<div>
String.Format(&quot;{0:n}&quot;, 1234); <br />
&nbsp;<br />
string.Format(&quot;{0:n0}&quot;, 9876); // no decimals.
</div>


String.Format("{0:n}", 1234);
 
string.Format("{0:n0}", 9876); // no decimals.

<div>
that's for .NET framework C#, not MFC/C++
</div>


that's for .NET framework C#, not MFC/C++

<div>
<div class="content wysiwyg-content">
how can I format a number into a string with thousand decimal separator?<br />
<br />
like 123,123,123 instead of 123123123
</div>
</div>


how can I format a number into a string with thousand decimal separator?

like 123,123,123 instead of 123123123

CString decimal format with thousand separator?

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