Exemplo n.º 1
0
        private void btn_SelectStu_Click(object sender, EventArgs e)
        {
            int             id      = Convert.ToInt32(cmb_SearchStudent.Text);
            ViewStudentInfo vsfForm = new ViewStudentInfo(id, "staff");

            vsfForm.ShowDialog();
            Staff_Form_Load(null, null);
        }
Exemplo n.º 2
0
        private void btn_login_Click(object sender, EventArgs e)
        {
            con = new SqlConnection(ConfigurationManager.ConnectionStrings["SIMS2.Properties.Settings.Database1_ConnectionString"].ConnectionString);
            adp = new SqlDataAdapter();
            ds  = new DataSet();
            if (cmb_loginType.SelectedIndex == 1)
            {
                //student
                adp.SelectCommand = new SqlCommand("select studentId, password from Student", con);
                adp.Fill(ds, "myData");
                dt = ds.Tables["myData"];
                // dr = dt.Rows[0];
                dg.DataSource = ds.Tables["mydata"];

                int auth_flag = 0;
                foreach (DataRow dr in dt.Rows)
                {
                    string password = dr["password"].ToString();
                    string Id       = dr["studentId"].ToString();
                    //removing spaces so the if condition works
                    password = password.Replace(" ", String.Empty);
                    Id       = Id.Replace(" ", String.Empty);
                    if (Id == tb_username.Text && tb_password.Text == password)
                    {
                        this.Hide();
                        int             id      = Convert.ToInt32(Id);
                        ViewStudentInfo vsfForm = new ViewStudentInfo(id, "student");
                        vsfForm.ShowDialog();
                        auth_flag = 1;
                        break;
                    }
                }
                if (auth_flag == 0)
                {
                    MessageBox.Show("please try again", "login failed", MessageBoxButtons.OK);
                }
            }
            else if (cmb_loginType.SelectedIndex == 0)
            {
                //Instructor
                adp.SelectCommand = new SqlCommand("select instId,password from inst", con);
                adp.Fill(ds, "myData");
                dt = ds.Tables["myData"];
                // dr = dt.Rows[0];
                dg.DataSource = ds.Tables["mydata"];

                int auth_flag = 0;
                foreach (DataRow dr in dt.Rows)
                {
                    string password = dr["password"].ToString();
                    string Id       = dr["instId"].ToString();
                    //removing spaces so the if condition works
                    password = password.Replace(" ", String.Empty);
                    Id       = Id.Replace(" ", String.Empty);
                    if (Id == tb_username.Text && tb_password.Text == password)
                    {
                        this.Hide();
                        int id = Convert.ToInt32(Id);
                        id = Convert.ToInt32(Id);
                        ViewInstructorInfo vIIForm = new ViewInstructorInfo(id);
                        vIIForm.ShowDialog();
                        auth_flag = 1;
                        break;
                    }
                }
                if (auth_flag == 0)
                {
                    MessageBox.Show("please try again", "login failed", MessageBoxButtons.OK);
                }
            }
            else if (cmb_loginType.SelectedIndex == 2)
            {
                //Staff
                adp.SelectCommand = new SqlCommand("select id, password from staff", con);
                adp.Fill(ds, "myData");
                dt = ds.Tables["myData"];
                // dr = dt.Rows[0];
                dg.DataSource = ds.Tables["mydata"];

                int auth_flag = 0;
                foreach (DataRow dr in dt.Rows)
                {
                    string password = dr["password"].ToString();
                    string Id       = dr["Id"].ToString();
                    //removing spaces so the if conditin works
                    password = password.Replace(" ", String.Empty);
                    Id       = Id.Replace(" ", String.Empty);
                    if (Id == tb_username.Text && tb_password.Text == password)
                    {
                        this.Hide();
                        new Staff_Form().Show();
                        auth_flag = 1;
                        break;
                    }
                }
                if (auth_flag == 0)
                {
                    MessageBox.Show("please try again", "login failed", MessageBoxButtons.OK);
                }
            }
            con.Close();
        }