Restricting data

[=?Utf-8?B?RG9u?=]

Hi

I am trying to put value restrictions on certain elements in an xml file
using a schema file.
The syntax in my schema file looks like the following


<xs:element name="AXYZMachi nes" msdata:IsDataSe t="true"
msdata:UseCurre ntLocale="true" >
<xs:complexType >
<xs:choice minOccurs="0" maxOccurs="unbo unded">
<xs:element name="MotionPar ameters">
<xs:complexType >
<xs:sequence>
<xs:element name="FeedRateM AX" type="xs:double ">
<xs:restricti on base="xs:double ">
<xs:minInclusiv e value="0"/>
<xs:maxInclusiv e value="1000"/>
</xs:restriction>
</xs:element>
<xs:element name="PlungeRat eMAX" type="xs:string "
minOccurs="0" />
<xs:element name="TravelRat eMAX" type="xs:string "
minOccurs="0" />
<xs:element name="TravelRat e" type="xs:string " minOccurs="0" />
<xs:element name="PlungeRat e" type="xs:string " minOccurs="0" />
<xs:element name="FeedRate" type="xs:string " minOccurs="0" />
<xs:element name="JogSpeedM ode" type="xs:string " minOccurs="0"
/>
<xs:element name="SeekXYSpe ed" type="xs:string " minOccurs="0" />
<xs:element name="SeekZSpee d" type="xs:string " minOccurs="0" />
<xs:element name="JerkGrate " type="xs:string " minOccurs="0" />
<xs:element name="Accelerat ionG" type="xs:string "
minOccurs="0" />
<xs:element name="AccelMAX" type="xs:string " minOccurs="0" />
<xs:element name="JerkMAX" type="xs:string " minOccurs="0" />
<xs:element name="Centripet alG" type="xs:string " minOccurs="0"
/>
<xs:element name="BrakeG" type="xs:string " minOccurs="0" />
<xs:element name="ArcError" type="xs:string " minOccurs="0" />
<xs:element name="MinLength " type="xs:string " minOccurs="0" />
<xs:element name="CornerPau se" type="xs:string " minOccurs="0" />
<xs:element name="StartPaus e" type="xs:string " minOccurs="0" />
<xs:element name="JerkFacto r" type="xs:string " minOccurs="0" />
<xs:element name="Centripet alAcceleration" type="xs:string "
minOccurs="0" />
<xs:element name="LinearAcc eleration" type="xs:string "
minOccurs="0" />
</xs:sequence>
</xs:complexType>
</xs:element>

I also have the following C# code that reads the schema in

dsMachineParame ters = new DataSet("Machin eParameters");
dsMachineParame ters.ReadXmlSch ema("SchemaA.xs d");

I get the following exception from my C# code:

The 'http/://www.w3.org/2001/XMLSchema:restr iction' element is not supported
in this context. How can I add restrictions ranges on values?
--
Don

[Martin Honnen]

Re: Restricting data

Don wrote:

<xs:element name="FeedRateM AX" type="xs:double ">
<xs:restricti on base="xs:double ">
<xs:minInclusiv e value="0"/>
<xs:maxInclusiv e value="1000"/>
</xs:restriction>
</xs:element>

I think you need
<xs:element name="FeedRateM AX">
<xs:simpleTyp e>
<xs:restricti on base="xs:double ">


--

Martin Honnen --- MVP XML

http://JavaScript.FAQTs.com/

[=?Utf-8?B?RG9u?=]

Re: Restricting data

I tried the following:
<xs:element name="FeedRateM AX" type="xs:double ">
<xs:simpleTyp e>
<xs:restricti on base="xs:double ">
<xs:minInclusiv e value="0"/>
<xs:maxInclusiv e value="1000"/>
</xs:restriction>
</xs:simpleType>
</xs:element>

and get the following exceptiion:
The type attribute cannot be present with either simpleType or complexType
--
Don


"Martin Honnen" wrote:

Don wrote:
>

<xs:element name="FeedRateM AX" type="xs:double ">
<xs:restricti on base="xs:double ">
<xs:minInclusiv e value="0"/>
<xs:maxInclusiv e value="1000"/>
</xs:restriction>
</xs:element>

>
I think you need
<xs:element name="FeedRateM AX">
<xs:simpleTyp e>
<xs:restricti on base="xs:double ">
>
>
--
>
Martin Honnen --- MVP XML

http://JavaScript.FAQTs.com/

>

[Martin Honnen]

Re: Restricting data

Don wrote:

I tried the following:
<xs:element name="FeedRateM AX" type="xs:double ">
<xs:simpleTyp e>
<xs:restricti on base="xs:double ">
<xs:minInclusiv e value="0"/>
<xs:maxInclusiv e value="1000"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
>
and get the following exceptiion:
The type attribute cannot be present with either simpleType or complexType

Well that is not what I suggested, drop the type="xs:double " from the
xs:element.


--

Martin Honnen --- MVP XML

http://JavaScript.FAQTs.com/

[=?Utf-8?B?RG9u?=]

Re: Restricting data

Hi Martin,

Thanks for your input. The exception does not happen anymore but now when I
load the a datagrid using the following

dsMachineParame ters = new DataSet("Machin eParameters");
mydatagrid = new DataGrid();
mydatagrid.Data Source = dsMachineParame ters;
dataGridView1.C ontrols.Add(myd atagrid);

I am still allowed to change the value to something greater than 1000. This
is not what I expected?

--
Don


"Martin Honnen" wrote:

Don wrote:

I tried the following:
<xs:element name="FeedRateM AX" type="xs:double ">
<xs:simpleTyp e>
<xs:restricti on base="xs:double ">
<xs:minInclusiv e value="0"/>
<xs:maxInclusiv e value="1000"/>
</xs:restriction>
</xs:simpleType>
</xs:element>

and get the following exceptiion:
The type attribute cannot be present with either simpleType or complexType

>
Well that is not what I suggested, drop the type="xs:double " from the
xs:element.
>
>
--
>
Martin Honnen --- MVP XML

http://JavaScript.FAQTs.com/

>

[Martin Honnen]

Re: Restricting data

Don wrote:

Thanks for your input. The exception does not happen anymore but now when I
load the a datagrid using the following
>
dsMachineParame ters = new DataSet("Machin eParameters");
mydatagrid = new DataGrid();
mydatagrid.Data Source = dsMachineParame ters;
dataGridView1.C ontrols.Add(myd atagrid);
>
I am still allowed to change the value to something greater than 1000. This
is not what I expected?

I think in terms of the W3C XML schema language you have the right type
definition now. I don't know however whether such restrictions in a
schema are enforced by DataSets or DataGridViews. I did a quick test
here and it indeed looks as if the DataSet does not enforce such
restrictions like minInclusive or maxInclusive. I am not sure how to
change that. You might want to ask in an ADO.NET group.




--

Martin Honnen --- MVP XML

http://JavaScript.FAQTs.com/