private void button1_Click(object sender, EventArgs e) { string cs = "Data Source=ACER-PC;Initial Catalog=MovieDB;Integrated Security=True"; SqlConnection con = new SqlConnection(cs); con.Open(); string sql = "Delete from UserData where Username=@Username"; SqlCommand com = new SqlCommand(sql, con); com.Parameters.AddWithValue("@Username", comboBox1.SelectedItem); int line = com.ExecuteNonQuery(); if (line > 0) { MessageBox.Show("User Deleted!"); } else { MessageBox.Show("User not deleted"); } com.Dispose(); con.Close(); this.Hide(); AdminHome a = new AdminHome(); a.Show(); }
private void button2_Click(object sender, EventArgs e) { this.Hide(); AdminHome a = new AdminHome(); a.Show(); }
private void button1_Click(object sender, EventArgs e) { try { if (textBox6.Text == textBox7.Text) { string cs = "Data Source=ACER-PC;Initial Catalog=MovieDB;Integrated Security=True"; SqlConnection con = new SqlConnection(cs); con.Open(); string sql = "Insert into UserData values(@Username,@Password,@Name,@Address,@DOB,@NIC)"; SqlCommand com = new SqlCommand(sql, con); com.Parameters.AddWithValue("@Username", textBox5.Text); com.Parameters.AddWithValue("@Password", textBox6.Text); com.Parameters.AddWithValue("@Name", textBox1.Text); com.Parameters.AddWithValue("@Address", textBox2.Text); DateTime DOB = dateTimePicker1.Value; com.Parameters.AddWithValue("@DOB", DOB); com.Parameters.AddWithValue("@NIC", textBox4.Text); int line = com.ExecuteNonQuery(); com.Dispose(); con.Close(); if (line > 0) { MessageBox.Show("User successfully created!", "Create user", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { MessageBox.Show("Error!", "Error", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } this.Hide(); AdminHome a = new AdminHome(); a.Show(); } else { MessageBox.Show("Password mismatch!", "Re-enter password", MessageBoxButtons.OK, MessageBoxIcon.Error); textBox6.Text = ""; textBox7.Text = ""; } } catch (Exception ex) { MessageBox.Show("Please re-enter valid values", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } }
private void button1_Click(object sender, EventArgs e) { if (textBox2.Text == textBox3.Text) { int flag = 0; string cs = "Data Source=ACER-PC;Initial Catalog=MovieDB;Integrated Security=True"; SqlConnection con = new SqlConnection(cs); con.Open(); string sql = "Select Username, Password from UserData"; SqlCommand com = new SqlCommand(sql, con); SqlDataReader dr = com.ExecuteReader(); while (dr.Read()) { string un, pw; un = dr.GetValue(0).ToString(); pw = dr.GetValue(1).ToString(); if (textBox4.Text == un && textBox1.Text == pw) { flag = 1; } } dr.Close(); com.Dispose(); if (flag == 1) { string sql2 = "Update UserData set Password=@Password where Username=@Username"; SqlCommand com2 = new SqlCommand(sql2, con); com2.Parameters.AddWithValue("@Password", textBox2.Text); com2.Parameters.AddWithValue("@Username", textBox4.Text); int line = com2.ExecuteNonQuery(); com2.Dispose(); con.Close(); if (line > 0) { MessageBox.Show("Password successfully changed", "Password change", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { MessageBox.Show("Password change unsuccessful", "Error", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } } else { MessageBox.Show("Invalid username or password", "Please re-enter", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); textBox2.Text = ""; textBox3.Text = ""; } } else { MessageBox.Show("Password mismatch", "Re-enter password", MessageBoxButtons.OK, MessageBoxIcon.Error); textBox2.Text = ""; textBox3.Text = ""; } this.Hide(); AdminHome a = new AdminHome(); a.Show(); }
private void button1_Click(object sender, EventArgs e) { int flag = 0; string cs = "Data Source=ACER-PC;Initial Catalog=MovieDB;Integrated Security=True"; SqlConnection con = new SqlConnection(cs); con.Open(); string sql = "Select Username,Password from UserData"; SqlCommand com = new SqlCommand(sql, con); SqlDataReader dr = com.ExecuteReader(); while (dr.Read()) { string un, pw; un = dr.GetValue(0).ToString(); pw = dr.GetValue(1).ToString(); if (textBox1.Text == un && textBox2.Text == pw) { flag = 1; } } if (flag == 1) { UserHome uh = new UserHome(); uh.Show(); this.Hide(); com.Dispose(); dr.Dispose(); } else { com.Dispose(); dr.Dispose(); string sql2 = "Select UsernameA,PasswordA from AdminData"; SqlCommand com2 = new SqlCommand(sql2, con); SqlDataReader dr2 = com2.ExecuteReader(); while (dr2.Read()) { string un2, pw2; un2 = dr2.GetValue(0).ToString(); pw2 = dr2.GetValue(1).ToString(); if (textBox1.Text == un2 && textBox2.Text == pw2) { flag = 2; } } if (flag == 2) { AdminHome ah = new AdminHome(); ah.Show(); this.Hide(); } else { MessageBox.Show("Invalid username or password", "Re-enter", MessageBoxButtons.OKCancel, MessageBoxIcon.Error); } com.Dispose(); con.Close(); } }