//home button
private void button4_Click(object sender, EventArgs e)
{
homepage h1 = new homepage(s1);
h1.Show();
this.Hide();
}
//onclick of button login and validating
private void button1_Click(object sender, EventArgs e)
{
if (comboBox1.Text == "student")
{
try
{
String oradb = "Data Source=DESKTOP-K6AG53J;Persist Security Info=True;User ID=system;Password=student;";
OracleConnection conn = new OracleConnection(oradb);
conn.Open();
OracleCommand comm = new OracleCommand();
comm.CommandText = "select * from student where id = " + textBox1.Text;
comm.CommandType = CommandType.Text;
DataSet ds = new DataSet();
OracleDataAdapter da = new OracleDataAdapter(comm.CommandText, conn);
da.Fill(ds, "Tbl_student");
DataTable dt = ds.Tables["Tbl_student"];
int t1 = dt.Rows.Count;
DataRow dr = dt.Rows[i];
if (t1 != 0)
{
ID = dr["ID"].ToString();
fname = dr["FNAME"].ToString();
lname = dr["lNAME"].ToString();
dob = dr["dob"].ToString();
sex = dr["SEX"].ToString();
email = dr["EMAIL"].ToString();
contact = dr["contact_no"].ToString();
fa_name = dr["father_name"].ToString();
address = dr["Address"].ToString();
password = dr["password"].ToString();
p_c = dr["parent_contact"].ToString();
conn.Close();
//validating credintials
if (textBox1.Text == ID && textBox2.Text == password)
{
homepage hp = new homepage(textBox1.Text);
hp.Show();
this.Hide();
}
//wrong credintials
else
{
label5.Text = "wrong credentials!!";
}
}
}
catch (IndexOutOfRangeException ex)
{
MessageBox.Show("Invalid Details!");
}
}
else if (comboBox1.Text == "faculty")
{
try
{
String oradb = "Data Source=DESKTOP-K6AG53J;Persist Security Info=True;User ID=system;Password=student;";
OracleConnection conn = new OracleConnection(oradb);
conn.Open();
OracleCommand comm = new OracleCommand();
comm.CommandText = "select * from faculty where id = " + textBox1.Text;
comm.CommandType = CommandType.Text;
DataSet ds = new DataSet();
OracleDataAdapter da = new OracleDataAdapter(comm.CommandText, conn);
da.Fill(ds, "Tbl_faculty");
DataTable dt = ds.Tables["Tbl_faculty"];
int t2 = dt.Rows.Count;
DataRow dr = dt.Rows[i];
if (t2 != 0)
{
ID = dr["ID"].ToString();
fname = dr["FNAME"].ToString();
lname = dr["lNAME"].ToString();
dob = dr["dob"].ToString();
sex = dr["SEX"].ToString();
//email = dr["EMAIL"].ToString();
contact = dr["contact_no"].ToString();
dept = dr["dept"].ToString();
address = dr["Address"].ToString();
password = dr["password"].ToString();
// p_c = dr["parent_contact"].ToString();
conn.Close();
//validating credintials
if (textBox1.Text == ID && textBox2.Text == password)
{
Faculty_homepage fhp = new Faculty_homepage(textBox1.Text);
fhp.Show();
this.Hide();
}
//wrong credintials
else
{
label5.Text = "wrong credentials!!";
}
}
}
catch (IndexOutOfRangeException ex)
{
MessageBox.Show("Invalid Details!");
}
}
}