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8.4

.MDB access slow in C# Upgraded to VS 2005 - Now old c# project VERY VERY slow handling Access .mdb files

Asked by nvms in C# Programming Language

Tags: slow, access, mdb

I have an application which manipulates a fairly large Access database (25000 records, 51Mb). Code snippets include:

Many lines of code missing, just to give you an idea of the code used....
CONN_STRING = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + DATABASE_NAME;
oCONN = new OleDbConnection(CONN_STRING); // Set oCONN object
oCONN.Open(); // Open the oCONN

Saving...
oDA_new = new OleDbDataAdapter(sSQL,oCONN);
oDS_new = new DataSet(); // Create the DataSet
oDA_new.Fill(oDS_new,"Products");
DataRow oDR = oDS_new.Tables["Products"].NewRow();
oDS_new.Tables["Products"].Rows.Add(oDR);
oCB_new = new OleDbCommandBuilder(oDA_new);
oDA_new.Update(oDS_new,"Products");

With the old VS a database with a few thousand updated records would save in around 60 seconds.

With VS2005, the same application takes about 4 hours !!!!!

I ahve not changed any references between versions. Have you any idea why this has slowed so much ? I am now rewritting the program using SQL Server 2005 but until the program is fully developed I wish to use the old version without the 12 hour turn-around !

Help !

Fully qualified answer needed and positive outcome to receive points. Thankyou
[+][-]11/27/06 04:44 AM, ID: 18018722Accepted Solution

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About this solution

Zone: C# Programming Language
Tags: slow, access, mdb
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Solution Provided By: graye
Participating Experts: 1
Solution Grade: B
 
[+][-]11/24/06 03:08 PM, ID: 18009655Expert Comment

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[+][-]11/24/06 11:31 PM, ID: 18010571Author Comment

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[+][-]11/25/06 06:24 AM, ID: 18011417Expert Comment

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[+][-]11/27/06 12:03 AM, ID: 18017671Author Comment

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[+][-]11/27/06 04:21 PM, ID: 18024101Author Comment

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