private void lendingToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Hide();
frm_lending lending = new frm_lending();
lending.ShowDialog();
}
private void btn_sub_Click(object sender, EventArgs e)
{
String un = txt_un.Text.Replace("'", "");
un = un.Replace("\"", "");
String pw = sha256(txt_pw.Text);
if (un != "" && pw != "")
{
DataTable dt_login = new DataTable();
String sql = "SELECT * FROM login WHERE usr_un='" + un + "' AND usr_pw='" + pw + "'";
MySqlCommand cmd = new MySqlCommand(sql, conman.connection());
using (MySqlDataAdapter da_login = new MySqlDataAdapter(cmd))
{
da_login.Fill(dt_login);
}
int rowcount = dt_login.Rows.Count;
if (rowcount > 0)
{
foreach (DataRow row in dt_login.Rows)
{
pos = row["usr_pos"].ToString();
}
if (pos == "admin")
{
this.Hide();
frm_admin admin = new frm_admin();
admin.ShowDialog();
}
else if (pos == "Lending")
{
this.Hide();
frm_lending lending = new frm_lending();
lending.ShowDialog();
}
else if (pos == "Reference")
{
this.Hide();
frm_reference reference = new frm_reference();
reference.ShowDialog();
}
else if (pos == "Magazines_Newspapers")
{
this.Hide();
frm_MnN MnN = new frm_MnN();
MnN.ShowDialog();
}
else
{
MessageBox.Show("Invalid user !", "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Incorrect username or password ! \nPlease try again....", "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Please Enter your username and password !", "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}