Using Response.Write( ) method to export table data in .csv format. In the table one column is of number type and its length is up to 20 digits. When uploading data into .csv format its eleminating digits after 15th digit and placing 0 values till the end. And showing in exponasial formate number.
ex- actual no - 123456789012345 67890
saving as - 123456789012345 00000
Is there any way to formate column or cell using Response.write for .csv file.
Thanks in advance.
4  3234  Plater 7,872
Recognized Expert Expert
I would guess that since that number is so large is gets truncated? Might be implicitly casted as a Double? Make sure you are using a UInt64 to hold the number maybe?
Thanks for your response Plater.
I am converting totally into string format. And then writing it into file through Response.Write( ). Actually value which is getting through application is same and correct value. But because of excel(.CSV) default settings value is formating to exponansial format value. i am unable to change .csv settings through inbuilt Response method before writing into it.
Plater 7,872
Recognized Expert Expert
If the problem is with how excel reads the values, I don't think there is anything you can do in code.
Have you resized the width of the columns in excel? I find that when they are narrow, excel converts long numbers into scientific notation.
If you open the CSV in Notepad, you will likely see that the data stored in the CSV is correct. It is just how Excel is displaying the data that is incorrect. The easiest way around this is to change the formatting of the incorrect columns in Excel itself. If you were to save to Excel's native format instead of CSV, you could save the column formats too. This would alleviate the problem - but then you've got the added overhead in your code of creating a native Excel document and setting the column formats etc.
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