Description:
Microsoft data newsgroup.
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Error in SQL statement when using variable
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Please help if you can. I get an error trying to use a variable in a SQL statement. This is for an Access database using C# and I get the following error: System.Data.OleDb.OleDbExcepti on: Data type mismatch in criteria expression. Here is my code: 01 private void buttonTransfer_Click(object sender, EventArgs e)... more »
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Custom OLEDB provider - Non-nullable column cannot be updated to N
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Folks, I have written a custom OLEDB provider using ATL for our own data. The metadata (list of tables and columns) as well as the data seem to be coming through when this provider is used with Excel 2007. However, when I use a third party reporting product, I am running into an error when metadata fetch request is made. The error is "Non-nullable column... more »
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'=' sign in column name
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hello, Any hints how to make this query working? UPDATE [Sheet1$'] SET 'LANG="RD"' = 'changed' 'LANG="RD"' is a column name in xls file, but it's interpreted as a SET function I'm stucked ;(
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Garmin Streetpilot C330 Gps Receiver
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Powerful External Remote Amplified GPS Antenna Receiver for Garmin Nuvi 350 310 370 360 600 650 660 670 750 770 780 C310 C320 C340 76 2610 Ique M5 I3 I2 I5 Navman Streetpilot 2610 2620 C330 C340 Magellan Roadmate 300 360 760 Lowrance Holux Tomtom Go 910 710 510 Map Roadmate Price:$10.99 Image: [link]... more »
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API Cursor Parameter Meanings
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I support a dozen developers who use C++ Accessors and XML update grams extensively. When I capture trace event data with Profiler I have a lot of trouble finding what they are trying to do (and where :)) because most of the queries are sequences similar to sp_CursorOpen, sp_CursorFetch, sp_CursorOption, sp_Cursor, sp_CursorFetch, sp_Cursor, sp_CursorClose. I... more »
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How does the OleDbDataAdapter Update work?
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I know this is really basic but I am baffled trying to get the DataAdapter Update to work. Let's say I simply want to change all names "Smith" to "Jones" and I want to use the DataAdapter and DataTable to do it. So I try this: // assume the OleDbConnection conn is already open OleDbCommand cmd = new OleDbCommand("select lastname from employee",... more »
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Relinking access tables using an oledbconnection?
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Is there a way to relink access tables using an oledbconnection, or must it be done using DAO? I wrote a ADO.NET 3.5 based program that is using a Jet database. That Jet database has linked tables to another Jet database on the box. I discovered that opening the jet database with an oledbconnection sometimes had issues... more »
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switching from odbc to oledb
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Hi - I have an access 2007 database that I've linked via ODBC to a foxpro v6 database. The database has recently been updraded to visual foxpro v9. Now the odbc drivers don't work anymore. Microsoft says we need to use the ole db provider to connect to the v9 foxpro database. Do you need to write vb code to do this? Can't find any way to do this... more »
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