WCF: 'Specify username in ClientCredentials' error: C#, WCF

Hi, I am completely new to WCF. My goal is to use a service on one server to connect to multiple C# Windows application clients.

I got the service running on my web server (a shared asp host, no SSL or dedicated IP), and the service display a web page telling me to create a class and code file using svcutil.exe.

I placed the class and code file in my C# app, and everything seems to be ok so far.

I call the class using a test button, and it instantiates with no error.

But when I call the "Hello world" function, I expect it to return a string, but instead I get the message:

"The username is not provided. Specify username in ClientCredentials."

So I added a password and username to my method which now looks like this:

private void button2_Click(object sender, EventArgs e)
{
MyServiceClient client = new MyServiceClient();
client.ClientCredentials.UserName.UserName = "xyz";
client.ClientCredentials.UserName.Password = "123";

// Use the 'client' variable to call operations on the service.
textBox4.Text = client.MyOperation1("dave");

// Always close the client.
client.Close();
}

Is this where I am supposed to enter the username and password on the client side? And where do I set the username password on the server? Or am I completely going in the wrong direction?

I know there are a lot of config permutations so I attached my web.config file.

Also attached is the service.cs file from the web server.

Thank you.

web.config:
 
 
<?xml version="1.0"?>
<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
	<configSections>
		<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
			<sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
				<section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
				<sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
					<section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/>
					<section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
					<section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
					<section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/></sectionGroup></sectionGroup></sectionGroup></configSections>
  <system.serviceModel>
 
    <bindings>
      <basicHttpBinding>
        <binding name="NewBinding">
          <security mode="TransportCredentialOnly">
            <transport clientCredentialType="Basic" />
          </security>
        </binding>
      </basicHttpBinding>
    </bindings>
    
		<services>
			<service name="MyService" behaviorConfiguration="MyServiceBehavior" >
				<endpoint contract="IMyService" binding="basicHttpBinding" bindingConfiguration="NewBinding"/>
				<endpoint contract="IMetadataExchange" binding="mexHttpBinding" address="mex"/>
			</service>
		</services>
		<behaviors>
			<serviceBehaviors>
				<behavior name="returnFaults">
					<serviceDebug includeExceptionDetailInFaults="true"/>
				</behavior>
				<behavior name="MyServiceBehavior">
					<serviceMetadata httpGetEnabled="true"/>
				</behavior>
			</serviceBehaviors>
		</behaviors>
	</system.serviceModel>
	<system.web>
		<compilation debug="true">
			<assemblies>
				<add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
				<add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
				<add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
				<add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/></assemblies></compilation>
		<pages>
			<controls>
				<add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
				<add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></controls></pages>
		<httpHandlers>
			<remove verb="*" path="*.asmx"/>
			<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			<add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			<add verb="GET,HEAD" path="ScriptResource.axd" validate="false" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></httpHandlers>
		<httpModules>
			<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></httpModules></system.web>
	<system.codedom>
			<compilers>
				<compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CSharp.CSharpCodeProvider,System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">
					<providerOption name="CompilerVersion" value="v3.5"/>
					<providerOption name="WarnAsError" value="false"/></compiler>
				<compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">
					<providerOption name="CompilerVersion" value="v3.5"/>
					<providerOption name="OptionInfer" value="true"/>
					<providerOption name="WarnAsError" value="false"/></compiler></compilers></system.codedom>
	<system.webServer>
			<validation validateIntegratedModeConfiguration="false"/>
		<modules>
			<remove name="ScriptModule"/>
			<add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></modules>
		<handlers>
			<remove name="WebServiceHandlerFactory-Integrated"/>
			<remove name="ScriptHandlerFactory"/>
			<remove name="ScriptHandlerFactoryAppServices"/>
			<remove name="ScriptResource"/>
			<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			<add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			<add name="ScriptResource" verb="GET,HEAD" path="ScriptResource.axd" preCondition="integratedMode" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></handlers></system.webServer>
	<runtime>
		<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
			<dependentAssembly>
				<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/>
				<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/></dependentAssembly>
			<dependentAssembly>
				<assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/>
				<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/></dependentAssembly></assemblyBinding></runtime></configuration>
 
 
 
 
 
Service.cs:
 
using System;
using System.ServiceModel;
using System.ServiceModel.Activation;
using System.Runtime.Serialization;
 
// A WCF service consists of a contract (defined below as IMyService, DataContract1), 
// a class which implements that interface (see MyService), 
// and configuration entries that specify behaviors associated with 
// that implementation (see <system.serviceModel> in web.config)
 
[ServiceContract()]
public interface IMyService
{
    [OperationContract]
    string MyOperation1(string myValue1);
    [OperationContract]
    string MyOperation2(DataContract1 dataContractValue);
}
 
public class MyService : IMyService
{
    public string MyOperation1(string myValue1) 
    {
        return "Hello: " + myValue1;
    }
    public string MyOperation2(DataContract1 dataContractValue)
    {
        return "Hello: " + dataContractValue.FirstName;
    }
}
 
[DataContract]
public class DataContract1
{
    string firstName;
    string lastName;
 
    [DataMember]
    public string FirstName
    {
        get { return firstName;}
        set { firstName = value;}
    }
    [DataMember]
    public string LastName
    {
        get { return lastName;}
        set { lastName = value;}
    }
}
 
public class MyServiceHostFactory : ServiceHostFactory
{
    protected override ServiceHost CreateServiceHost(Type serviceType, Uri[] baseAddresses)
    {
        // Specify the exact URL of your web service
        Uri webServiceAddress = new Uri("http://www.mywebsite.com/Service.svc");
 
        MyServiceHost webServiceHost = new MyServiceHost(serviceType, webServiceAddress);
        return webServiceHost;
    }
}
 
public class MyServiceHost : ServiceHost
{
    public MyServiceHost(Type serviceType, params Uri[] baseAddresses)
        : base(serviceType, baseAddresses)
    { }
 
    protected override void ApplyConfiguration()
    {
        base.ApplyConfiguration();
    }
}

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