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MasterPages: Improved VersionPaul Wilson www.WilsonDotNet.com www.ASPAlliance.com/PaulWilson Previous Article Download Demo Next Article OverviewMasterPages is the most flexib... 阅读全文
摘要：
MasterPages: IntroductionPaul Wilson www.WilsonDotNet.com www.ASPAlliance.com/PaulWilson Previous Article Download Demo Next Article OverviewMasterPages is the only solution f... 阅读全文
摘要：
as : expression as type 用于执行可兼容类型之间的转换。 as 运算符类似于类型转换，所不同的是，当转换失败时，as 运算符将产生空，而不是引发异常。is: expression is type 用于检查对象的运行时类型是否与给定类型兼容。 is 运算符只考虑引用转换、装箱转换和取消装箱转换。is 运算符不考虑其他转换（如用户定义的转换）。 阅读全文
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Abstract & Sealed Classes The abstract modifier is used to indicate that a class is incomplete and intended only to be a base class of other classes. An abstract class differs from a ... 阅读全文