private void button1_Click(object sender, EventArgs e) { S_Dasboard a = new S_Dasboard(); a.Show(); this.Hide(); }
private void button1_Click(object sender, EventArgs e) { c.Open(); if (this.radioButton2.Checked) { try { SqlCommand q = new SqlCommand("Select UserName,Password,TeacherID from Teacher where UserName= '******' and Password='******' ", c); SqlDataReader dr = q.ExecuteReader(); if (dr.Read()) { if (dr["UserName"].ToString() == this.textBox1.Text && dr["Password"].ToString() == this.textBox2.Text) { T_ID = dr["TeacherID"].ToString(); Form2 a = new Form2(); a.Show(); this.Hide(); } } else { MessageBox.Show("Wrong User Name and Password.", "Important Note", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button2); } } catch (Exception err) { MessageBox.Show("Something Wrong Here Plz Contact Your Developer. " + err, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button2); } } else if (this.radioButton1.Checked) { try { SqlCommand q = new SqlCommand("Select UserName,Password,StudentID from Students where UserName= '******' and Password='******' ", c); SqlDataReader dr = q.ExecuteReader(); if (dr.Read()) { if (dr["UserName"].ToString() == this.textBox1.Text && dr["Password"].ToString() == this.textBox2.Text) { S_ID = dr["StudentID"].ToString(); S_Dasboard a = new S_Dasboard(); a.Show(); this.Hide(); } } else { MessageBox.Show("Wrong User Name and Password.", "Important Note", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button2); } } catch (Exception err) { MessageBox.Show("SomethingWron Here Plz Contact Your Developer" + err, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button2); } } else { } c.Close(); }