|
Can i create a table with more than 7 collumns???
I've just tried to create a table with 6 collumns and i succseeded, and when added one more collumn it refused to create a table
m_rs->Open(_T("DROP TABLE Points"),CADORecordset::openQuery);
CString SQLQuery = "CREATE TABLE Points (X float,Y float,Color int, PointID int, LayerID int,INTS int, ID1 int,Text int)";
if(m_rs->Open(SQLQuery,CADORecordset::openQuery))
MessageBox(NULL,_T("OK"),_T("OK"),MB_OK);
else
MessageBox(NULL,SQLQuery,SQLQuery,MB_OK);
What is the problem???
|
|
|
|
|
Text is a reserved word. Use another column name.
Regards,
João Paulo Figueira
Embedded MVP
|
|
|
|
|
I have the windows CE application programming book and it covers things in EVC++ 3.0. I am useing code that he gives in his examples and he uses "cout<<_T" . Whenever I try to compile it doesn't like the cout command. Is there something that I need to import or include to use the cout command? Here is what I have for an example.
void Listing4_1()<br />
{<br />
CEGUID pceguid;<br />
<br />
if(!CeMountDBVol(&pceguid, _T("\\MyVolume.CDB"), CREATE_NEW))<br />
cout << _T("Could not create database volume") << endl;<br />
else<br />
cout << _T("Database volume created") << endl;<br />
if(CeUnmountDBVol(&pceguid))<br />
cout << endl << _T("Database volume unmounted") << endl;<br />
else<br />
cout << endl << _T("Database volume could not be unmounted") << endl;<br />
}
why doesn't it like it?Any Ideas?
Thanks guys,
Rod
|
|
|
|
|
Whell i think that case is: macros "_T" is defined for unicode usage and as i understand u use just ASCII version for this situation there is "L" - macros. In ms vc existed some macroces with u can define and all will do automaticly but i do not remember them. So i think that solution is include tchar.h file. Try can will work.
|
|
|
|
|
Hi all,
I have an issue related to pocket pc.
I would like to find out how I can delete the most recently opened files or programs in the pocket pc..
I mean I have an uninstallation where I want to remove the icon in the most recently used program group
thanking you
|
|
|
|
|
Maybe they are located in the registry?! Just delete it there!
Regards,
Daniel.
--
FIND A JOB YOU LOVE, AND YOU'LL NEVER HAVE TO WORK A DAY OF YOUR LIFE.
|
|
|
|
|
thanks for the reply,
Yeah I tried that ,I could not find the exact location.
I tried all the things ,but could not find a break through.
would be helpful if you have any suggestions.
thanking you
yours
venkatesh v
|
|
|
|
|
I have to export some data to MS Word in PPC2003 using Automation.
But I don't know that it is possible in WinCE.
Is it possible??
I hope many excellent answers..
Have a nice day..
|
|
|
|
|
|
Has anyone attempted to write applications for the casio ce devices? I was able to get ahold of the sdk, but its about the worse one I have ever seen. It has horrible documentation and all I want to do is receive a decoded string from the 2d scanner, lol. I was just wondering if anyone knew of some sites that may be of help.
Thanks
Ryan
|
|
|
|
|
Hi All,
I have a problem in my embedded VC++ which is as follows:
There is a Read Thread created during WM_CREATE event, which is supposed to read data from the COM1 port as and when it receives data.I have created the thread in such a way that it is active right from the point of creation - hReadThread = CreateThread (NULL, 0, PortRead, 0, 0, &dwThreadId);
The problem is I dont know why the data is not read from COM1 though the read thread is active right from start.
It would be very helpful if you could kindly help em out.
Thanx
Deepa.
|
|
|
|
|
Show us how do you read the data from the COM1 port in your thread!
Regards,
Daniel.
--
FIND A JOB YOU LOVE, AND YOU'LL NEVER HAVE TO WORK A DAY OF YOUR LIFE.
|
|
|
|
|
Hi,
This i how I read the data:
SetCommMask (hSerial1, EV_RXCHAR | EV_TXEMPTY |EV_CTS | EV_DSR | EV_RLSD | EV_RING);
WaitCommEvent (hSerial1, &dwCommModemStatus, 0);
SetCommMask (hSerial1, EV_RXCHAR | EV_TXEMPTY |EV_CTS | EV_DSR | EV_RLSD | EV_RING);
if (dwCommModemStatus & (EV_RXCHAR | EV_RLSD | EV_TXEMPTY |EV_CTS | EV_DSR | EV_RING) )
{
do
{
flag = ReadFile(hSerial1,&response, 1, &dwBytesTransferred, NULL);
if (flag)
{
//Process Data
}
} while(dwBytesTransferred == 1);
}
Thanx
Deepa
|
|
|
|
|
Are you shure that the thread started correctly? Just show a message box when the thread is started.
Just try to read some data from the COM outside of the thread, to see if the serial communication work!
PS: I use the Serial library for C++ library (with some little changes that it will compile under eVC++) for my serial communication!
Regards,
Daniel.
--
FIND A JOB YOU LOVE, AND YOU'LL NEVER HAVE TO WORK A DAY OF YOUR LIFE.
|
|
|
|
|
Hi all,
Thanx a lot for the replies.The Read Thread works fine now.Apparently there was a problem with the firmware.
Thanx again
|
|
|
|
|
Hi All,
I am new to the EVC world and have writen som e simple projects that work fine, but now I would like to get them to manipulate databases and have searched through the past listings and can't find what I need.
First how do I get a program to OPEN and access the data base, what do I need to #include for the operations.
I would love a simple sample of code that uses a datadase to get started.
Second once I access the file how do I change things inside it. How do I save things to the file? Can I use the Database functions for CE, Like "CECreateDatabaseEX" or is this not going to be recognized by EVC++ 3.0.
Thanks for all the help
Rod
|
|
|
|
|
I assume you want to use the CE DB provider, is this correct?
Regards,
João Paulo Figueira
|
|
|
|
|
I was thinking of using an access database. But as I said, I am new to this and am open to suggestions. I just want something that is easy to manipulate with the EVC 3.0
|
|
|
|
|
Does anyone know how to add an image to the ColumnHeader control in the .Net Compact Framework?
The Microsoft Windows CE .NET 4.2 documentation has an article "Working with Advanced Header Control Features" which describes how you can do this non .Net code, so it should be possible in .Net too; has any one got this working, or do I need to write my own code?
Thanks.
|
|
|
|
|
Hi,
if i just buy a VC++.Net but not the whole Visual Studio.Net
package, can I still use it to develop software for Pocket PC 2003/Smartphone by using the compact framework extension ?
and can I develop software on PocketPC/Smartphone by using
C# ?
Thanks
|
|
|
|
|
I get an error when running a application in the Pocket PC emulator.
Both CoInitialize(NULL) and CoInitialize(NULL,COINIT_MULTITHREADED) are failing!
I don´t now what to do!
I´m trying to run the windows media player sample application in the pocket pc emulator, when I run it with the standard wince sdk emulator it works, but running it in the pocket pc emulator fails.
Please, help me, regards dani
|
|
|
|
|
I'd like to have Russian labels and strings in menu ( in other word - full russian version in my programm, but in pocket it looks bad. Looks like it can't find properly the charset.
|
|
|
|
|
Try downloading a font with Russian characters to the \Windows\Fonts folder and use it. It can be one that you have on your desktop.
Regards,
João Paulo Figueira
|
|
|
|
|
I tried to copy all the fonts that i have on my PC to Pocket, and still had nothing .
I think you didn't undesrtand what i meant - this cause of my bad english.
If i want to display some string with russian charset i do it successfully with:
pDC->ExtTextOut();
But in menus and buttons - i have "pseudographics". I don't know how to exlain . I think i need something like ceappwzru.dll??? Because i noticed, when i make a new project - i can chose wich language do i want to have my resouces...(english , french...) Ind there is no russian .
Thanks for participating.
|
|
|
|
|
I know how to read it from "COMM1:", and i'll have to work with exactly CompactFlash. What is the difference between them???
|
|
|
|