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Adding multiple data sources from the same namespace will cause a clash in your form. And in fact will assist you by preventing you from making this mistake. A warning message is displayed in the Add Data Source panel when you click plus.
Similarly, multiple XSD files composing a single logical namespace is not supported. Instead, merge all XSD files for the same namespace into a single XSD file and then upload into .
Generating Controls from Schema Elements
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This will change the control's appearance ''' but will not affect how the control validates data'''. If you need to modify the control's validation behavior, you must update the schema.
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When you open (edit) any form/workflow that used the schema, the Data Sources area will be refreshed automatically. Do not delete the updated elements from the Data Sources area unless you are absolutely sure no controls in your form were generated from the elements in the previous version of the schema. ''' Also, do not delete the elements and try to re-add them'''. This will cause any controls that relied on the schema to become unbounded and moved out of the schema XML document into the form's default XML document.
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