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ADO.NET |
Wed, May 30 2007 7:02 AM | Permanent Link |
tomas | Hi,
I am registered user of DBISAM and I need to develop ASP.NET(BDS2006) front end for our desktop app. There is no way to bring DBISAM to ASP.NET(I am not counting ODBC drivers because they are not stable on ASP.NET and producing errors) so one choice is to move to elevatedb because it will support ADO.NET. Question is when ADO.NET will be avaible? Regards, Tomas |
Wed, May 30 2007 9:36 AM | Permanent Link |
"Jose Eduardo Helminsky" | Tomas
See the thread "VCL.NET" posted in May 26 by Tim Eduardo |
Wed, May 30 2007 11:52 AM | Permanent Link |
Michael Baytalsky | Hi Tomas,
I don't mean to undermine your decision to switch to ElevateDB, cause it's probably your best choice in the long run, but for know (and for awhile) we've had ADO.Net provider for DBISAM 3&4. Look here: http://www.contextsoft.com/products/dbisamnet/ Downloads: http://www.contextsoft.com/products/dbisamnet/downloads.jsp So you can begin developing (learning) using ADO.Net now and then switch to elevatedb later. Sincerely, Michael tomas wrote: > Hi, > > I am registered user of DBISAM and I need to develop ASP.NET(BDS2006) front end for our desktop app. > There is no way to bring DBISAM to ASP.NET(I am not counting ODBC drivers because they are not stable on ASP.NET > and producing errors) so one choice is to move to elevatedb because it will support ADO.NET. Question is when ADO.NET will be avaible? > > Regards, > Tomas > |
Wed, May 30 2007 1:12 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Tomas,
<< I am registered user of DBISAM and I need to develop ASP.NET(BDS2006) front end for our desktop app. There is no way to bring DBISAM to ASP.NET(I am not counting ODBC drivers because they are not stable on ASP.NET and producing errors) so one choice is to move to elevatedb because it will support ADO.NET. Question is when ADO.NET will be avaible? >> What specifically are you having an issue with regarding the ODBC driver ? The DBISAM ODBC driver should work just fine with ASP.NET using the ODBC.NET data provider. Please see this thread for more information on the ADO.NET data provider for ElevateDB: http://www.elevatesoft.com/scripts/newsgrp.dll?action=openmsg&group=16&msg=1953&page=1 -- Tim Young Elevate Software www.elevatesoft.com |
Fri, Jun 1 2007 2:30 AM | Permanent Link |
tomas | "Tim Young [Elevate Software]" <timyoung@elevatesoft.com> wrote:
Tomas, << I am registered user of DBISAM and I need to develop ASP.NET(BDS2006) front end for our desktop app. There is no way to bring DBISAM to ASP.NET(I am not counting ODBC drivers because they are not stable on ASP.NET and producing errors) so one choice is to move to elevatedb because it will support ADO.NET. Question is when ADO.NET will be avaible? >> <<<What specifically are you having an issue with regarding the ODBC driver ? The DBISAM ODBC driver should work just fine with ASP.NET using the ODBC.NET data provider.>>> After executing several queries from ASP.NET we get error below(in event viewer) and ASP.NET app stop respoding. Event Type: Error Event Source: COM+ Event Category: Unknown Event ID: 4786 Date: 1/11/2007 Time: 2:19:31 PM User: N/A Computer: RM-005-18 Description: The system has called a custom component and that component has failed and generated an exception. This indicates a problem with the custom component. Notify the developer of this component that a failure has occurred and provide them with the information below. Component Prog ID: 0[ODBC][Env 7f423b8] Method Name: IDispenserDriver::DestroyResource Process Name: w3wp.exe Exception: C0000005 Address: 0x0D8D81E0 Call Stack: dbodbc! + 0x81e0 dbodbc! + 0x279a dbodbc! + 0x3073 dbodbc! + 0x148faf ODBC32SQLAllocConnectt + 0x988 ODBC32SQLDisconnectt + 0x426 ODBC32SQLConnectAA + 0x17be comsvcs!DispManGetContext + 0xd10 comsvcs!DispManGetContext + 0xff1 comsvcs!DispManGetContext + 0x210e ODBC32SQLConnectAA + 0x1fa0 ODBC32SQLConnectAA + 0x28d1 ODBC32SQLSetEnvAttrr + 0x230a + 0xd270296 + 0xe8f837b mscorwks!CorExitProcess + 0x1d070 mscorwks!CorExitProcess + 0x1d132 mscorwks!GetCompileInfo + 0x3346 mscorwks!ReleaseFusionInterfaces + 0x384c3 mscorwks!CorMarkThreadInThreadPool + 0x4d82 mscorwks!GetCompileInfo + 0x2824a mscorwks!Ordinal77 + 0x989e mscorwks!CoInitializeCor + 0x5c25 kernel32!GetModuleFileNameA + 0xeb |
Fri, Jun 1 2007 3:25 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Tomas,
<< After executing several queries from ASP.NET we get error below(in event viewer) and ASP.NET app stop respoding. >> And are you using the ODBC.NET data provider, or some other data provider ? -- Tim Young Elevate Software www.elevatesoft.com |
Sat, Jun 2 2007 9:01 AM | Permanent Link |
Chris Holland SEC Solutions Ltd. Team Elevate | I have seen this problem as well.
Rapidly connecting and disconnecting can cause strange errors. I thought it might be something to do with the garbage colection in .NET If you do something like this: for(int i = 0; i < 100; i++) { Connect(); .. do something here Disconnect(); } It quite often throws an error. However this: Connect(); for(int i = 0; i < 100; i++) { .. do something here } Disconnect(); Works fine. Chris Holland |
Mon, Jun 4 2007 3:13 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Chris,
<< I have seen this problem as well. Rapidly connecting and disconnecting can cause strange errors. I thought it might be something to do with the garbage colection in .NET >> Does this happen in a normal C# application ? If so, can you send me an example that reproduces it ? I know that you pasted a sample in the last message, but the ".. do something here" part could make a big difference in what happens. -- Tim Young Elevate Software www.elevatesoft.com |
Tue, Jun 5 2007 3:11 AM | Permanent Link |
Chris Holland SEC Solutions Ltd. Team Elevate | Hi Tim,
It is not easy to repoduce. It never happens in a consistent time or place. When I have had it happen the "..do something here" code was importing and converting large amounts of data, so it could have been something in there screwing the memory, but as soon as I took the connect and placed it outside the loop all worked fine. Chris Holland SEC Solutions Ltd. Tim Young [Elevate Software] wrote: > Chris, > > << I have seen this problem as well. > > Rapidly connecting and disconnecting can cause strange errors. I thought > it might be something to do with the garbage colection in .NET >> > > Does this happen in a normal C# application ? If so, can you send me an > example that reproduces it ? I know that you pasted a sample in the last > message, but the ".. do something here" part could make a big difference in > what happens. > |
Tue, Jun 5 2007 1:33 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Chris,
<< It is not easy to repoduce. It never happens in a consistent time or place. >> Wow, even with just straight C# code it does this ? -- Tim Young Elevate Software www.elevatesoft.com |
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