static void Main(string[] args)
{
add += new DelEventHandler(replace);
add.Invoke();
Console.ReadLine();
}
static void Main(string[] args)
{
add += new DelEventHandler(USA);
add += new DelEventHandler(INDIA);
add += new DelEventHandler(ENGLAND);
add += new DelEventHandler(GERMANY);
add.Invoke();
Console.ReadKey();
}
static void Main(string[] args)
{
add += new DelEventHandler(USA);
add += new DelEventHandler(India);
add += new DelEventHandler(England);
add.Invoke();
Console.ReadLine();
}
static void Main(string[] args)
{
add += new DelEventHandler(USA); // so instanced used for calling bcz all are in same class
add += new DelEventHandler(India);
add += new DelEventHandler(England);
add.Invoke();
Console.ReadLine();
}
private static void Getdata(Employee e)
{
Console.WriteLine($"Employee id : {e.GetId()}");
add += new DelEventHandler(OnGetId);
Console.WriteLine($"Employee name : {e.GetName()}");
add += new DelEventHandler(OnGetName);
Console.WriteLine($"Employee Department : {e.GetDepartmentName()}");
add += new DelEventHandler(OnGetDname);
add.Invoke();
}
static void Main(string[] args)
{
add += new DelEventHandler(India);
add += new DelEventHandler(USA);
add += new DelEventHandler(England);
add.Invoke();
Console.WriteLine("*******************************Event Handling********************");
EventHandling.ImplementEvent();
}
private static void Main(string[] args)
{
Excercise1();
Excercise2();
Excercise3();
Excercise4();
empty += new DelEventHandler(Cow);
empty += new DelEventHandler(Hen);
empty += new DelEventHandler(Horse);
empty += new DelEventHandler(Sheep);
empty += new DelEventHandler(Emydex);
empty.Invoke();
Console.ReadKey();
}
public Program()
{
// desing a button over form
Button btn = new Button();
btn.Parent = this;
btn.Text = "Hit Me";
btn.Location = new Point(100, 100);
//Event handler is assigned to
// the button click event
btn.Click += new EventHandler(onClcik);
add += new DelEventHandler(Initiate);
//invoke the event
add();
}
protected void btnSignIn_Click(object sender, EventArgs e)
{
try
{
conn.Open();
command.Connection = conn;
command.CommandType = CommandType.StoredProcedure;
//set the commandText to the name of our stored procedure
command.CommandText = "[dbo].[Login]";
//provide values for the procedure's parameters
command.Parameters.AddWithValue("@Username", txtUserName.Text);
command.Parameters.AddWithValue("@PasswordHash", GetMd5Hash(txtPassword.Text));
//execute the command
SqlDataReader reader = command.ExecuteReader();
if (reader.Read())
{
//reader.Read();
// int userId = Convert.ToInt32(reader["UserId"]);
// string roles = reader["Roles"].ToString();
string roles = reader.GetSqlValue(6).ToString();
reader.Close();
HttpCookie S00140633 = new HttpCookie("LoggedIn");
Response.Cookies.Clear();
// Set the new expiry date - to thirty days from now
DateTime expiryDate;
if (cbxRemember.Checked)
{
//creates an autorization cookie which lasts a month
expiryDate = DateTime.Now.AddDays(30);
}
else
{
//creates an autorization cookie which lasts a month
expiryDate = DateTime.Now.AddHours(1);
// FormsAuthentication.RedirectFromLoginPage(txtUserName.Text, true);
}
// Create a new forms auth ticket
FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(2, txtUserName.Text, DateTime.Now, expiryDate, true, roles);
// Encrypt the ticket
string encryptedTicket = FormsAuthentication.Encrypt(ticket);
// Create a new authentication cookie - and set its expiration date
HttpCookie authenticationCookie = new HttpCookie(FormsAuthentication.FormsCookieName, encryptedTicket);
authenticationCookie.Expires = ticket.Expiration;
// Add the cookie to the response.
Response.Cookies.Add(authenticationCookie);
HttpContext.Current.ApplicationInstance.CompleteRequest();
Response.Redirect("Index.aspx", false);
}
// if login fails the event and delaegate is called. Alerts message and number of attempts
else
{
Application.Lock();
int atts = Convert.ToInt32(Application["Attempts"]) + 1;
Application["Attempts"] = atts;
Application.UnLock();
MyEvent += new DelEventHandler(attemptsMade); //** Step 3 **//
MyEvent += new DelEventHandler(attemptsLeft);
MyEvent(atts);
reader.Close();
}
}
catch (Exception ex)
{
lblError.Text = "Oops Something went wrong. Please Try again";
}
finally
{
conn.Close();
}
}
internal EventHandlerData(MethodInfo method, object instance)
{
_event = (DelEventHandler)Delegate.CreateDelegate(typeof(DelEventHandler), instance, method, true);
_attribute = method.GetCustomAttribute <EventHandlerAttribute>();
}
