在vb.net中添加值 [英] adding values in vb.net

问题描述

大家好，我有类似t的字符串

将k变暗为字符串
k ="00004"

我想用该值加+1并得到"00005"

在vb.net中如何做到这一点他的

hi all , i have string like t

dim k as string
k="00004"

i want to add +1 with that value and get it "00005"

how do this in vb.net his

推荐答案

最好使用一个int，并使用ToString()对其进行格式化.

Better use an int, and format it with ToString().

Dim k As String = "00004"
Dim kValue As Integer = Integer.Parse(k) ' kValue = 4
kValue += 1                              ' kValue = 5
k = kValue.ToString("00000")             ' k = "00005"

Don''t.
将该值保留为整数，并在实际需要它而不是之前将其转换为字符串的情况.

Don''t.
Keep the value as an integer, and convert it to a string when you actually need it as a string, and not before.

Dim i As Integer = 4
Dim str As String = i.ToString("00000")

作为整数= 5
暗淡为string = cstr(a)

Dim a as integer = 5
Dim as string = cstr(a)

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