void okButton_Click(object sender, EventArgs e)
{
try
{
this.DialogResult = DialogResult.None;
if (userNamTextBox.Text.Length == 0)
{
MessageBox.Show(this, "Enter a user name.", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
else if (passwordTextBox.Text.Length == 0)
{
MessageBox.Show(this, "Enter a user password.", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
else if (!UserAccessManager.AuthenticateUser(userNamTextBox.Text, UserAccessManager.GetSecureString(passwordTextBox.Text)))
{
MessageBox.Show(this, "Invalid user name or password.", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
else
{
DialogResult = DialogResult.OK;
}
}
catch (Exception exception)
{
MessageBox.Show(this, exception.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
passwordTextBox.Text = string.Empty;
}
}