ASP.NET

protected void Page_Load(object sender, EventArgs e)
        {
            this.UnobtrusiveValidationMode = System.Web.UI.UnobtrusiveValidationMode.None;



            {
                labelRID.Text = Request.QueryString["id"];
                
                string rid = labelRID.Text;
                string activityid = labelactivityid.Text;

                if (!IsPostBack)
                {
                    Bindactivitycodedropdown();


                    if (rid != "")
                    {

                        OracleConnection conn = new OracleConnection();
                        OracleCommand cmd = new OracleCommand();
                        conn.ConnectionString = strConnection;
                        conn.Open();

                        cmd.Connection = conn;
                        cmd.CommandText = "Select RID, BUYING_ACTIVITY_ID, CUSTOMER_SOURCE_CODE, CUSTOMER_NAME, CUSTOMER_CITY, CUSTOMER_STATE, CUSTOMER_POSTAL_CODE, BUYING_ACTIVITY_CODE from BUYING_ACTIVITY WHERE RID = '55555'";
                        cmd.Parameters.Add(new OracleParameter("RID", Request.QueryString["ID"]));
                        OracleDataAdapter da = new OracleDataAdapter(cmd);
                        cmd.CommandType = CommandType.Text;
                        OracleDataReader dr = cmd.ExecuteReader();

                        if (dr.Read())
                        {
                            labelRID.Text = dr["rid"].ToString();
                            custname.Text = dr["customer_name"].ToString();
                            custcity.Text = dr["customer_city"].ToString();
                            custstate.Text = dr["customer_state"].ToString();
                            custpostalcode.Text = dr["customer_postal_code"].ToString();
                            activitycode.SelectedItem.Text = dr["buying_activity_code"].ToString();
                            custsrccode.Text = dr["customer_source_code"].ToString();
                            cvactivitycode.Enabled = false;
                            //custname.Text = custstate.SelectedValue.ToString();

                            //if (activitycode.SelectedValue == "0")
                            //{
                            //    custname.Text = "";
                            //    custcity.Text = "";
                            //    custpostalcode.Text = "";
                            //}
                            dr.Close();
                            conn.Close();
                        }
                        else
                        {

                            labelRID.Text = "";
                            custname.Text = "";
                            custcity.Text = "";
                            custstate.Text = "";
                            custpostalcode.Text = "";
                            activitycode.SelectedItem.Text = "";
                            custsrccode.Text = "C812 - NASA";

                        }
                    }
                }
            }
        }

This is a @ViewBag.Message

This is a @ViewData["Test"]

This is a @TempData["Testing"]

namespace CustomAuthWithHTTPModule
{
    /// <summary>
    /// Summary description for SecureWebService
    /// </summary>
    public class Authentication : SoapHeader
    {
        public string User;
        public string Password;
    }

    public class SecureWebService : WebService
    {
        public Authentication authentication;

        [WebMethod]
        [SoapHeader("authentication", Required = true)]
        public string ValidUser()
        {
            if (User.IsInRole("Customer"))
                return "User is in role customer";

            if (User.Identity.IsAuthenticated)
                return "User is a valid user";
            return "not authenticated";
        }

    }

}

ServiceReference1.SecureWebServiceSoapClient xx = new ServiceReference1.SecureWebServiceSoapClient();

            ServiceReference1.Authentication a = new ServiceReference1.Authentication();
            a.User = "Hello";
            a.Password = "Hello";
            xx.AuthHeaderValue  or xx.UserCredentialsValue // not being expose

namespace EncryptASMX
{
    /// <summary>
    /// Summary description for Test1
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. 
    // [System.Web.Script.Services.ScriptService]
    public class Test1 : System.Web.Services.WebService
    {
        public AuthenticateHeader Credentials;

        [AuthExtension]
        [SoapHeader("Credentials", Required = true)]
        [WebMethod]
        public string Add(int x, int y)
        {
            return (x + y).ToString();
        }
    }

    public class AuthenticateHeader : SoapHeader
    {
        public string UserName;
        public string Password;
    }

    [AttributeUsage(AttributeTargets.Method)]
    public class AuthExtensionAttribute : SoapExtensionAttribute
    {
        int _priority = 1;

        public override int Priority
        {
            get { return _priority; }
            set { _priority = value; }
        }

        public override Type ExtensionType
        {
            get { return typeof(AuthExtension); }
        }
    }

    public class AuthExtension : SoapExtension
    {
        public override void ProcessMessage(SoapMessage message)
        {
            if (message.Stage == SoapMessageStage.AfterDeserialize)
            {
                //Check for an AuthHeader containing valid
                //credentials
                foreach (SoapHeader header in message.Headers)
                {
                    if (header is AuthenticateHeader)
                    {
                        AuthenticateHeader credentials = (AuthenticateHeader)header;
                        if (credentials.UserName.ToLower() ==
                            "jeff" &&
                            credentials.Password.ToLower() ==
                            "imbatman")
                            return; // Allow call to execute
                        break;
                    }
                }

                // Fail the call if we get to here. Either the header
                // isn't there or it contains invalid credentials.
                throw new SoapException("Unauthorized",
                    SoapException.ClientFaultCode);
            }
        }

        public override Object GetInitializer(Type type)
        {
            return GetType();
        }

        public override Object GetInitializer(LogicalMethodInfo info,
            SoapExtensionAttribute attribute)
        {
            return null;
        }

        public override void Initialize(Object initializer)
        {
        }
    }
}

<?xml version="1.0"?>

<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->

<configuration>
    <system.web>
      <compilation debug="true" targetFramework="4.5" />
      <httpRuntime targetFramework="4.5" />

      <webServices>
        <soapExtensionTypes>
          <add type="EncryptASMX.AuthExtension,EncryptASMX" priority="1"  />
        </soapExtensionTypes>
      </webServices>

    </system.web>

</configuration>