| 发表于:2007-01-16 12:14:445楼 得分:2 |
public int lastindexof(string value) member of system.string summary: reports the index position of the last occurrence of a specified system.string within this instance. parameters: value: a system.string to seek. returns: the index position of value if that string is found, or -1 if it is not. if value is system.string.empty, the return value is the last index position in value. | | |
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