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.net-在账单中创建自动增量编号

(.net - Creating an auto increment ID in bill)

发布于 2020-11-26 12:01:02

我想创建一个自动递增的事实ID,但事实ID应该像这样的问题FA001如何在每次保存事实时对其进行递增

Questioner
Oussama Hamadi
Viewed
11
Oussama Hamadi 2020-11-29 02:48:50

我用这种方法

string bill ="fa"

string Num = "001"

for i As integer = 0 to .Numcount -1

Num = val(Num)+1

if (Num.length >= 3 ) then

bill = bill & "Num"

else

Num= "0" & Num end if

next