摘要： ComparisonsComparisons occur in a similar manner to the mathematical operations. The operands in a comparison are lifted to both being nullable. Then, the comparison is done. If one of the operands c... 阅读全文

摘要： With the newest standard for the C# language, there is now support for nullable data types. This small change could be a huge help for those who deal with databases containing fields that are optional... 阅读全文