private void button18_Click(object sender, EventArgs e) { lblpass.Visible = false; btnnewpass.Visible = false; txtchangepassword.Visible = false; try { if (Convert.ToInt16(cmbuser.SelectedValue) == 1 || Convert.ToInt16(cmbuser.SelectedValue) == 2) { MessageBox.Show("You can't Delete this User. !!", "Meera Academy"); } else { int a = UserAdapter.Delete(Convert.ToInt16(cmbuser.SelectedValue)); if (a == 1) { MessageBox.Show("User Deleted Successfully. !!", "Meera Academy"); UserDT = UserAdapter.Select(); cmbuser.DataSource = UserDT; cmbuser.DisplayMember = "UserName"; cmbuser.ValueMember = "ID"; } } } catch (Exception a) { MessageBox.Show(a.Message.ToString(), "Error !!"); } }
private void button1_Click(object sender, EventArgs e) { try{ if (txtusername.Text == "") { MessageBox.Show("Please, Enter UserName !!", "Meera Academy"); } else if (txtpassword.Text == "") { MessageBox.Show("Please, Enter Password !!", "Meera Academy"); } else { int user = 0; UserDT = UserAdapter.Select(); for (int i = 0; i < UserDT.Rows.Count; i++) { byte[] bb = Convert.FromBase64String(UserDT.Rows[i]["Password"].ToString()); string getpass = System.Text.ASCIIEncoding.ASCII.GetString(bb); if (txtusername.Text == UserDT.Rows[i]["UserName"].ToString() && txtpassword.Text == getpass.ToString()) { userid = Convert.ToInt32(UserDT.Rows[i]["ID"].ToString()); uname = UserDT.Rows[i]["UserName"].ToString(); user = 1; } } if (user == 0) { MessageBox.Show("Invalid Username or Password !!", "Meera Academy"); } else { MessageBox.Show("Welcome to Meera Academy.", " Meera Academy"); lbldisplay.Text = "Welcome " + uname; lbldisplay.Visible = true; //lblmeera.Visible = false; txtusername.Text = ""; txtpassword.Text = ""; gplogin.Visible = false; btnlogout.Visible = true; pnllogo.Visible = true; } } } catch (Exception a) { MessageBox.Show(a.Message.ToString(), "Error!! Meera Academy"); } }
private void tbadmin_SelectedIndexChanged(object sender, EventArgs e) { try { if (tbadmin.SelectedIndex == 0) { dgstu.Visible = false; btndel.Visible = false; txtsid.Text = ""; dgstu.DataSource = null; } else if (tbadmin.SelectedIndex == 1) { gpteacher.Visible = false; txtateacherid.Text = ""; txtateachname.Text = ""; txtaqulif.Text = ""; txtasubject.Text = ""; } else if (tbadmin.SelectedIndex == 2) { gpupdatecourse.Visible = false; txtcid.Text = ""; txtcname.Text = ""; txtcfees.Text = ""; cmbcduration.SelectedIndex = 0; } else if (tbadmin.SelectedIndex == 3) { txtauser.Text = ""; txtapass.Text = ""; UserDT = UserAdapter.Select(); cmbuser.DataSource = UserDT; cmbuser.DisplayMember = "UserName"; cmbuser.ValueMember = "ID"; lblpass.Visible = false; btnnewpass.Visible = false; txtchangepassword.Visible = false; } } catch (Exception a) { MessageBox.Show(a.Message.ToString(), "Error !!"); } }
private void button17_Click(object sender, EventArgs e) { try { if (txtauser.Text == "") { MessageBox.Show("UserName cant't be blank!!", " Meera Academy"); } else if (txtapass.Text == "") { MessageBox.Show("Password can't be blank !!", " Meera Academy"); } else { byte[] b = System.Text.ASCIIEncoding.ASCII.GetBytes(txtapass.Text); string encryptedConnectionString = Convert.ToBase64String(b); // byte[] bb = Convert.FromBase64String(encryptedConnectionString); // string decryptedConnectionString = System.Text.ASCIIEncoding.ASCII.GetString(bb); int m = UserAdapter.Insert(txtauser.Text, encryptedConnectionString.ToString()); if (m == 1) { MessageBox.Show("User Added Successfully. !!", " Meera Academy"); txtauser.Text = ""; UserDT = UserAdapter.Select(); cmbuser.DataSource = UserDT; cmbuser.DisplayMember = "UserName"; cmbuser.ValueMember = "ID"; txtapass.Text = ""; } } } catch (Exception a) { MessageBox.Show(a.Message.ToString(), "Error !!"); } }