테이블에 있는 데이터가 2000 ROW가 넘어서 에러 발생시? maxItemsInObjectGraph 값을 늘려준다.

<?xml version="1.0" encoding="utf-8"?>

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<configuration>
    <system.web>
        <compilation debug="true" targetFramework="4.0" />
    </system.web>

    <system.serviceModel>
        <bindings>
            <customBinding>
                <binding name="Excel_Import.Web.DataService.customBinding0">
                    <binaryMessageEncoding />
                    <httpTransport />
                </binding>
            </customBinding>
        </bindings>
        <serviceHostingEnvironment aspNetCompatibilityEnabled="true"
            multipleSiteBindingsEnabled="true" />
        <services>
            <service name="Excel_Import.Web.DataService">
                <endpoint address="" binding="customBinding" bindingConfiguration="Excel_Import.Web.DataService.customBinding0"
                    contract="Excel_Import.Web.DataService" />
                <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
             

            </service>
        </services>
        <behaviors>
            <serviceBehaviors>
                <behavior name="">
                    <serviceMetadata httpGetEnabled="true" />
                    <serviceDebug includeExceptionDetailInFaults="false" />
                   <dataContractSerializer maxItemsInObjectGraph="2147483647"/>

// 한번에 가져올수 있는 데이터의 양을 제한한다.
                </behavior>
            </serviceBehaviors>
        </behaviors>
        
    </system.serviceModel>
</configuration>