private void bunifuThinButton21_Click(object sender, EventArgs e) { if (UnameTb.Text == "" || PassTb.Text == "") { MessageBox.Show("Enter Username and Password"); } else { if (RoleCb.SelectedIndex > -1) { if (RoleCb.SelectedItem.ToString() == "Admin") { if (UnameTb.Text == "Admin" && PassTb.Text == "Admin") { ProductForm prod = new ProductForm(); prod.Show(); this.Hide(); } else { MessageBox.Show("If You are the Admin, Enter Correct Username and Password"); } } else { //MessageBox.Show("You are the Seller"); Con.Open(); SqlDataAdapter sda = new SqlDataAdapter("select count(8) from SellerTbl where SellerName='" + UnameTb.Text + "' and SellerPass='******'", Con); DataTable dt = new DataTable(); sda.Fill(dt); if (dt.Rows[0][0].ToString() == "1") { Sellername = UnameTb.Text; SellingForm sell = new SellingForm(); sell.Show(); this.Hide(); Con.Close(); } else { MessageBox.Show("Wrong Username or Password"); } Con.Close(); } } else { MessageBox.Show("Select A Role"); } } }