public void AddWithValue(string key, object value, bool check)
{
if (value == null)
{
value = DBNull.Value;
}
if (check && !SqlHelper.CheckSqlParameter(value.ToString()))
{
throw new SqlParameterException(key, value.ToString());
}
// Need to prevent adding a duplicate key
int index = pm.IndexOf(key);
if (index == -1)
{
pm.AddWithValue(key, value);
}
else
{
pm[index].Value = value;
}
}