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OleDbConnection DBConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("~/carrier411_header_example.csv") + ";Extended Properties='Text;HDR=Yes;'");

'D:\Anand\Projects\ExcelGV\carrier411_header_example.csv' is not a valid path. Make sure that the path name is spelled correctly and that you are connected to the server on which the file resides.

But actually all the path was correct and I uploaded CSV file to read. Why it is unable to establish a connection to a csv file?
Updated 15-Oct-10 22:13pm
Sandeep Mewara 16-Oct-10 4:13am
Use PRE tags to format code part. It makes your question readable.

Make sure you do have permissions to access this folder.
Try 2 things:
1. Make sure file exists at following path: 'D:\Anand\Projects\ExcelGV\carrier411_header_example.csv'

2. Make sure you have configured proper permissions such that your code can access the file. For simple testing, provide access to 'Everyone' and see how things go. If it works then you need to figure out the appropriate permission for your application based on other settings.
A Fast CSV Reader
By Sebastien Lorion

Using ADO .NET JET provider is much slower and unstable --- it sometimes fails for no obvious reason. It's like a windows registry tweak is needed.

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