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all groups > dotnet ado.net > september 2003 > threads for friday september 5

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DataTable.Select problem
Posted by Alex Markov at 9/5/2003 11:55:27 PM
When I read table from Excel to DataTable object and one of the field's names is with "?" (for example "class?")at the end Select function throws the folowing exception: "... An unhandled exception of type 'System.Data.SyntaxErrorException' occurred in system.data.dll Additional informati...more >>

copying data from one table to another
Posted by Deepak at 9/5/2003 10:11:52 PM
Hi all, I am trying to copy data from one table to another. These tables are on different servers. I am successfully able to read data from the destination table. When I do DataAdapter.Update it does not give me an error and the data does not go in either. I think its got to do with the insert c...more >>

Serious Bug in BindingContext Position?
Posted by Mark Olbert at 9/5/2003 8:47:06 PM
There appears to be a very serious bug in the BindingContext's position handling code. When a BindingContext object is based on a DataView, and a new record is added to the DataView, the BindingContext object will not "allow" you to position onto the new record. The following code adds a new re...more >>

Output Stream(adExecuteStream) disappeared?
Posted by Porgányi Géza at 9/5/2003 7:16:50 PM
Hi! Before in ADO I used to get data from database with the technic below: Stored procedure: SELECT N'<XML><Data1>' SELECT N'<Item>' + fField1 + '</Item>' FROM tbXXX WHERE .... SELECT N'</Data1><Data2>' SELECT N'<Item>' + fField2 + '</Item>' FROM tbYYY WHERE .... SELECT N'</Data2>' SELEC...more >>

ADO Wrapper
Posted by JB at 9/5/2003 5:22:20 PM
I use my own home grown ADO wrapper, but I've heard of a version created by MS to do this same thing, anybody heard of such a thing, or know where it is? Jason ...more >>

Hello! Hello! What magic words are required to have questions answered.
Posted by Burton Wilkins at 9/5/2003 4:49:28 PM
Gentlemen: How is it that some get their questions answered, and others don't? If there is a "do-not-answer" list, and my name is on it, would you please take my name off it? I'm asking some serious questions on Byte arrays. Could someone please respond? I am building a general tool...more >>

ACCESS over TCP/IP
Posted by Nuno Fonseca at 9/5/2003 4:08:10 PM
Anyone knows if it is possible to make a database connection over TCP/IP to an MS ACCESS database? If yes please give me an example or any documentation please. Best regards, Nuno ...more >>

Typed DataTable example
Posted by Donal McWeeney at 9/5/2003 3:25:43 PM
Hi, Anyone know of some sample code that shows a good working example of a typed DataTable. Thanks Donal ...more >>



Uniqueidentifier type problem in a dataset...
Posted by Jérôme Poudou at 9/5/2003 3:02:00 PM
Hi, I've a table with a uniqueindentifier column in SQL server I want to fill an untyped dataset with a simple select * from table query, but the uniqueindentifier column is empty ! if I cast my column in a varchar type, there is no problem. Why ? How to resolve the problem ? thanks ...more >>

Creating and Opening MSDE DBs
Posted by Wayne Wengert at 9/5/2003 1:30:03 PM
I want to convert a VB6 app that used Access 2000 as its DB to a VB.NET app using MSDE and I have some questions. In the old VB6/Access app, the user could define a new database using a Open File Dialog. The user specified the path and file name. Using MSDE I believe I can only let the user pr...more >>

General network error.
Posted by Kevin Burton at 9/5/2003 12:36:49 PM
Does anyone here understand what a 'General network error.' is? I have two machines one of them works flawlessly, the other gives me errors intermittently declaring a 'General network error.' in the SqlException. I have looked in MSDN and found nothing really helpful. One page suggested us...more >>

Problem accessing FoxPro database across shared network
Posted by Glenn Wilson at 9/5/2003 11:55:36 AM
Hi, I am having problems connecting to a FoxPro database sitting on a shared folder on a network from within my .NET application. I am using a the following connection string to connect to the database: 'provider=VFPOLEDB.1;data source='\\myServer\DataDirectory\FoxProDatabase.dbc' When ...more >>

Stored Procedure
Posted by Catalin Porancea at 9/5/2003 10:14:03 AM
Hello, I need to execute a sp from a command at run time. If the command is a "select" statement I use: cmd.commandtext = "select * from table" cmd.executenonquery I tried cmd.commandtext = "exec sp_procedure" cmd.executenonquery but it didn't work. My connection is ODBC. Can...more >>

Is there a recommended common approach for reading and writing arrays of Bytes t
Posted by Burton G. Wilkins at 9/5/2003 7:46:13 AM
Gentlemen: I am building a general tool that should be able to read and write all SQL Server datatypes. Presently, I am working on that section of the program that reads and writes Images. Going to the helps that come with .Net, I find that Image map to an array of Bytes. Checking o...more >>

return string of more than 255 chars
Posted by Igor at 9/5/2003 7:03:33 AM
How to get more than 255 characters from a database using any of ADO.Net numerous possibilities? I created a field "Big" of type String in a table "Huge" (Microsoft Access) with the size of 250. I've put a text string "AAA...ZZZ" of length 250 into it. The sql statement I want to use is: ...more >>

When did Password become a Reserved Word?
Posted by Charles Law at 9/5/2003 1:10:45 AM
I thought I would bring this back up to the top, as I have resolved my original problem. I discovered that using ADO.NET, OleDb and the CommandBuilder, I got a syntax error when a column in my table was called "Password". Was everyone else aware that Password could not be used as a column na...more >>


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