private void BtnConfirm_Click(object sender, EventArgs e)
{
errorProvider1.SetError(BtnConfirm, "");
if (loginMap.ContainsValue(textBox1.Text))
{
foreach (KeyValuePair <string, string> keyValue in loginMap)
{
if (keyValue.Value.Equals(textBox1.Text))
{
loginMap.Remove(keyValue.Key);
loginMap.Add(textBox2.Text, keyValue.Value);
break;
}
}
startForm.Show();
this.Close();
}
else
{
errorProvider1.SetError(BtnConfirm, "Incorrect login, try again!");
}
}
private void BtnBack_Click(object sender, EventArgs e)
{
startForm.Show();
this.Close();
}