public string BulkInsertCmd <T>(List <T> items)
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendLine($"INSERT INTO {nameof(Contact)}({BulkHelper.CommaSeparatedPropertiesNameFromType(typeof(Contact))})");
items.ForEach(item =>
{
stringBuilder.AppendLine($"SELECT {BulkHelper.CommaSeparatedPropertiesValueFromObject(item)}{BulkHelper.CmdLineDelimiter(items, item)}");
});
return(stringBuilder.ToString());
}
