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    Re: React Native Login connect with sql server ?

    Hi dday9 !
    1. You wrote: "The attachments aren't working for me, could you copy/paste the line that is giving you the null reference error ?" Did you install: npm install react-native-sqlite-storage...
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    Re: React Native Login connect with sql server ?

    Hi everyone!
    I'm self-taught React Native so I don't know much about this language. I haven't found a forum website about React Native yet, so I'm posting here, hoping you guys who know about this...
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    React Native Login connect with sql server ?

    I created a Login application that connects to the sql server using Visual Studio Code. The Login and SignUp application logs into the sql server to read the Table 'TABUSERNAME' and export it to the...
  4. Visual Studio Code fails to update strings when running virtual machine ?

    I have installed the Android Studio virtual machine and Visual Studio Code when running the virtual machine to export the string normally, but when I edit the string it does not update again, I have...
  5. Re: When I install Android Studio, I get the error: Intel HAXM installation failed

    I deleted and installed Windows 10, this error no longer appears, but when I enter the virtual machine it keeps running around, see the attached image file.

    189594
  6. Re: When I install Android Studio, I get the error: Intel HAXM installation failed

    I followed the instructions in the link but it didn't work

    error log file:
    To reinstall the current version: 7.6.5
    Output folder: C:\Program Files\Intel\HAXM
    Extract: checktool.exe... 100%...
  7. When I install Android Studio, I get the error: Intel HAXM installation failed

    When I install Android Studio, I get the error: Intel HAXM installation failed!
    For more details, please check the installation log: C:\Users\win10\AppData\Local\Temp\haxm_install-20231214_1304.log...
  8. Re: Visual Studio Code on win7 reports error: (node:6732) UnhandledPromiseRejectionWa

    I just started learning VS Code, I installed npm version: 6.14.4 and node version v13.14.0, how do I fix this error ?
  9. Visual Studio Code on win7 reports error: (node:6732) UnhandledPromiseRejectionWarnin

    Visual Studio Code on win7 reports error: (node:6732) UnhandledPromiseRejectionWarning ?
    Installing Visual Studio Code on win7 64bit when running the application gives the following error:
    Windows...
  10. Android Studio 2022.3.1 reports error The emulator process for AVD xxx has terminated

    I installed Android Studio 2022.3.1 on win10 pro, created a virtual machine successfully, but when running I got an error: Device Manager "The emulator process for AVD xxx has terminated", how to fix...
  11. 2.0 Re: How to catch the scroll bar event of listView1 ?

    Does this link end to drag the slider bar ?
  12. 2.0 How to catch the scroll bar event of listView1 ?

    C#.net, I went to listView1's event section and can't find the slider event pull up, pull down ?
  13. Error query sql server group and sum into one line ?

    you see my image and sql file why not sum and group into one line ?


    SELECT DISTINCT
    TOP (100) PERCENT dbo.TABHDBHCT.MACUAHANG, dbo.TABHDBHCT.MAHDBH, dbo.TABHDBH.MABAN,...
  14. 2.0 Re: why not remove the ghost image with this.listView1.Controls.Add(pictures) stateme

    Looks like the ListViewItem doesn't have a PictureBox control, so I use List to store multiple arrays of PictureBox with the following structure:



    List<PictureBox> lstCheckVip;...
  15. 2.0 Re: why not remove the ghost image with this.listView1.Controls.Add(pictures) stateme

    I don't know how to get the PictureBox from the Selecteditems collection, I found some code documents below, I tried the code below but it still doesn't work, so I need your professional help.


    ...
  16. 2.0 why not remove the ghost image with this.listView1.Controls.Add(pictures) statement ?

    in c#, when i add item to listView1 there will be two images via command:



    ...
    string imgName = ImageList1.Images.Keys[i].ToString();
    item.ImageIndex =...
  17. 2.0 gridView1_CustomDrawCell(...) can both color the cell and enter text into cell ?

    in the devexpress suite use gridView1 to color the cell and enter text into the cell? do you have a demo example to share with ?
  18. 2.0 Re: Cross-thread operation not valid: Control 'gridControl'accessed from a thread oth

    Thank you for answering my question
  19. 2.0 Re: Cross-thread operation not valid: Control 'gridControl'accessed from a thread oth

    I can this topic, you have added "BackgorundWorker" running in the background, so there are 2 ways: "Thread" and "BackgorundWorker". Writing style "BackgorundWorker" is simple and easy to use, but...
  20. 2.0 Re: Cross-thread operation not valid: Control 'gridControl'accessed from a thread oth

    using backgroundWorker when running the program no longer hangs, freezes,... but I want to insert each record into gridView1 when running, why doesn't it work ? I'm reviewing this place


    private...
  21. 2.0 Re: Cross-thread operation not valid: Control 'gridControl'accessed from a thread oth

    Both of the examples you sent I did not find an example of read, write, delete, update the table for access data, I searched on google without a demo, for example, ... so how to write "Thread" and...
  22. 2.0 Re: Cross-thread operation not valid: Control 'gridControl'accessed from a thread oth

    In your opinion, writing code in "BackgroundWorker" style and writing code in "Thread" style is simpler and easier to use? I tried writing code in "Thread" style when reading the table, opening the...
  23. 2.0 Re: Cross-thread operation not valid: Control 'gridControl'accessed from a thread oth

    Previously, I knew when writing computer programs that it would hang or freeze, operate unstable in parallel with data, use more Thread to solve the problem, now you tell me more about using...
  24. 2.0 Re: Cross-thread operation not valid: Control 'gridControl'accessed from a thread oth

    I understand your problem, but I don't know how to write syntax use Thread for Devexpress girdView1, I'm searching on google.com but haven't found the syntax when assigning gridControl1.DataSource =...
  25. 2.0 Re: Cross-thread operation not valid: Control 'gridControl'accessed from a thread oth

    Hello jmcilhinney ! If I write code that doesn't use threads, my program runs fine, but if the excel file has more than 1000 records when it is loaded on the computer, it freezes a little and then...
  26. 2.0 Cross-thread operation not valid: Control 'gridControl'accessed from a thread other ?

    Cross-thread operation not valid: Control 'gridControl' accessed from a thread other than the thread it was created on.



    string sPath = "";
    private void cmdImportExcel1_Click(object sender,...
  27. 2.0 Re: remove item gridView1 and gridView2 error Deleted row information cannot be acces

    Thank you for answering my question
  28. 2.0 remove item gridView1 and gridView2 error Deleted row information cannot be access ?

    Remove item gridView1 and gridView2 error Deleted row information cannot be accessed through the row ?

    I use nested while command, to run two gridView1 and gridView1 if gridView1 record is equal...
  29. 2.0 Determine Province - city - country through WAN IP address ?

    In C# there is a library of computer code in use that determines the Province - City - Country through the WAN IP address? I've seen some code on the net but it doesn't work
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    Re: sqlcmd command not found server ?

    What do you think I should do ?
  31. Replies
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    1,432

    Re: sqlcmd command not found server ?

    I execute the cmd window with administrator rights, it gives the above results, is this error due to win10 21H1 ?
  32. Replies
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    Re: sqlcmd command not found server ?

    I work as a LAN Lab and install sql server for several machines, right at the machine where sql server is installed I use the command: sqlcmd -L to check if the server is found but this command can't...
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    1,432

    Re: sqlcmd command not found server ?

    i have read your posts i have tried again and again the command D:\>sqlcmd -L this command does not find sql server in my LAN
  34. Replies
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    sqlcmd command not found server ?

    in LAN I have installed 2 to 3 sql severs but when using sqlcmd -L command I only see 1 server at the location using this command, why does sqlcmd -L command not see other sql sever servers in the...
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    Create windows 10 ghost file ?

    How to create a ghost file for windows 10 after installing the original from setup, running norton ghost version 11.5 it gives an error not to create a ghost file, from win7 version and below create...
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    Write interactive code "Print Spooler" in C# ?

    In windows 7, my computer often fails to print, I have to go to Control Panel->Administrative Tools->Services->Print spooler to switch from "Stop" to "Start" mode. In C# winform I want to write code...
  37. 4.0 Re: Is there a *.dll net 4.0 library that reads QR codes for webcams in C# ?

    If I can't find the 4.0 library that supports webcam, I'll take your way and take a QR photo
  38. 4.0 Re: Is there a *.dll net 4.0 library that reads QR codes for webcams in C# ?

    The libraries I found do not support webcam net 4.0, some of the links all you put up I tested do not support webcams, those links read image files that do not support webcam
  39. 4.0 Re: Is there a *.dll net 4.0 library that reads QR codes for webcams in C# ?

    I have not understood your question. I want to find a net 4.0 library that supports webcams to read QR codes, so that I can use it for computers with weak configurations. You want to ask me anything ?
  40. 4.0 Re: Is there a *.dll net 4.0 library that reads QR codes for webcams in C# ?

    I have few examples of this but those libraries must use net 4.5 or higher like:
    AForge.dll
    AForge.Video.DirectShow.dll
    AForge.Video.dll
    DarrenLee.Media.dll
    zxing.dll
    zxing.presentation.dll
    ...
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