/// <summary>
/// Takes the user-inputed price and converts to a double if it is valid and positive
/// </summary>
/// <returns>true if price is valid and > 0</returns>
private bool ReadAndValidatePrice(out double price)
{
string input = txtPrice.Text;
if (InputUtility.GetPositiveDouble(input, out price))
{
return(true);
}
else
{
MessageBox.Show("Invalid price. Must be positive and consisting of at least one number, whole or decimal.", "Invalid price", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
}
/// <summary>
/// Validates that name is valid (not empty or only spaces)
/// </summary>
/// <returns>true if name is valid</returns>
private bool ReadAndValidateName(out string name)
{
name = txtName.Text;
if (!InputUtility.ValidateString(name))
{
MessageBox.Show("Invalid entry. Name cannot be empty," + Environment.NewLine + " and must have at least one character (cannot be a blankspace)", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtName.Focus();
txtName.Text = " ";
txtName.SelectAll();
return(false);
}
else
{
return(true);
}
}