private void button1_Click(object sender, EventArgs e)
{
Administator A1 = new Administator();
SQLiteConnection sqlite_conn;
SQLiteConnection sqlite_conn1;
SQLiteCommand sqlite_cmd;
SQLiteCommand sqlite_cmd1;
SQLiteDataReader sqlite_datareader;
//SQLiteDataReader sqlite_datareader1;
sqlite_conn = new SQLiteConnection("Data Source=Login.db;Version=3;Compress=True;");
sqlite_conn.Open();
sqlite_cmd = sqlite_conn.CreateCommand();
sqlite_cmd.CommandText = "select * from Login where Password ='******'";
sqlite_datareader = sqlite_cmd.ExecuteReader();
if (sqlite_datareader.Read())
{
string a1 = sqlite_datareader.GetString(0);
sqlite_conn.Close();
sqlite_conn1 = new SQLiteConnection("Data Source=Login.db;Version=3;Compress=True;");
sqlite_conn1.Open();
sqlite_cmd1 = sqlite_conn1.CreateCommand();
sqlite_cmd1.CommandText = "Update Login SET Password='******' where Password='******'";
sqlite_cmd1.ExecuteNonQuery();
A1.SetData(a1, textBox3.Text);
sqlite_conn1.Close();
MessageBox.Show("Password Update");
textBox3.Clear();
textBox4.Clear();
}
else
{
sqlite_conn.Close();
MessageBox.Show("Can't Update Password!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
textBox3.Clear();
textBox4.Clear();
}
}
private void button1_Click(object sender, EventArgs e)
{
// We use these three SQLite objects:
SQLiteConnection sqlite_conn;
SQLiteCommand sqlite_cmd;
SQLiteDataReader sqlite_datareader;
if (!File.Exists("Login.db"))
{
// create a new database connection:
sqlite_conn = new SQLiteConnection("Data Source=Login.db;Version=3;New=True;Compress=True;");
// open the connection
sqlite_conn.Open();
// create a new SQL command:
sqlite_cmd = sqlite_conn.CreateCommand();
// Let the SQLiteCommand object know our SQL-Query:
sqlite_cmd.CommandText = "CREATE TABLE Login (Username varchar2 (100), Password varchar2 (100));";
// Now lets execute the SQL ;D
sqlite_cmd.ExecuteNonQuery();
// Lets insert something into our new table:
sqlite_cmd.CommandText = "INSERT INTO Login (Username,Password) VALUES ('aqibahmed60', 'abcabc');";
// And execute this again ;D
sqlite_cmd.ExecuteNonQuery();
// ...and inserting another line:
sqlite_cmd.CommandText = "INSERT INTO Login (Username,Password) VALUES ('ossaidahmed', '1234');";
// And execute this again ;D
sqlite_cmd.ExecuteNonQuery();
// ...and inserting another line:
sqlite_cmd.CommandText = "INSERT INTO Login (Username,Password) VALUES ('HafizHarisAlam', 'otaku');";
// And execute this again ;D
sqlite_cmd.ExecuteNonQuery();
// But how do we read something out of our table ?
// First lets build a SQL-Query again:
sqlite_cmd.CommandText = "SELECT * FROM Login where Username='******'and Password='******'";
Administator A1 = new Administator();
A1.SetData(textBox1.Text, textBox2.Text);
// Now the SQLiteCommand object can give us a DataReader-Object:
sqlite_datareader = sqlite_cmd.ExecuteReader();
// The SQLiteDataReader allows us to run through the result lines:
if (sqlite_datareader.Read()) // Read() returns true if there is still a result line to read
{
sqlite_conn.Close();
Employee_DB();
Product_DB();
Package_DB();
Total_Cost_DB();
Make_Up_DB();
Cutting_DB();
Nail_Art_DB();
this.Hide();
MainForm m1 = new MainForm();
m1.ShowDialog();
LoginForm L1 = new LoginForm();
L1.ShowDialog();
}
else
{
MessageBox.Show("Invalid Login", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Warning);
textBox1.Clear();
textBox2.Clear();
}
// We are ready, now lets cleanup and close our connection:
sqlite_conn.Close();
}
else
{
sqlite_conn = new SQLiteConnection("Data Source=Login.db;Version=3;Compress=True;");
sqlite_conn.Open();
sqlite_cmd = sqlite_conn.CreateCommand();
// But how do we read something out of our table ?
// First lets build a SQL-Query again:
sqlite_cmd.CommandText = "SELECT * FROM Login where Username='******'and Password='******'";
Administator A1 = new Administator();
A1.SetData(textBox1.Text, textBox2.Text);
// Now the SQLiteCommand object can give us a DataReader-Object:
sqlite_datareader = sqlite_cmd.ExecuteReader();
// The SQLiteDataReader allows us to run through the result lines:
if (sqlite_datareader.Read()) // Read() returns true if there is still a result line to read
{
this.Hide();
sqlite_conn.Close();
MainForm m1 = new MainForm();
m1.ShowDialog();
LoginForm L1 = new LoginForm();
L1.ShowDialog();
}
else
{
MessageBox.Show("Invalid Login", "Login Alert", MessageBoxButtons.OK, MessageBoxIcon.Warning);
textBox1.Clear();
textBox2.Clear();
}
sqlite_conn.Close();
// We are ready, now lets cleanup and close our connection
}
}
private void button2_Click(object sender, EventArgs e)
{
Administator A1 = new Administator();
if (string.IsNullOrWhiteSpace(textBox2.Text) || string.IsNullOrWhiteSpace(textBox5.Text))
{
MessageBox.Show("Please fill the missing field !", "Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
SQLiteConnection sqlite_conn;
SQLiteCommand sqlite_cmd;
SQLiteDataReader sqlite_dataread;
SQLiteConnection sqlite_conn1;
SQLiteCommand sqlite_cmd1;
SQLiteDataReader sqlite_dataread1;
SQLiteConnection sqlite_conn2;
SQLiteCommand sqlite_cmd2;
sqlite_conn = new SQLiteConnection("Data Source=Login.db;Version=3;Compress=True;");
sqlite_conn.Open();
sqlite_cmd = sqlite_conn.CreateCommand();
sqlite_cmd.CommandText = "Select * from Login where Username='******' and Password='******'";
sqlite_dataread = sqlite_cmd.ExecuteReader();
if (sqlite_dataread.Read())
{
sqlite_conn.Close();
sqlite_conn1 = new SQLiteConnection("Data Source=Login.db;Version=3;Compress=True;");
sqlite_conn1.Open();
sqlite_cmd1 = sqlite_conn1.CreateCommand();
sqlite_cmd1.CommandText = "select * from Login where Username='******'"; //UserName Verification
sqlite_dataread1 = sqlite_cmd1.ExecuteReader();
if (!sqlite_dataread1.Read())
{
sqlite_conn1.Close();
sqlite_conn2 = new SQLiteConnection("Data Source=Login.db;Version=3;Compress=True;");
sqlite_conn2.Open();
sqlite_cmd2 = sqlite_conn2.CreateCommand();
sqlite_cmd2.CommandText = "Update Login set Username='******' where Username='******' and Password='******'";
sqlite_cmd2.ExecuteNonQuery();
sqlite_conn2.Close();
A1.SetData(textBox2.Text, textBox5.Text);
display_Data();
MessageBox.Show("Username Update", "UPDATE", MessageBoxButtons.OK, MessageBoxIcon.Information);
textBox2.Clear();
textBox5.Clear();
}
else
{
sqlite_conn1.Close();
MessageBox.Show("Username can not be Update", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Information);
textBox2.Clear();
textBox5.Clear();
}
/*sqlite_cmd1.CommandText = "Update Login set Username='******' where Username='******' and Password='******'";
* sqlite_cmd1.ExecuteNonQuery();
* sqlite_conn1.Close();
*/
}
else
{
sqlite_conn.Close();
MessageBox.Show("Invalid Password ! Username can not be update", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Warning);
textBox2.Clear();
textBox5.Clear();
}
}
}
