private void button1_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(constr);
con.Open();
string i = textBox1.Text;
string p = textBox2.Text;
if (i != "")
{
if (i == p)
{
mdiform m = new mdiform();
this.Visible = false;
m.Visible = true;
}
else
{
MessageBox.Show("Ivalid ID");
}
}
else
{
MessageBox.Show("Ivalid ID");
}
con.Close();
}
private void button1_Click(object sender, EventArgs e)
{
mdiform m = new mdiform();
this.Visible = false;
m.Visible = true;
}