/// <summary>
/// evenet handler: login button: for verifying the user entery with the db
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button_login_Click(object sender, EventArgs e)
{
bool error = false;
try
{
if (!ErrorForTextbox[0])
{
textBox_emaliid.Focus();
}
else if (!ErrorForTextbox[1])
{
textBox_password.Focus();
}
else
{
byte[] vs = null;
int id = new ClassInteractingWithDB().LoginEmailidPasswordValidation(textBox_emaliid.Text, textBox_password.Text, out vs);
// sucessful login
if (0 != id)
{
if (vs != null)
{
pictureBox_image.Image = Image.FromStream(new MemoryStream(vs));
}
else
{
pictureBox_image.Image = pictureBox_image.InitialImage;
}
OnSucessFullLogin();
LoginVal = true;
}
else
{
groupBox_gridForm.Visible = false;
groupBox_DB.Visible = false;
label_invalidUserDisplay.Visible = true;
textBox_emaliid.Focus();
pictureBox_image.Image = pictureBox_image.InitialImage;
}
ClearTextboxFunction();
ClearErrorProviderFunction();
}
}
catch (Exception)
{
error = true;
MessageBox.Show("Application ran into an error");
}
finally
{
if (error)
{
this.Close();
}
}
}
/// <summary>
/// Event handller: for submit button: validate user entry and pass to ClassInteractingWithDB
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button_signup_Click(object sender, EventArgs e)
{
bool error = false;
try
{
if (!ErrorForTextbox[2])
{
textBox_emailidS.Focus();
}
else if (!ErrorForTextbox[3])
{
textBox_passwordS.Focus();
}
else if (!ErrorForTextbox[4])
{
textBox_ConfirmPassS.Focus();
}
else
{
int id = new ClassInteractingWithDB().SignupEmailIDValidation(textBox_emailidS.Text);
// New User
if (0 == id)
{
label_newUserJoin.Visible = false;
new EntryForm(textBox_emailidS.Text, textBox_ConfirmPassS.Text).ShowDialog();
ClearTextboxFunctionS();
textBox_emaliid.Focus();
ClearErrorProviderFunctionS();
}
//Account Exist
else
{
label_newUserJoin.Visible = true;
ClearTextboxFunctionS();
textBox_emailidS.Focus();
ClearErrorProviderFunctionS();
}
}
}
catch (Exception)
{
error = true;
MessageBox.Show("Application ran into an error");
}
finally
{
if (error)
{
this.Close();
}
}
}
/// <summary>
/// thread event handler: background worker: for presenting the data stored in the array to combobox
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void backgroundWorker_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
List <KeyValuePair <string, string> > keyValuePairs = new ClassInteractingWithDB().ReteriveEmailIDPassword();
emailid = new string[keyValuePairs.Count];
password = new string[keyValuePairs.Count];
int i = 0;
foreach (var element in keyValuePairs)
{
emailid[i] = element.Key;
password[i] = element.Value;
i++;
}
this.comboBox_SelectedIndexChanged(this, e);
comboBox.Items.AddRange(emailid);
}
