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POLarge string argument in WCF operation call
 

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  1. POLarge string argument in WCF operation call
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    <p>I am unable to pass a string as an argument to a WCF operation call. The string is quite large (about 12000 characters). </p> <p>I have increased maxStringContentLength in web.config and played around with almost all the attributes but the problem still remains.</p> <p>I have found a workaround - Split the string at client's end and concatenate at the server's end. It works this way.</p> <p>Can anybody direct me towards the right way of solving this problem? Why WCF operation call is able to accept the same amount of data (split into 2 string parameters) but throws error when that data is passed in one string parameter? Where do we configure the size limit of WCF operation arguments?</p> <p>---------------------------------CODE--------------------------------</p> <pre><code>TestService.Service1Client client = new TestService.Service1Client(); string str = "VERY LARGE STRING"; //DOES NOT WORK client.TakeLargeStringParam(str); //WORKS client.TakeLargeStringParam2(str.Substring(0, 5000), str.Substring(5000)); </code></pre> <p>-----------------------WEB.CONFIG--------------------------</p> <pre><code>&lt;system.serviceModel&gt; &lt;bindings&gt; &lt;basicHttpBinding&gt; &lt;binding name="BasicHttpBinding_IService1" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true"&gt; &lt;readerQuotas maxDepth="32" maxStringContentLength="819200" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /&gt; &lt;security mode="None"&gt; &lt;transport clientCredentialType="None" proxyCredentialType="None" realm="" /&gt; &lt;message clientCredentialType="UserName" algorithmSuite="Default" /&gt; &lt;/security&gt; &lt;/binding&gt; &lt;/basicHttpBinding&gt; &lt;/bindings&gt; &lt;client&gt; &lt;endpoint address="http://localhost:30701/Service1.svc" binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IService1" contract="TestService.IService1" name="BasicHttpBinding_IService1" /&gt; &lt;/client&gt; &lt;/system.serviceModel&gt; </code></pre>
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    1. COmaxStringContentLength is the way to go; how are you increasing it?
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    2. COcurrently its set to 819200. Increased the default value(8192) to 100 times.
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    3. COCan you post the web.config where you're setting it?
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