How to update file version on a button click?

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C#

Hi,

I want to increment the version of the file when the user clicks button. file version must increment from 1000 to 10001. which means it will be writing to the file every time you click a button.

I want this version to increment from 1000 to 10001 every-time you click new button.

<resheader name="version">
    <value>2.0</value>
  </resheader>
  <resheader name="reader">

my coding below. i am lost on how i can update the file version. please help

int versionNumber = 1000;
public void versionIncrement()
{
            versionNumber++;
            lbl_Output_Version.Text = versionNumber.ToString();
            lbl_Output_Version.Visible = true;}
}