knifeman

Yen: Your example is funny, although a little

Happy new year everybody! Because of the Taiwan earthquake my best wish is late for 8 days. Wish you all healthy and happy every day in 2007. My project is getting more and more close to the end. I have finished the SQL part and now I want to grant the remote PCs to access to local database. In LabVIEW, the DataBase

yen: I have read your code and thank you for you give me another method to create the SQL commands, thank you! My problem focused on one point that how the program meet users

Merry charismas every friends! The question I post some days ago have been solved, and I am too busy to browse the Internet so make you spend your time and interesting on my topic, thank you. Thank you very much! Your hot passion make the winner become warm and hopeful! The point to solve the problem is to initial the loop structure. With the method the program could tell apart which is the content this loop and which is the last loop, otherwise it read every strings and do not analysis what is the useful part, and this is my question

Hi, I am coming back! Haaaaa, I meet a new problem that is SQL operation. I have written some independence programs which fit to my destinations, and now I want to use two input parameters

I suggested that you have writen the wrong command form. for example, insert into `<Table name>` values (<data>),take notes that :1 string data must use " ' " to concluded,for example : 'string' 2 Table name must use " ` " to conclude ,the example is `sample`.

Hi,PJM. Thank you for your help. And what step you will take on when your C program must be rebuilded to creat a new lsb file?

My OS is LabVIEW 8.0. I want to analysis the harmonic containing in a waveform which I get from the signal source through the DAQ card. It is all OK until the next step FFT! Signal source create a 50Hz, the amplitude is 1 square waveform and LabVIEW has received it successfully went with a error. The FFT result should be amplitude=1,dB=0 at the 50Hz point. The fact is amplitude=0.9040,dB=-0.8764 (I create a program to write the result in .mat format file and use Matlab to check it), and the front panel is given bellow. And the 061126_*.mat is the exactly data and

Hi, everybody. I have founded the right way to build the .lsb file finally today morning, but there are still some problems exist. The first one is that I cannot reload the lsb file directly, LabVIEW noticed me the warning massage every time when I compiled the new files, the massage is mainly about say:

Bingo! I have compiled the DLL sucessfully,but still can not creat the .lsb file. And I want to ask the question what is the command line? Where is the command nmake/f ***.lvm writed to? Here I want to say the NI manual has a error or mistake that :<your path to cintools>\lvsbutil

Thank you everyone. chrisdavis and PJM, I am agreed with you so much,but I have no choice to select which card,and I can not change a new card for using now.So I have to deal with any problem of it. But still thank you for your help,thank you. crelf and Bryan,your advises are so excelent! I will try it, maybe the problem is solved tomorrow morning. And now, I use Call Library Function Node to build a DLL file completely and successfully,but LabVIEW noticed me when the VI is running. Some days before,I have read an artical which said the reason maybe is an interrupt is contained in DLL. I an not familiar with it,do you know about it? Could you tell me the more detailed information? Thank you!

Thanks for chrisdavis' help and suggestion. NI DAQ card is much expensive than Advantech product, and I selected the Advantech PCI 1711,using the Windows 2000 and LabVIEW 8.0 platform, and I want to use VC++6.0 to write a program to drive my DAQ card. As you known, DAQmx only support NI cards, so I must write the drive program although Advantech has given the demos for common function such as AI,AO,DI,DO etc. But they have their disadvantages,especially they can not support more complex function.For example,use Timer to creat more precise signal. So I want to use C language to build my program to accomplish my purpose. OK,I will connect NI for more information. Thank you again,chrisdavis,thank you!

Hi,everybody. I am glad to come here to share my experiences in LabVIEW with you and also look for your advance and help to solve problem which I could not deal with it. Now I want to use CIN node to accomplish DAQ card

In LV8.0's example,there is a dome use the harmonic analysis.vi to analysis the harmonic distortion condition of a mix signal which components contains fundation frequency and 2rd,3rd harmonic. But I use the signal source to generate a 50Hz sine signal to input and use the same harmonic analysis.vi to get the harmonic information,and the error born! The frequency's range is form 0 to 0.6,and I do not know why. :headbang: Help and thank u very much!