private void button1_Click(object sender, EventArgs e) { if (sname.Text == " " || email.Text == " " || t_shop.Text == " " || password.Text == " ") { MessageBox.Show("Enter All the Details "); } else if (password.Text == re_password.Text) { I = 0; QUERY = "select * from sreg where sname='" + sname.Text + "' "; CON1.Open(); CMD = new OracleCommand(QUERY, CON1); RDR = CMD.ExecuteReader(); while (RDR.Read()) { if (RDR["sname"] == sname.Text) { I = 1; } else { I = I; } } RDR.Close(); CON1.Close(); if (I == 1) { MessageBox.Show(" Shop Name exists"); sname.Text = " "; sname.Focus(); } else { CON1.Open(); QUERY = "Insert into sreg(sname,email,type_shop,password) values('" + sname.Text + "','" + email.Text + "','" + t_shop.Text + "','" + password.Text + "')"; CMD = new OracleCommand(QUERY, CON1); CMD.CommandType = CommandType.Text; TEMP = CMD.ExecuteNonQuery(); if (TEMP > 0) { MessageBox.Show(" REGISTRATION SUCCESSFULL"); } else { MessageBox.Show("REGISTRATION FAILED"); } clear(); next(); } } else { MessageBox.Show("PASSWORDS DO NOT MATCH"); password.Text = ""; re_password.Text = ""; password.Focus(); } void clear() { sname.Text = email.Text = t_shop.Text = password.Text = " "; } void next() { CLogin ss = new CLogin(); ss.Show(); this.Hide(); } }