private void btnLogin_Click(object sender, EventArgs e) { if (CheckForEmptyString() && CheckCredentials(tbUsername.Text, tbPassword.Text)) { this.Hide(); Form mainMenu = new Forms.MainMenu(); mainMenu.Closed += (s, args) => this.Close(); mainMenu.Show(); DateTime date = DateTime.Now; string Time = date.ToString("HH:mm:ss - dd MMM, yyyy"); SQLiteCommand command = new SQLiteCommand ( "INSERT INTO LoggedIn" + "(Корисничко_име, " + "Време)" + "VALUES" + "(@Username, " + "@Time)", connection); connection.Open(); command.Parameters.AddWithValue("Username", tbUsername.Text); command.Parameters.AddWithValue("Time", Time); command.ExecuteNonQuery(); connection.Close(); } }