我声明了一些空字符串,这样以后就不会抛出错误。
我读到这是正确的方法:
string Camnr = Klantnr = Ordernr = Bonnr = Volgnr = Omschrijving = Startdatum = Bonprioriteit = Matsoort = Dikte = Draaibaarheid = Draaiomschrijving = Orderleverdatum = Regeltaakkode = Gebruiksvoorkeur = Regelcamprog = Regeltijd = Orderrelease = "";
但这是行不通的。我收到此错误:Klantnr does not exist in the current context
.
我做错了什么?
你可以这样做:
string Camnr, Klantnr, Ordernr, Bonnr, Volgnr;// and so on.
Camnr = Klantnr = Ordernr = Bonnr = Volgnr = string.Empty;
首先你必须定义变量然后你可以使用 them.
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