private void button1_Click(object sender, EventArgs e) { Arights a = new Arights(); a.Show(); Hide(); }
private void button1_Click(object sender, EventArgs e) { string Aname = textBox_Aname.Text; string id = textBox_id.Text; string pwd = textBox_Apwd.Text; SqlConnection con = new SqlConnection(constr); string query = "select * from Admin11"; SqlCommand cmd = new SqlCommand(query, con); con.Open(); SqlDataReader dr = cmd.ExecuteReader(); DataTable dt = new DataTable(); dt.Load(dr); con.Close(); int f = 0; foreach (DataRow d in dt.Rows) { string aname_db = d["Name"].ToString(); string pwd_db = d["Password"].ToString(); string id_db = d["Id"].ToString(); if (aname_db == Aname && pwd == pwd_db && id == id_db) { f = 1; break; } } if (f == 0) { MessageBox.Show("Login failed"); textBox_Aname.Text = ""; textBox_Apwd.Text = ""; textBox_id.Text = ""; } else { MessageBox.Show("success"); Arights a = new Arights(); a.Show(); Hide(); } }