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WebAPI Examples

Posted By Boxson Tue 5 Nov 2013
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WebAPI Examples

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Boxson
Posted Tue 5 Nov 2013
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Hi,

i'm still working through the webAPI to connect a base system to Kartris.

I'm stuck with methods which ask for a parameter - type "dataTable".

As an example the method CategoriesBLL._AddCategory ask's for a dataTable as first parameter:

Public Shared Function _AddCategory(ByVal ptblElements As DataTable, ByVal pParentsList As String, _       ByRef pCategoryID As Integer, ByVal pLive As Boolean, ByVal pProductDisplayType As Char, _       ByVal pSubCatDisplayType As Char, ByVal pOrderProductsBy As String, _       ByVal pProductsSortDirection As Char, ByVal pOrderSubcatBy As String, _       ByVal pSubcatSortDirection As Char, ByVal pCustomerGroupID As Integer, ByRef strMsg As String) As Boolean

How does the strParameterXML String have to look like? Doesn't matter what i send, i'll get an XML Error (1,1).

Method's which does not have a dataTable as a parameter ca be called without any problem.

any help apreciated! Is there any source for examples? The one that's delivered with kartris doesn't handle dataTable parameters.
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Paul
Posted Tue 5 Nov 2013
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Some data types such as dataTable are serializable, so they can be converted to XML and output from ASP.NET in string format. If the same XML is input, it can be turned back into the object. This is ASP.NET functionality rather than Kartris specific.

So in order to find the format to input XML to the Kartris BLL, the easiest way is to output XML of a dataTable from Kartris or .NET in general.

There is more info on serialization here:

http://msdn.microsoft.com/en-us/library/vstudio/ms233843.aspx

If the data you're trying to input to the Kartris web API is coming from another .NET application, I think it should just be a case of serializing the dataTable from that to XML and it should be in the correct format.

If outputting from another system, you'd have to manually match the XML format I think and write something to turn your data into the correct XML format for a dataTable.

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Boxson
Posted Tue 5 Nov 2013
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I've tried to serialisze a dataTable to xml and send the xml-string. This doesn't work.
The structure, the webAPI wants the parameters to be, is not clear to me. The following shows the structure of strParametersXML within the example in "Protected/"-folder:

<KartrisWebAPI>
<Parameters>
<Parameter Name="_LE_LanguageID" Type="short">
<Value>1</Value>
</Parameter>
</Parameters>
</KartrisWebAPI>

This is ok and clear and works.

But how should a dataTable be implemented here. Is the DataTable on the level of a Parameter or is the DataTable the value of a parameter?
Does the DataTable need to be within "<Value>" Tags or does it have it's own?
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Medz Marked As Answer
Posted Tue 5 Nov 2013
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An update to the Web API code had been pushed to improve method parameter type handling. Please download the latest patch to get the latest fixes and improvements ->

(updated App_Code/KartrisWebAPI.vb)
https://www.codeplex.com/Download?ProjectName=kartris&DownloadId=754964



The full xml string of the serialized datatable has to be inside the value tag. Because its a full XML markup, you need to enclose it inside CDATA section.

Example of a full strParametersXML string parameter for _AddCategory method ->

<?xml version="1.0" encoding="utf-8" ?><KartrisWebAPI><Parameters><Parameter Name="ptblElements" Type="DataTable"><Value><![CDATA[ <?xml version="1.0" encoding="utf-16"?>  <DataTable>    <xs:schema id="NewDataSet" xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">      <xs:element name="NewDataSet" msdata:IsDataSet="true" msdata:MainDataTable="tblCategoryLanguageElements" msdata:UseCurrentLocale="true">        <xs:complexType>          <xs:choice minOccurs="0" maxOccurs="unbounded">            <xs:element name="tblCategoryLanguageElements">              <xs:complexType>                <xs:sequence>                  <xs:element name="_LE_LanguageID" type="xs:string" minOccurs="0" />                  <xs:element name="_LE_FieldID" type="xs:string" minOccurs="0" />                  <xs:element name="_LE_Value" type="xs:string" minOccurs="0" />                </xs:sequence>              </xs:complexType>            </xs:element>          </xs:choice>        </xs:complexType>      </xs:element>    </xs:schema>    <diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1">      <DocumentElement>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements1" msdata:rowOrder="0" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>1</_LE_FieldID>          <_LE_Value>CategoryNameValue</_LE_Value>        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements2" msdata:rowOrder="1" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>2</_LE_FieldID>          <_LE_Value>CategoryDescriptionValue</_LE_Value>        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements3" msdata:rowOrder="2" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>3</_LE_FieldID>          <_LE_Value />        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements4" msdata:rowOrder="3" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>4</_LE_FieldID>          <_LE_Value />        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements5" msdata:rowOrder="4" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>5</_LE_FieldID>          <_LE_Value />        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements6" msdata:rowOrder="5" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>8</_LE_FieldID>          <_LE_Value />        </tblCategoryLanguageElements>      </DocumentElement>    </diffgr:diffgram>  </DataTable> ]]> </Value></Parameter><Parameter Name="pParentsList" Type="String"><Value></Value></Parameter><Parameter Name="pCategoryID" Type="Integer"><Value>0</Value></Parameter><Parameter Name="pLive" Type="Boolean"><Value>True</Value></Parameter><Parameter Name="pProductDisplayType" Type="Char"><Value>d</Value></Parameter><Parameter Name="pSubCatDisplayType" Type="Char"><Value>d</Value></Parameter><Parameter Name="pOrderProductsBy" Type="String"><Value>d</Value></Parameter><Parameter Name="pProductsSortDirection" Type="Char"><Value>A</Value></Parameter><Parameter Name="pOrderSubcatBy" Type="String"><Value>d</Value></Parameter><Parameter Name="pSubcatSortDirection" Type="Char"><Value>A</Value></Parameter><Parameter Name="pCustomerGroupID" Type="Integer"><Value>0</Value></Parameter><Parameter Name="strMsg" Type="String"><Value></Value></Parameter></Parameters></KartrisWebAPI>
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Boxson
Posted Wed 6 Nov 2013
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Thanks for your help! I've loaded the patch and changed the vb at the server. After that i used your code and sent this inside a "<Value></Value>" to the WebAPI. The WebAPI returns a deserialisation error:

I checked the action with SoapUI. The Result is as follows:
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"><s:Body><s:Fault><faultcode xmlns:a="http://schemas.microsoft.com/net/2005/12/windowscommunicationfoundation/dispatcher">aBigGrineserializationFailed</faultcode><faultstring xml:lang="de-DE">Der Formatierer hat beim Deserialisieren der Nachricht eine Ausnahme ausgelöst: Fehler beim Deserialisieren des Textkörpers der Anforderungsnachricht für Vorgang "Execute". Es wurde das Endelement "strParametersXML" aus Namespace "http://tempuri.org/" erwartet. Gefunden wurde "Element "KartrisWebAPI" aus Namespace "http://tempuri.org/"". Zeile 6, Position 28.</faultstring></s:Fault></s:Body></s:Envelope>


the Request i sent is:
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
   <s:Body>
      <Execute xmlns="http://tempuri.org/">
         <strMethod>CategoriesBLL._AddCategory</strMethod>
         <strParametersXML>
            <KartrisWebAPI>
               <Parameters>
                  <Parameter Name="ptblElements" Type="DataTable">
                     <Value><![CDATA[<?xml version="1.0" encoding="utf-16"?>  <DataTable>    <xs:schema id="NewDataSet" xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">      <xs:element name="NewDataSet" msdata:IsDataSet="true" msdata:MainDataTable="tblCategoryLanguageElements" msdata:UseCurrentLocale="true">        <xs:complexType>          <xs:choice minOccurs="0" maxOccurs="unbounded">            <xs:element name="tblCategoryLanguageElements">              <xs:complexType>                <xs:sequence>                  <xs:element name="_LE_LanguageID" type="xs:string" minOccurs="0" />                  <xs:element name="_LE_FieldID" type="xs:string" minOccurs="0" />                  <xs:element name="_LE_Value" type="xs:string" minOccurs="0" />                </xs:sequence>              </xs:complexType>            </xs:element>          </xs:choice>        </xs:complexType>      </xs:element>    </xs:schema>    <diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1">      <DocumentElement>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements1" msdata:rowOrder="0" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>1</_LE_FieldID>          <_LE_Value>CategoryNameValue</_LE_Value>        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements2" msdata:rowOrder="1" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>2</_LE_FieldID>          <_LE_Value>CategoryDescriptionValue</_LE_Value>        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements3" msdata:rowOrder="2" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>3</_LE_FieldID>          <_LE_Value />        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements4" msdata:rowOrder="3" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>4</_LE_FieldID>          <_LE_Value />        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements5" msdata:rowOrder="4" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>5</_LE_FieldID>          <_LE_Value />        </tblCategoryLanguageElements>        <tblCategoryLanguageElements diffgr:id="tblCategoryLanguageElements6" msdata:rowOrder="5" diffgr:hasChanges="inserted">          <_LE_LanguageID>1</_LE_LanguageID>          <_LE_FieldID>8</_LE_FieldID>          <_LE_Value />        </tblCategoryLanguageElements>      </DocumentElement>    </diffgr:diffgram>  </DataTable>]]></Value>
                  </Parameter>
                  <Parameter Name="pParentsList" Type="String">
                     <Value/>
                  </Parameter>
                  <Parameter Name="pCategoryID" Type="Integer">
                     <Value>0</Value>
                  </Parameter>
                  <Parameter Name="pLive" Type="Boolean">
                     <Value>True</Value>
                  </Parameter>
                  <Parameter Name="pProductDisplayType" Type="Char">
                     <Value>d</Value>
                  </Parameter>
                  <Parameter Name="pSubCatDisplayType" Type="Char">
                     <Value>d</Value>
                  </Parameter>
                  <Parameter Name="pOrderProductsBy" Type="String">
                     <Value>d</Value>
                  </Parameter>
                  <Parameter Name="pProductsSortDirection" Type="Char">
                     <Value>A</Value>
                  </Parameter>
                  <Parameter Name="pOrderSubcatBy" Type="String">
                     <Value>d</Value>
                  </Parameter>
                  <Parameter Name="pSubcatSortDirection" Type="Char">
                     <Value>A</Value>
                  </Parameter>
                  <Parameter Name="pCustomerGroupID" Type="Integer">
                     <Value>0</Value>
                  </Parameter>
                  <Parameter Name="strMsg" Type="String">
                     <Value/>
                  </Parameter>
               </Parameters>
            </KartrisWebAPI>
         </strParametersXML>
      </Execute>
   </s:Body>
</s:Envelope>
Edited Wed 6 Nov 2013 by Boxson
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Boxson Marked As Answer
Posted Wed 6 Nov 2013
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Found the solution. I had to replace all occurencies of "<" and ">" with the encoded equivalents. Now it's workin.
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