/// <summary>
/// Excute user login validation
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LoginButton_Click(object sender, EventArgs e)
{
User user = new User()
{
UserName = UserNameTextBox.Text.Trim(),
Password = PasswordTextBox.Text.Trim()
};
Response response = new Response();
if (string.IsNullOrEmpty(UserNameTextBox.Text.Trim()))
{
UserNameTextBox.Focus();
UserNameErrorProvider.SetError(UserNameTextBox, "UserName can't be vacant!");
}
else
{
UserNameErrorProvider.SetError(UserNameTextBox, "");
if (string.IsNullOrEmpty(PasswordTextBox.Text.Trim()))
{
PasswordTextBox.Focus();
PasswordErrorProvider.SetError(PasswordTextBox, "Password can't be vacant!");
}
else
{
PasswordErrorProvider.SetError(PasswordTextBox, "");
if (string.IsNullOrEmpty(IdentifyingCodeTextBox.Text.Trim()))
{
IdentifyingCodeTextBox.Focus();
IdentifyingCodeErrorProvider.SetError(IdentifyingCodeTextBox, "IdentifyingCode can't be vacant!");
}
else
{
try
{
response = new UserService().Authentication(user);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
if (string.IsNullOrEmpty(response.Message))
{
if (IdentifyingCodeTextBox.Text.Trim() == identifyingCode || IdentifyingCodeTextBox.Text.Trim().ToLowerInvariant() == identifyingCode.ToLowerInvariant() || IdentifyingCodeTextBox.Text.Trim().ToUpperInvariant() == identifyingCode.ToUpperInvariant())
{
Form f = Application.OpenForms["StaffList"];
if (f == null)
{
f = new StaffList();
f.Show();
this.Hide();
}
else
{
f.Show();
this.Hide();
}
}
else
{
MessageBox.Show("Identifying code do not match!", "System prompt", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
else
{
MessageBox.Show(response.Message, "System prompt", MessageBoxButtons.OK, MessageBoxIcon.Information);
ClearInformation();
Bind();
}
}
}
}
}
/// <summary>
/// Clear all the textbox content
/// </summary>
public void ClearInformation()
{
UserNameTextBox.Clear();
PasswordTextBox.Clear();
IdentifyingCodeTextBox.Clear();
}
