private void btnCancel_Click(object sender, EventArgs e)
{
con.Open();
cmd = new SqlCommand("SELECT * FROM UserTable WHERE UserName= '******' and Password = '******'", con);
da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
int i = ds.Tables[0].Rows.Count;
if (i == 1)
{
Main_Form fT = new Main_Form();
fT.Show();
this.Hide();
}
else
{
MessageBox.Show("Not a Registered ADMIN, OR Invalid Username or Password");
}
con.Close();
}