C convert int to string with padding zeros

Question

In C  I have an integer value which need to be convereted to string but it needs to add zeros before   For Example   int i   1    When I convert it to string it needs to  become 0001  I need to know the syntax in C

User · Answer

NET has an easy function to do that in the String class  Just use    ToString   PadLeft 4   0       that will fill your number with 0 on the left  up to 4 length  int i   1   i toString   PadLeft 4  0       will return  0001

User · Answer

C  6 0 style string interpolation  int i   1  var str1      i D4    var str2      i 0000

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int p   3     fixed length padding int n   55     number to test  string t   n ToString  D    p      magic       Console WriteLine  Hello  world   gt  gt   0    t       outputs      Hello  world   gt  gt  055

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public static string ToLeadZeros this int strNum  int num        var str   strNum ToString        return str PadLeft str Length   num   0          var i   1     string num   i ToLeadZeros 5

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i ToString   PadLeft 4   0   - okay  but doesn t work for negative numbers i ToString  0000    - explicit form i ToString  D4    - short form format specifier    i 0000    - string interpolation  C  6 0

User · Answer

Easy peasy  int i   1  i ToString  0

User · Answer

Here s a good example   int number   1    D4   pad with 0000 string outputValue   String Format   0 D4    number   Console WriteLine outputValue    Prints 0001   OR outputValue   number ToString   PadLeft 4   0    Console WriteLine outputValue    Prints 0001 as well

User · Answer

You can use   int x   1  x ToString  0000

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Here I want to pad my number with 4 digit   For instance  if it is 1 then  it should show as 0001  if it 11 it should show as 0011    Below is the code that accomplishes this      reciptno 1     Pass only integer   string formatted   string Format   0 0000    reciptno    TxtRecNo Text   formatted     Output 0001   I implemented this code to generate money receipt number for a PDF file

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Simply  int i 123  string paddedI   i ToString  D4

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i ToString  D4      See MSDN on format specifiers

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To pad int i to match the string length of int x  when both can be negative   i ToString   PadLeft  int Math Log10 Math Abs x  lt  0   x   10   x     1   0

User · Answer

i ToString  0000

[c#] C# convert int to string with padding zeros?

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