示例#1
0
        private void bunifuThinButton21_Click(object sender, EventArgs e)
        {
            try
            {
                SqlConnection  conn2 = new SqlConnection("Data Source=DESKTOP-CU4B5J7;Initial Catalog=projectsmartassistant;Integrated Security=True");
                SqlDataAdapter sda2  = new SqlDataAdapter("Select Usertype From Admins where Username='******'and Password='******'", conn2);
                DataTable      dt2   = new DataTable();
                conn2.Open();
                sda2.Fill(dt2);
                string s2 = dt2.Rows[0][0].ToString();
                if (s2 == "admin")
                {
                    SqlConnection  conn3 = new SqlConnection("Data Source=DESKTOP-CU4B5J7;Initial Catalog=projectsmartassistant;Integrated Security=True");
                    SqlDataAdapter sda3  = new SqlDataAdapter("Select Count(*) From Admins where Username='******'and Password='******'", conn3);


                    DataTable dt3 = new DataTable();
                    conn3.Open();
                    sda3.Fill(dt3);
                    if (dt3.Rows[0][0].ToString() == "1")
                    {
                        Form11 f11 = new Form11();
                        //f1.catchuser(textUserName.Text);

                        this.Hide();
                        f11.Show();
                        f11.admin(textUserName.Text);
                        f11.suser();
                    }
                }
            }

            catch
            {
                SqlConnection  conn = new SqlConnection("Data Source=DESKTOP-CU4B5J7;Initial Catalog=projectsmartassistant;Integrated Security=True");
                SqlDataAdapter sda  = new SqlDataAdapter("Select Count(*) From Signup where Username='******'and Password='******'", conn);


                DataTable dt = new DataTable();
                conn.Open();
                sda.Fill(dt);

                if (dt.Rows[0][0].ToString() == "1")
                {
                    SqlConnection  conn1 = new SqlConnection("Data Source=DESKTOP-CU4B5J7;Initial Catalog=projectsmartassistant;Integrated Security=True");
                    SqlDataAdapter sda1  = new SqlDataAdapter("Select isvalid From Signup where Username='******'", conn1);
                    DataTable      dt1   = new DataTable();
                    conn1.Open();
                    sda1.Fill(dt1);
                    string s = dt1.Rows[0][0].ToString();
                    int    i = int.Parse(s);
                    if (i == 2)
                    {
                        Form5 f1 = new Form5();
                        f1.catchuser(textUserName.Text);

                        this.Hide();
                        f1.Show();
                    }

                    else
                    {
                        MessageBox.Show("Your account is not valid\nPlease try again later!!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Error);
                        textUserName.Text = "";
                        textPassword.Text = "";
                        textUserName.Focus();
                    }
                }
                else
                {
                    MessageBox.Show("Wrong credentials !!\nPlease Check Your User Name and Password !!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    textUserName.Text = "";
                    textPassword.Text = "";
                    textUserName.Focus();
                }
            }
        }