Web Forms :: Exporting A Large Number (65000 Records) Of Data In CSV

May 21, 2012

I am having nearly more than 80 thousand records and i need to export in .csv format.

I need to export to woksheet.

I need to export nearly 65 thousands of records in one sheet,

When  it reached the limit, it should exported in the next sheet.

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I have an ASP.net VB Web app I'm working on that has a requirement to provide a list of all our component part numbers to our engineers for selection into a custom Bill of Materials for reworking of an assembly. The list of part numbers is currently generated from a stored proc in our MRP systems/SQL database. The number of records being generated is slightly over 39K part numbers.

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I'm running a ASP.NET website on my development box (.NET 2.0 on Vista/IIS7).

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The Session_End method also logs every call.

I'm using InProc session state, and set the session timeout to 5 mins (to avoid waiting for 20 mins).

I hit the website, wait for 5 minutes unit I see the Session_End logging. Then I F5 the website. The browsers still has the session cookie and sends it to the server. Session_Start is called and a new session is created using the same session id (btw: I need this to be the same session id, because it is used to store data in database).


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When I open a different browser, the Session_Start method is called just once. Then after 5 minutes the Session_End each F5 causes the Session_Start method to execute.


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