public void DeleteUser(User_db udb)
{
string query = String.Format("Delete from signup where Username='******'", udb.Username);
Businesslogic BL = new Businesslogic();
BL.Nonquery(query);
}
public void changepassword(User_db udb)
{
string query = String.Format("update [signup] set [Password]='{0}' where [Username]='{1}'", udb.Password, udb.Username);
Businesslogic BL = new Businesslogic();
BL.Nonquery(query);
}
private void button1_Click(object sender, EventArgs e)
{
if (txtbox_pass.Text == txtbox_confpass.Text)
{
User_db udb = new User_db();
udb.Username = txtbox_Username.Text;
udb.Names = txtbox_name.Text;
udb.Password = txtbox_pass.Text;
udb.Usertype = combobox_usertype.Text;
udb.Insertuser(udb);
if (txtbox_Username.Text != "" && txtbox_name.Text != "" && txtbox_pass.Text != "")
{
if (combobox_usertype.Text == "Admin")
{
mainpage mp = new mainpage();
mp.Show();
}
else if (combobox_usertype.Text == "Teacher")
{
Home hm = new Home();
hm.Show();
}
MessageBox.Show("Signup successful!!");
}
else
{
MessageBox.Show("Please fill all the entries....!!!");
}
}
}
public void Insertuser(User_db udb)
{
string query = String.Format("insert into signup values ('{0}','{1}','{2}','{3}')",
udb.Username, udb.Names, udb.Password, udb.Usertype);
Businesslogic BL = new Businesslogic();
BL.Nonquery(query);
}
public void Addcourse(User_db udb)
{
string query = String.Format("insert into courses values ('{0}','{1}','{2}')",
udb.Names, udb.Fees, udb.Course);
Businesslogic BL = new Businesslogic();
BL.Nonquery(query);
}
private void btn_delete_Click(object sender, EventArgs e)
{
User_db udb = new User_db();
udb.Username = combobox_deleteuser.Text;
udb.DeleteUser(udb);
MessageBox.Show("User Deleted succesfully!!!");
}
private void btn_save_Click(object sender, EventArgs e)
{
User_db udb = new User_db();
udb.Addcourse(udb);
Signup sign = new Signup();
sign.Show();
}
private void button1_Click(object sender, EventArgs e)
{
User_db udb = new User_db();
udb.Username = txtbox_username.Text;
udb.Password = txtbox_oldpassword.Text;
if (txtbox_newpassword.Text == txtbox_conpassword.Text)
{
udb.Password = txtbox_conpassword.Text;
udb.changepassword(udb);
MessageBox.Show("Password succesfully changed!!!");
}
}
public bool Authenticated(User_db udb)
{
string query = string.Format("select * from signup where Username='******' and Password='******' and Usertype='{2}'", udb.Username, udb.Password, udb.Usertype);
Businesslogic BL = new Businesslogic();
OleDbDataReader rec = BL.SelectQuery(query);
if (rec.Read())
{
return(true);
}
else
{
return(false);
}
}
private void btn_login_Click(object sender, EventArgs e)
{
User_db udb = new User_db();
if (rbtn_admin.Checked)
{
udb.Usertype = "Admin";
}
else if (rbtn_user.Checked)
{
udb.Usertype = "Teacher";
}
udb.Username = txtbox_username.Text;
udb.Password = txtbox_password.Text;
/*
*
* if (udb.Username == txtbox_username.Text)
* {
* if (udb.Password == txtbox_password.Text)
* {
*
* }
* }
*/
if (udb.Authenticated(udb))
{
if (rbtn_admin.Checked)
{
mainpage ud = new mainpage();
ud.Show();
}
else if (rbtn_user.Checked)
{
userdisplay hform = new userdisplay();
hform.Show();
}
}
else
{
MessageBox.Show("Something has gone wrong,please fill the entries again!!");
}
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
User_db udb = new User_db();
udb.getdatabysearch(dataGridView1, textBox1.Text);
}
private void userdisplay_Load(object sender, EventArgs e)
{
User_db udb = new User_db();
udb.getdata(dataGridView1);
}
private void Home_Load(object sender, EventArgs e)
{
User_db udb = new User_db();
udb.Getdata(dataGridView1);
}
public void fillcbo()
{
User_db udb = new User_db();
udb.fillcombo(combobox_deleteuser);
}
