private bool IsClientInDatabase()
{
var clientRequest = new ClientRequest();
var responseData = clientRequest.Get(firstNameTextBox.Text, lastNameTextBox.Text, phoneNumberTextBox.Text,
new DateTime(Convert.ToInt32(yearTextBox.Text), Convert.ToInt32(monthTextBox.Text), Convert.ToInt32(dayTextBox.Text))); //get client from database that has the same data as provided
if (responseData != null)
{
return(true);
}
else
{
return(false);
}
}