ASP判断是否为空
判断是否为空常用如下方法
判断指定对象是否为空值, 包含大部分情况, 譬如空数组,空字符串,Empty和Null对象等等
Private Function IsBlank(byref TempVar)IsBlank = FalseSelect Case VarType(TempVar)Case 0, 1 '--- Empty & NullIsBlank = TrueCase 8 '--- StringIf Len(TempVar) = 0 ThenIsBlank = TrueEnd IfCase 9 '--- ObjecttmpType = TypeName(TempVar)If (tmpType = "Nothing") Or (tmpType = "Empty") ThenIsBlank = TrueEnd IfCase 8192, 8204, 8209 '--- ArrayIf UBound(TempVar) = -1 ThenIsBlank = TrueEnd IfEnd SelectEnd Function
