Serializable, ToolboxItem("Microsoft.VSDesigner.Data.VS.DataSetToolboxItem, Microsoft.VSDesigner, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"), DefaultProperty("DataSetName"), XmlSchemaProvider("GetDataSetSchema"), ResDescription("DataSetDescr"), XmlRoot("DataSet"), Designer("Microsoft.VSDesigner.Data.VS.DataSetDesigner, Microsoft.VSDesigner, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
public class DataSet : MarshalByValueComponent, IListSource, IXmlSerializable, ISupportInitializeNotification, ISupportInitialize, ISerializable
{// Fieldsprivate bool _caseSensitive;private CultureInfo _culture;private bool _cultureUserSet;private string _datasetPrefix;private object _defaultViewManagerLock;private readonly int _objectID;private static int _objectTypeCount;private SerializationFormat _remotingFormat;private string dataSetName;private DataViewManager defaultViewManager;private bool enforceConstraints;internal PropertyCollection extendedProperties;private bool fBoundToDocument;internal bool fEnableCascading;internal bool fInitInProgress;}

[Serializable, Editor("Microsoft.VSDesigner.Data.Design.DataTableEditor, Microsoft.VSDesigner, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", "System.Drawing.Design.UITypeEditor, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"), DefaultProperty("TableName"), DesignTimeVisible(false), ToolboxItem(false), XmlSchemaProvider("GetDataTableSchema"), DefaultEvent("RowChanging")]
public class DataTable : MarshalByValueComponent, IListSource, ISupportInitializeNotification, ISupportInitialize, ISerializable, IXmlSerializable
{// Fieldsprivate bool _caseSensitive;private bool _caseSensitiveUserSet;internal DataColumn _colUnique;private CompareOptions _compareFlags;private CompareInfo _compareInfo;}

//ServiceContract 属性以及 Indigo 使用的所有其他属性均在 System.ServiceModel 命名空间中定义，
//因此本例开头使用 using 语句来引用该命名空间。
//为了掩饰WCF服务的操作重载
namespace WCFService
{//1.服务契约,操作契约重载[ServiceContract(Namespace = "http://www.cnblogs.com/frank_xl/")]interface IWCFService{//操作契约,数据表
        [OperationContract]System.Data.DataTable GetDataByTable();//操作契约，数据集
        [OperationContract]System.Data.DataSet GetDataByDataSet();//操作契约，数据集合
        [OperationContract]List<User> GetDataByCollection();}//2.服务类，集成接口。实现契约public class WCFService : IWCFService{//实现接口定义的方法,DataTable传递数据public System.Data.DataTable GetDataByTable(){//这里可以定义数据持久化操作，访问数据库等System.Data.DataSet dataSet = new System.Data.DataSet();System.Data.DataTable dataTable = null;SqlConnection sqlConnection = new SqlConnection("Data Source=.\\SQLEXPRESS;AttachDbFilename=|DataDirectory|\\Database\\DatabaseWCF.mdf;Integrated Security=True;User Instance=True");try{System.Data.SqlClient.SqlDataAdapter sqlDataAdapter = new System.Data.SqlClient.SqlDataAdapter("SELECT id, name, english_name FROM TableWCF", sqlConnection);sqlDataAdapter.Fill(dataSet, "TableWCF");if (dataSet != null && dataSet.Tables.Count > 0){dataTable = dataSet.Tables[0];}}catch (Exception e){}finally{sqlConnection.Close();}Console.WriteLine("Calling WCF Service,Transfer data using DataTable");return dataTable;}//实现接口定义的方法，DataSet传递数据public System.Data.DataSet GetDataByDataSet(){//这里可以定义数据持久化操作，访问数据库等System.Data.DataSet dataSet = new System.Data.DataSet();SqlConnection sqlConnection = new SqlConnection("Data Source=.\\SQLEXPRESS;AttachDbFilename=|DataDirectory|\\Database\\DatabaseWCF.mdf;Integrated Security=True;User Instance=True");try{System.Data.SqlClient.SqlDataAdapter sqlDataAdapter = new System.Data.SqlClient.SqlDataAdapter("SELECT id, name, english_name FROM TableWCF", sqlConnection);sqlDataAdapter.Fill(dataSet, "TableWCF");}catch (Exception e){}finally{sqlConnection.Close();}Console.WriteLine("Calling WCF Service,Transfer data using dataSet");return dataSet;}//实现接口定义的方法，Collection传递数据public List<User> GetDataByCollection(){//这里可以定义数据持久化操作，访问数据库等List<User> list = new List<User>();for (int i = 0; i < 10; i++){User user = new User();user.age = 20+i;user.name = "Frank Xu Lei:" + i.ToString();}Console.WriteLine("Calling WCF Service,Transfer data using Collection");return list;}}//3数据契约
    [DataContract]public class User{[DataMember]public string name;[DataMember]public int age;}
}

<services><service behaviorConfiguration="WCFService.WCFServiceBehavior" name="WCFService.WCFService"><endpointaddress="http://localhost:9003/WCFService"binding="wsHttpBinding"contract="WCFService.IWCFService">endpoint><endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /><host><baseAddresses><add baseAddress="http://localhost:9003/"/>baseAddresses>host>service>services><behaviors><serviceBehaviors><behavior name="WCFService.WCFServiceBehavior"><serviceMetadata httpGetEnabled="true" /><serviceDebug includeExceptionDetailInFaults="false" />behavior>serviceBehaviors>behaviors>

public System.Data.DataTable GetDataByTable() {return base.Channel.GetDataByTable();}public System.Data.DataSet GetDataByDataSet() {return base.Channel.GetDataByDataSet();}

     public User[] GetDataByCollection() {             return base.Channel.GetDataByCollection();         }

//Get data using DataTable By WCF proxyprivate void buttonDataTable_Click(object sender, EventArgs e){WCFServiceClient wcfServiceProxy =new WCFServiceClient("WSHttpBinding_IWCFService");//调用服务，获取数据表dataTable，System.Data.DataTable dataTable = wcfServiceProxy.GetDataByTable();if (dataTable != null){dataGridViewWCFDataTable.DataSource = dataTable;//绑定数据源到控件
                }}//Get data using DataSet By WCF proxyprivate void buttonDataSet_Click(object sender, EventArgs e){WCFServiceClient wcfServiceProxy =new WCFServiceClient("WSHttpBinding_IWCFService");//调用服务，获取数据集dataSet，System.Data.DataSet dataSet = wcfServiceProxy.GetDataByDataSet();if (dataSet != null && dataSet.Tables.Count > 0){dataGridViewWCFDataSet.DataSource = dataSet.Tables[0];//绑定数据源到控件
            }}