/// <summary>
/// 根据主键删除数据
/// </summary>
/// <param name="IDs">主键,多个用英文逗号分隔</param>
/// <returns>成功返回空值,否则返回提示</returns>
public retValue DeleteByPK(string IDs)
{
retValue ret = new retValue();
string res = dal.DeleteByPK(IDs);
if (string.IsNullOrEmpty(res))
{
ret.result = true; ret.data = "删除成功";
}
else
{
ret.result = false; ret.reason = res;
}
return(ret);
}