private void button18_Click(object sender, EventArgs e)
{
lblpass.Visible = false;
btnnewpass.Visible = false;
txtchangepassword.Visible = false;
try
{
if (Convert.ToInt16(cmbuser.SelectedValue) == 1 || Convert.ToInt16(cmbuser.SelectedValue) == 2)
{
MessageBox.Show("You can't Delete this User. !!", "Meera Academy");
}
else
{
int a = UserAdapter.Delete(Convert.ToInt16(cmbuser.SelectedValue));
if (a == 1)
{
MessageBox.Show("User Deleted Successfully. !!", "Meera Academy");
UserDT = UserAdapter.Select();
cmbuser.DataSource = UserDT;
cmbuser.DisplayMember = "UserName";
cmbuser.ValueMember = "ID";
}
}
}
catch (Exception a)
{
MessageBox.Show(a.Message.ToString(), "Error !!");
}
}
private void button1_Click(object sender, EventArgs e)
{
try{
if (txtusername.Text == "")
{
MessageBox.Show("Please, Enter UserName !!", "Meera Academy");
}
else if (txtpassword.Text == "")
{
MessageBox.Show("Please, Enter Password !!", "Meera Academy");
}
else
{
int user = 0;
UserDT = UserAdapter.Select();
for (int i = 0; i < UserDT.Rows.Count; i++)
{
byte[] bb = Convert.FromBase64String(UserDT.Rows[i]["Password"].ToString());
string getpass = System.Text.ASCIIEncoding.ASCII.GetString(bb);
if (txtusername.Text == UserDT.Rows[i]["UserName"].ToString() && txtpassword.Text == getpass.ToString())
{
userid = Convert.ToInt32(UserDT.Rows[i]["ID"].ToString());
uname = UserDT.Rows[i]["UserName"].ToString();
user = 1;
}
}
if (user == 0)
{
MessageBox.Show("Invalid Username or Password !!", "Meera Academy");
}
else
{
MessageBox.Show("Welcome to Meera Academy.", " Meera Academy");
lbldisplay.Text = "Welcome " + uname;
lbldisplay.Visible = true;
//lblmeera.Visible = false;
txtusername.Text = "";
txtpassword.Text = "";
gplogin.Visible = false;
btnlogout.Visible = true;
pnllogo.Visible = true;
}
}
}
catch (Exception a)
{
MessageBox.Show(a.Message.ToString(), "Error!! Meera Academy");
}
}
private void tbadmin_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (tbadmin.SelectedIndex == 0)
{
dgstu.Visible = false;
btndel.Visible = false;
txtsid.Text = "";
dgstu.DataSource = null;
}
else if (tbadmin.SelectedIndex == 1)
{
gpteacher.Visible = false;
txtateacherid.Text = "";
txtateachname.Text = "";
txtaqulif.Text = "";
txtasubject.Text = "";
}
else if (tbadmin.SelectedIndex == 2)
{
gpupdatecourse.Visible = false;
txtcid.Text = "";
txtcname.Text = "";
txtcfees.Text = "";
cmbcduration.SelectedIndex = 0;
}
else if (tbadmin.SelectedIndex == 3)
{
txtauser.Text = "";
txtapass.Text = "";
UserDT = UserAdapter.Select();
cmbuser.DataSource = UserDT;
cmbuser.DisplayMember = "UserName";
cmbuser.ValueMember = "ID";
lblpass.Visible = false;
btnnewpass.Visible = false;
txtchangepassword.Visible = false;
}
}
catch (Exception a)
{
MessageBox.Show(a.Message.ToString(), "Error !!");
}
}
private void button17_Click(object sender, EventArgs e)
{
try
{
if (txtauser.Text == "")
{
MessageBox.Show("UserName cant't be blank!!", " Meera Academy");
}
else if (txtapass.Text == "")
{
MessageBox.Show("Password can't be blank !!", " Meera Academy");
}
else
{
byte[] b = System.Text.ASCIIEncoding.ASCII.GetBytes(txtapass.Text);
string encryptedConnectionString = Convert.ToBase64String(b);
// byte[] bb = Convert.FromBase64String(encryptedConnectionString);
// string decryptedConnectionString = System.Text.ASCIIEncoding.ASCII.GetString(bb);
int m = UserAdapter.Insert(txtauser.Text, encryptedConnectionString.ToString());
if (m == 1)
{
MessageBox.Show("User Added Successfully. !!", " Meera Academy");
txtauser.Text = "";
UserDT = UserAdapter.Select();
cmbuser.DataSource = UserDT;
cmbuser.DisplayMember = "UserName";
cmbuser.ValueMember = "ID";
txtapass.Text = "";
}
}
}
catch (Exception a)
{
MessageBox.Show(a.Message.ToString(), "Error !!");
}
}
