private void btntesoreria_Click(object sender, EventArgs e) { this.Hide(); login2 l2 = new login2(); l2.Show(); }
private void button1_Click(object sender, EventArgs e) { OleDbConnection olecon = new OleDbConnection(); olecon.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=Database1.accdb;"; OleDbCommand olecmd = new OleDbCommand("SELECT * FROM UserTbl WHERE username=@user AND psw=@psw", olecon); olecmd.Parameters.Add("@user", OleDbType.VarChar); olecmd.Parameters["@user"].Value = textBox1.Text; olecmd.Parameters.Add("@psw", OleDbType.VarChar); olecmd.Parameters["@psw"].Value = textBox2.Text; try { olecon.Open(); OleDbDataReader oledr = olecmd.ExecuteReader(); if (oledr.Read()) { textBox1.Text = ""; textBox2.Text = ""; login2 f3 = new login2(); f3.ShowDialog(); } else { MessageBox.Show("ユーザIDまたパスワードが間違えています!もう一度入力してください...", "エラー", MessageBoxButtons.OK, MessageBoxIcon.Warning); } } finally { olecon.Close(); } }
private void btnpatrimonio_Click(object sender, EventArgs e) { login2 l2 = new login2(); l2.Show(); }
private void btnlogistica_Click(object sender, EventArgs e) { login2 l2 = new login2(); l2.Show(); }