sub page_load(ob as object,ev as eventargs)
dim arr(3) as string
arr(0)="dog"
arr(1)="cat"
arr(2)="horse"
redim preserve arr(1)
response.write(arr(1))
end sub怎么CAT还是可以显示出来。不是已经重新定义数量只有一个元素了。感觉REDIM和ERASE把我弄的很晕。用ERASE时也报错。
dim arr(3) as string
arr(0)="dog"
arr(1)="cat"
arr(2)="horse"
redim preserve arr(1)
response.write(arr(1))
end sub怎么CAT还是可以显示出来。不是已经重新定义数量只有一个元素了。感觉REDIM和ERASE把我弄的很晕。用ERASE时也报错。
也就是说 Redim Arr(1)其实保留了Arr(0)和Arr(1)