<div>
Try this:<br />
<br />
sb.Append(String.Format(&quot;=<wbr />\&quot;{0}\&quot;&quot;, sCcNum.ToString() )<br />
<br />

</div>


Try this:

sb.Append(String.Format("=\"{0}\"", sCcNum.ToString() )



<div>
Hi,<br />
The best way for that was =&quot;1234567890123&quot;. The = makes the cell a formula, and the quotation marks make the enclosed value an Excel string literal. This will display all the digits, even beyond Excel's numeric precision limit, but the cell (generally) won't be able to be used directly in numeric calculations.
</div>


Hi,
The best way for that was ="1234567890123". The = makes the cell a formula, and the quotation marks make the enclosed value an Excel string literal. This will display all the digits, even beyond Excel's numeric precision limit, but the cell (generally) won't be able to be used directly in numeric calculations.

<div>
Eventually got around to checking it - it is an apostrophe. &nbsp;See attached pictures<br />
<a href="https://filedb.experts-exchange.com/incoming/2011/03_w12/429406/0013.jpg" target="_blank" class="file-inline" title="Displayed in cell (7 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>0013.jpg</a><br />
<a href="https://filedb.experts-exchange.com/incoming/2011/03_w12/429407/0014.jpg" target="_blank" class="file-inline" title="Entered with preceding apostrophe (15 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>0014.jpg</a>
</div>


Eventually got around to checking it - it is an apostrophe.  See attached pictures
0013.jpg [https://filedb.experts-exchange.com/incoming/2011/03_w12/429406/0013.jpg]
0014.jpg [https://filedb.experts-exchange.com/incoming/2011/03_w12/429407/0014.jpg]

0013.jpg

0014.jpg

<div>
This helped. <br />
Thank you
</div>


<div>
<div class="content wysiwyg-content">
Hello,<br />
<br />
I'm writing some data into a text file as *.csv and one of the columns is credit card number. However, when it is opened in Excel its values is converted to scientific notation such as 4.54111E+15 &nbsp;(of course that is due to the format Excel assigns to cell containing this value) however, when I open it notepad or any ascii editor the value is normal.<br />
<br />
How can I make it such that when Excel reads it still reads it as a normal number or string?<br />
<br />
I tried:<br />
<br />
<br />
sb.Append(String.Format(&quot;\<wbr />&quot;{0}\&quot;&quot;, sCcNum.ToString() )<br />
<br />
yet it still Excel shows it with scientific notation.<br />
<br />
Thanks.<br />

</div>
</div>


Hello,

I'm writing some data into a text file as *.csv and one of the columns is credit card number. However, when it is opened in Excel its values is converted to scientific notation such as 4.54111E+15  (of course that is due to the format Excel assigns to cell containing this value) however, when I open it notepad or any ascii editor the value is normal.

How can I make it such that when Excel reads it still reads it as a normal number or string?

I tried:


sb.Append(String.Format("\"{0}\"", sCcNum.ToString() )

yet it still Excel shows it with scientific notation.

Thanks.


Writing numbers in text file (csv, excel)

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