private void button2_Click(object sender, EventArgs e)
{
studentfeed sd = new studentfeed();
this.Close();
sd.Show();
}
private void button1_Click(object sender, EventArgs e)
{
SqlConnection s = new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=D:\c#prudhvi\prudhviraj3884\c-projects\studentfeedbacksystem\studentfeedbacksystem\Database143.mdf;Integrated Security=True");
string query = "select * from table145 where studentid='" + studentusername.Text.Trim() + "' and studentname='" + studentpassword.Text.Trim() + "'";
SqlDataAdapter sda = new SqlDataAdapter(query, s);
DataTable dt1 = new DataTable();
sda.Fill(dt1);
if (dt1.Rows.Count == 1)
{
studentfeed sd = new studentfeed();
this.Hide();
sd.Show();
}
else
{
MessageBox.Show("invalid username or password");
}
}