/// <summary>
/// Handler when an admin wants to add a new user to the database.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void onAddNewUserClicked(object sender, EventArgs e)
{
//Check if the the input values are correct.
if (this.adminComboBoxPermissionGroup.SelectedIndex != -1 && this.adminInputNewUsername.Text.Length > 0)
{
//Generate password and convert it to a hash.
ARA_Login loginHandler = new ARA_Login();
string randomPassword = loginHandler.generateRandomPassword(ARA_Constants.randomPasswordLength);
byte[] passwordHash = loginHandler.getHashFromByteArray(loginHandler.GetBytes(randomPassword));
//Insert new user in the database.
this.tbl_UserTableAdapter.Insert(this.adminInputNewUsername.Text, passwordHash, (Int32)this.adminComboBoxPermissionGroup.SelectedValue);
this.dataGridView1.DataSource = this.tbl_UserTableAdapter.GetData();
//Give the admin a pop-up and copy the new password to the users clipboard.
MessageBox.Show(ARA_Constants.messageBoxLoginNewUser, ARA_Constants.messageBoxLoginNewUserHeader, MessageBoxButtons.OK, MessageBoxIcon.Information);
//Clean the login handler form memory.
loginHandler = null;
}
}