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    <p>After a lot of investigation finnally i got the solution. Actually a number of things need to be changed.</p> <p>The following changes needed to be done in <strong>Server-side</strong>.</p> <p><strong>First</strong> I had to set a <em>maxRequestLength</em> to a larger value in my <em>httpRuntime</em> element to run the request for longer period.</p> <pre><code>&lt;system.web&gt; &lt;httpRuntime maxRequestLength="102400" /&gt; &lt;/system.web&gt; </code></pre> <p><strong>Second</strong> i introduced <strong>netTcpBinding</strong> binnding with custom changes on <code>maxBufferSize, maxBufferPoolSize, maxReceivedMessageSize</code> with a large value of <code>2147483647</code>.</p> <pre><code>&lt;binding name="myNetTcpBinding" maxBufferPoolSize="2147483647" maxBufferSize="524288" maxReceivedMessageSize="2147483647"&gt; </code></pre> <p><strong>Third</strong> add <code>maxItemsInObjectGraph</code> in both of the <code>serviceBehaviors</code> and <code>endpointBehaviors</code> like bellow (dont forget to mention the behaviour names in the <code>service</code> and <code>endpoint</code> node)</p> <pre><code> &lt;behaviors&gt; &lt;serviceBehaviors&gt; &lt;behavior name="myNetTcpBehaviour"&gt; &lt;serviceMetadata httpGetEnabled="true"/&gt; &lt;serviceDebug includeExceptionDetailInFaults="true"/&gt; &lt;dataContractSerializer maxItemsInObjectGraph="2147483647"/&gt; &lt;/behavior&gt; &lt;/serviceBehaviors&gt; &lt;endpointBehaviors&gt; &lt;behavior name="myNetTcpEndPointBehaviour"&gt; &lt;dataContractSerializer maxItemsInObjectGraph="2147483647"/&gt; &lt;/behavior&gt; &lt;/endpointBehaviors&gt; &lt;/behaviors&gt; </code></pre> <p><strong>Finally</strong> my server configuration looks like this</p> <pre><code>&lt;system.web&gt; &lt;httpRuntime maxRequestLength="102400" /&gt; &lt;/system.web&gt; &lt;system.serviceModel&gt; &lt;bindings&gt; &lt;wsHttpBinding&gt; &lt;binding name="MyWsHttpBinding" /&gt; &lt;/wsHttpBinding&gt; &lt;netTcpBinding&gt; &lt;binding name="myNetTcpBinding" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" transactionFlow="false" transferMode="Buffered" transactionProtocol="OleTransactions" hostNameComparisonMode="StrongWildcard" listenBacklog="10" maxBufferPoolSize="2147483647" maxBufferSize="524288" maxConnections="10" maxReceivedMessageSize="2147483647"&gt; &lt;readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /&gt; &lt;reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" /&gt; &lt;security mode="Transport"&gt; &lt;transport clientCredentialType="Windows" protectionLevel="EncryptAndSign" /&gt; &lt;/security&gt; &lt;/binding&gt; &lt;/netTcpBinding&gt; &lt;/bindings&gt; &lt;services&gt; &lt;service name="AdminService" behaviorConfiguration="myNetTcpBehaviour"&gt; &lt;endpoint address="AdminSrv" binding="netTcpBinding" bindingConfiguration="myNetTcpBinding" contract="IAdminService" behaviorConfiguration="myNetTcpEndPointBehaviour"/&gt; &lt;endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /&gt; &lt;host&gt; &lt;baseAddresses&gt; &lt;add baseAddress="/Bus/IRfotoWCF" /&gt; &lt;/baseAddresses&gt; &lt;/host&gt; &lt;/service&gt; &lt;behaviors&gt; &lt;serviceBehaviors&gt; &lt;behavior name="myNetTcpBehaviour"&gt; &lt;serviceMetadata httpGetEnabled="true"/&gt; &lt;serviceDebug includeExceptionDetailInFaults="true"/&gt; &lt;dataContractSerializer maxItemsInObjectGraph="2147483647"/&gt; &lt;/behavior&gt; &lt;/serviceBehaviors&gt; &lt;endpointBehaviors&gt; &lt;behavior name="myNetTcpEndPointBehaviour"&gt; &lt;dataContractSerializer maxItemsInObjectGraph="2147483647"/&gt; &lt;/behavior&gt; &lt;/endpointBehaviors&gt; &lt;/behaviors&gt; &lt;serviceHostingEnvironment multipleSiteBindingsEnabled="true"&gt;&lt;/serviceHostingEnvironment&gt; &lt;/system.serviceModel&gt; </code></pre> <p>Now on the <strong>client-side</strong> configuratioin you need to change the <code>maxBufferSize="2147483647" maxBufferPoolSize="524288" maxReceivedMessageSize="2147483647"</code> </p> <p><strong>and</strong> also you need to add <code>maxItemsInObjectGraph="2147483647"</code> in endpoint behaviour configuration.</p> <pre><code> &lt;endpointBehaviors&gt; &lt;behavior name="myEndPointBehavior"&gt; &lt;dataContractSerializer maxItemsInObjectGraph="2147483647" /&gt; &lt;/behavior&gt; &lt;/endpointBehaviors&gt; </code></pre> <p>Now i can transmit <strong>30000</strong> rows within <strong>5.30 min</strong> where the query executed for 10 sec so the transmission time is 5.20 min - <strong>still a lot</strong>.</p> <p>Feel free to comment and any suggestion for improvement.</p>
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