Validate Activity Doesn't work for String type Element

Question

Hi Experts,
I am using Validate Activity in my project to validate the variable against the Schema
In my XSD I have element with below definition:
*<xsd:element name="XXXXX" type="xsd:string" minOccurs="1" nillable="false"/>*
When I pass NULL value to XXXX its getting processed successfully. Whereas it supposed to throw an error like 'XXXX" can't be empty
_When I change my XSD for this element like:_
*<xsd:element name="XXXXX" type="xsd:integer" minOccurs="1" nillable="false"/>* and when I pass NULL value to XXXX it gives below error
Invalid data: The value for variable "VariableResult", part "body" does not match the schema definition for this part Invalid text '' in element: 'XXXX'
Same is the case with Validate check box in ASSIGN activity
I need to check *40+ string elements* to make sure they are NOT NULL, Please can you suggest what the fix for the issue or alternate approach to achieve the same.

Answer 1

Hi,
I suspect that when you talk about "null" value for a string in fact you talk about an empty value (<node/> or <node></node>) which is different and will generate an error in the case of an integer because "empty" is not an integer.
A null value is represented by <node xsi:nil="true"/>.
Of course I can be wrong.
If you want to raise an exception on empty string you should use this kind of declaration inside your XSD :
<xsd:element name="XXXXX" minOccurs="1">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:minLength value="1"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
regards,
mathieu
Edited by: mathieu.d on Feb 7, 2013 9:02 AM