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I am pretty new to Restful WCF services so bear with me. I am trying to build a simple RESTful WCF service that returns a List of Students as json response.

In Response Approx 3842 Records are Showing when i invoke the same method in Browser but in actual List contains approx 9000 records.

Why response is truncated?
Posted

1 solution

hi one of two things....

Try setting maxJsonLength property on your web.config:

XML
<configuration>
   <system.web.extensions>
       <scripting>
           <webservices>
               <jsonserialization maxjsonlength="Large number here" />
           </webservices>
       </scripting>
   </system.web.extensions>
</configuration>


or because it is WCF you may want to look at the service behaviours. Try setting the maxitemsinobjectgraph property.

XML
<behaviors>
        <servicebehaviors>
            <behavior name="metadataBehavior">
                <servicemetadata httpgetenabled="true" httpgeturl="" />
                <servicedebug includeexceptiondetailinfaults="false" />
                <datacontractserializer maxitemsinobjectgraph="2147483646" />
            </behavior>
        </servicebehaviors>
    </behaviors>


you may find other examples from here :

http://geekswithblogs.net/mnf/archive/2013/06/02/response-for-rest-method-was-truncated-because-default-maxitemsinobjectgraph-was.aspx[^]
 
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v2
Comments
Bhupendra Chauhan 19-Aug-14 7:28am    
Thanks. It works.
db7uk 19-Aug-14 7:42am    
great.

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