private void loginButton_Click(object sender, EventArgs e)
{
//@ or //(double slash)
LinqLoginDataContext query = new LinqLoginDataContext(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=D:\Study\Sem 8\OOP2 (C#)\Final\Project\FinalTermProject\FinalTermProject\Admindata.mdf;Integrated Security=True;Connect Timeout=30");
{
var x = from login in query.Logins
where login.Username == textBox_username.Text && login.Password == textBox_pass.Text
select login;
if (x.Any())
{
Home h1 = new Home();
this.Hide();
h1.Show();
}
else
{
labelMessage.Visible = true;
labelMessage.Text = "Invalid Username/Password. Try again.";
//delete this
//Home h1 = new Home();
//this.Hide();
//h1.Show();
}
}
}
private void button_Verify_Update_Click(object sender, EventArgs e)//UPDATE Password Button (ADMIN SECTION)
{
if (textBox_New_Pass.Text != "")
{
try
{
LinqLoginDataContext lq = new LinqLoginDataContext(strCon);
var x = from a in lq.Logins
where a.Password == textBox_Old_Pass.Text
select a;
x.First().Password = textBox_New_Pass.Text;
lq.SubmitChanges();
dataGrid_Admin_List.DataSource = x.ToList();
MessageBox.Show("Success!");
}
catch
{
MessageBox.Show("Wrong Password! Try again.");
}
}
else
{
MessageBox.Show("Please insert a new password");
}
}
private void button4_Click(object sender, EventArgs e)//ADD Admin
{
if (textBox2.Text != "" && textBox3.Text != "")
{
if (textBox3.Text.Length >= 4)
{
LinqLoginDataContext lq = new LinqLoginDataContext(strCon);
Login lg = new Login
{
Username = textBox2.Text,
Password = textBox3.Text
};
MessageBox.Show("Admin added successfully!");
lq.Logins.InsertOnSubmit(lg);
lq.SubmitChanges();
// UpdateGridView();
}
else
{
MessageBox.Show("Password must have minimum 4 characters!");
}
}
else
{
MessageBox.Show("(Error!) Input username & password!");
}
}
private void button_Verify_Update_Click(object sender, EventArgs e)//UPDATE Password Button (ADMIN SECTION)
{
if (textBox_New_Pass.Text != "")
{
try
{
LinqLoginDataContext lq = new LinqLoginDataContext(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=D:\Study\Sem 8\OOP2 (C#)\Final\Project\FinalTermProject v2.0\FinalTermProject\FinalTermProject\Admindata.mdf;Integrated Security=True;Connect Timeout=30");
var x = from a in lq.Logins
where a.Password == textBox_Old_Pass.Text
select a;
x.First().Password = textBox_New_Pass.Text;
lq.SubmitChanges();
dataGrid_Admin_List.DataSource = x.ToList();
MessageBox.Show("Success!");
}
catch
{
MessageBox.Show("Wrong Password! Try again.");
}
}
else
{
MessageBox.Show("Please insert a new password");
}
}
private void button4_Click(object sender, EventArgs e)//ADD Admin
{
if (textBox2.Text != "" && textBox3.Text != "")
{
if (textBox3.Text.Length >= 4)
{
LinqLoginDataContext lq = new LinqLoginDataContext(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=D:\Study\Sem 8\OOP2 (C#)\Final\Project\FinalTermProject v2.0\FinalTermProject\FinalTermProject\Admindata.mdf;Integrated Security=True;Connect Timeout=30");
Login lg = new Login
{
Username = textBox2.Text,
Password = textBox3.Text
};
MessageBox.Show("Admin added successfully!");
lq.Logins.InsertOnSubmit(lg);
lq.SubmitChanges();
// UpdateGridView();
}
else
{
MessageBox.Show("Password must have minimum 4 characters!");
}
}
else
{
MessageBox.Show("(Error!) Input username & password!");
}
}
private void LoginButton_Click(object sender, EventArgs e)
{
//@ or //(double slash)
var strCon = ConfigurationManager.ConnectionStrings["FinalTermProject.Properties.Settings.ConnectionString"].ToString();
LinqLoginDataContext query = new LinqLoginDataContext(strCon);
{
var x = from login in query.Logins
where login.Username == textBox_username.Text && login.Password == textBox_pass.Text
select login;
if (x.Any())
{
Home h1 = new Home();
this.Hide();
h1.Show();
}
else
{
labelMessage.Visible = true;
labelMessage.Text = "Invalid Username/Password. Try again.";
//delete this
//Home h1 = new Home();
//this.Hide();
//h1.Show();
}
}
}
private void panel_Admin_Paint(object sender, PaintEventArgs e)//Admin list
{
LinqLoginDataContext lq = new LinqLoginDataContext(strCon);
var y = from g in lq.Logins
select new
{
Name = g.Username
};
dataGrid_Admin_List.DataSource = y.ToList();
}
private void panel_Admin_Paint(object sender, PaintEventArgs e)//Admin list
{
LinqLoginDataContext lq = new LinqLoginDataContext(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=D:\Study\Sem 8\OOP2 (C#)\Final\Project\FinalTermProject v2.0\FinalTermProject\FinalTermProject\Admindata.mdf;Integrated Security=True;Connect Timeout=30");
var y = from g in lq.Logins
select new
{
Name = g.Username
};
dataGrid_Admin_List.DataSource = y.ToList();
}
private void button5_Click(object sender, EventArgs e)//REMOVE Admin
{
LinqLoginDataContext lq = new LinqLoginDataContext(strCon);
if (textBox4.Text != "")
{
var x = from a in lq.Logins
where a.Username.Equals(textBox4.Text)
select a;
//Lamda Expression
foreach (Login l in x)
{
lq.Logins.DeleteOnSubmit(l);
}
lq.SubmitChanges();
dataGrid_Admin_List.DataSource = lq;
}
else
{
MessageBox.Show("Input an Admin name!");
}
}
private void button5_Click(object sender, EventArgs e)//REMOVE Admin
{
LinqLoginDataContext lq = new LinqLoginDataContext(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=D:\Study\Sem 8\OOP2 (C#)\Final\Project\FinalTermProject v2.0\FinalTermProject\FinalTermProject\Admindata.mdf;Integrated Security=True;Connect Timeout=30");
if (textBox4.Text != "")
{
var x = from a in lq.Logins
where a.Username.Equals(textBox4.Text)
select a;
//Lamda Expression
foreach (Login l in x)
{
lq.Logins.DeleteOnSubmit(l);
}
lq.SubmitChanges();
dataGrid_Admin_List.DataSource = lq;
}
else
{
MessageBox.Show("Input an Admin name!");
}
}
