错误处理C中的对象#
问题描述:
这可能很简单,但我有一个.asmx web服务,它返回一个序列化为json的对象。如果出现错误,我想扔一个字符串。我最终为错误消息添加了一个公共字符串。我可以投我的对象,以返回一个字符串?错误处理C中的对象#
public TmsObject GetTombstoneDataJson(string ObjectNumber)
{
if ((Regex.IsMatch(ObjectNumber, @"^([\w\._-]|\s)*$")))
{
try
{
TmsObject tmsd = new TmsObject();
tmsd.Dated = "foo";
tmsd.Medium = "foo";
tmsd.Dimensions = "foo";
tmsd.ObjectNumber = "foo";
tmsd.CreditLine = "foo";
return tmsd;
}
catch
{
TmsObject notmsd = new TmsObject();
notmsd.ErrorMsg = "There was an error in processing this request. Please review the web service description and try again.";
return notmsd;
}
}
else
{
TmsObject notmsd = new TmsObject();
notmsd.ErrorMsg = "One of the required parameters is empty or incorrect.";
return notmsd;
}
}
答
您需要将方法的返回类型更改为string
。但是,我认为你不想这样做。无论如何,ErrorMsg
字符串已经作为对象的一部分返回。因此,在进行之前,由调用者检查ErrorMsg
是否包含任何内容。