the result of the SQL execution and transform it to XML. The database connector will than then return the resulting XML back to the form which will be initialized with the contents of the XML file.

When the user submits the form, the same URI will be executed but now with the PUT (or POST) method. The database connector will than execute the updade update operation identified by that URI.

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