private async void checkDatabaseIfUsernameExistsAndAddItIfItDoesnt()
{
String result = await dbm.CheckUserExists(displayNameTextBox.Text);
if (result == null)
{
//displayName doesn't exist. add it to the database
dbm.CreateNewUser(displayNameTextBox.Text, emailTextBox.Text, schoolComboBox.Text, passwordTextBox.Text);
}
else
{
//displayName does exist and result is suggested name
MessageBox.Show("Display Name already exists, try: " + result, "Display Name already exists", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}