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Can SaveAs support iDataReader export to avoid the dataTable consuming too much memory #211

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yfl8910 opened this issue Apr 21, 2021 · 5 comments
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Can SaveAs support iDataReader export to avoid the dataTable consuming too much memory #211

yfl8910 opened this issue Apr 21, 2021 · 5 comments
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enhancement New feature or request

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yfl8910 commented Apr 21, 2021

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@yfl8910 yfl8910 changed the title SaveAs能否支持IDataReader方式导出，以避免DataTable占用过多的内存 Can SaveAs support iDataReader export to avoid the dataTable consuming too much memory Apr 21, 2021
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yfl8910 commented Apr 21, 2021

epplus is support ws.Cells["A1"].LoadFromDataReader(reader, true)，if this project is support DataReader ， it will much better ，thanks

@shps951023 shps951023 added the enhancement New feature or request label Apr 22, 2021
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Thanks, MiniExcel will support this feature.

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Because the dimension needs to be placed in the header + the reason for the dimension size is only known after reading, so it needs to be rewritten once
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shps951023 added a commit that referenced this issue Apr 30, 2021
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0.13.5
44b89cc 
- [New] Support QueryAsDataTable method [#216](#216)
- [New] SaveAs support IDataReader value parameter [#211](#211)
- [Bug] Fix numeric format string will be cast to numeric type [#I3OSKV](https://gitee.com/dotnetchina/MiniExcel/issues/I3OSKV)
- [Opt] Optimize SaveAs convert value type logic to improve performance
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v 0.13.5 support this

MiniExcel.SaveAs(path, reader);

@shps951023 shps951023 moved this to Done in MiniExcel project Jun 10, 2024
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