Export to and import from excel file

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Hi,

I am trying to export EXCEL file using

Response.ContentType = "application/vnd.ms-excel";

But when i import same file to system using oledb it throws an error which reads.

External table is not in the expected
format.System.Data.OleDb.OleDbException: External table is not in the
expected format. at System.Data.OleDb.OleDbConnection.ProcessResults(Int32
hr) at System.Data.OleDb.OleDbConnection.InitializeProvider() at
System.Data.OleDb.OleDbConnection.Open()

How to solve this ?
any help ?

Posted 20-Jun-11 0:18am

Raghavendra HG

Updated 20-Jun-11 0:24am

koolprasad2003

v2

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@nuraGGupta@ · Answer 1 · 2011-06-20T00:55:00

Solution 1

I am not very sure, but you may try with putting the columns names in excel sheet as same as that of the Grid from which you are exporting. I think I had encountered the same error sometime back and solved it the same way.

Posted 20-Jun-11 0:55am

@nuraGGupta@

thatraja · Answer 2 · 2011-06-20T07:19:00

Solution 2

Fix links

Problem parsing an XLS file with C#[^]
Unable to Open an Excel file using System.Data.OleDb.OleDbConnection[^]
Excel “External table is not in the expected format.”[^]

Posted 20-Jun-11 7:19am

thatraja

Ramalinga Koushik · Answer 3 · 2011-06-20T19:25:00

Solution 4

Hope C# class library for exporting data to CSV/Excel file[^]an article from CP might help you.

Posted 20-Jun-11 19:25pm

Ramalinga Koushik