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VB.NET Programming Corner!

ericgmejia said:
I made this thread for all programmers starting their adventure in VB.NET.

Please post relevant and sensible questions regarding VB.NET,
share your knowledge and expertise, share codes and techniques.

Post question on HOW TOs:
How to do this or that, ill supply bits of code to accomplish basic tasks.

Ill be posting series of samples leading to complete applications,
your suggestions are encouraged.
These samples will contain codes relevant to other tasks as well.

Platform = VS2003 to VS2012

i suggest learn and get the feel of VB.NET/VISUAL STUDIO IDE first before posting questions,
so that we can talk on the same page.


Topics:
VB.NET Winforms (not Web Applications)
ADO.NET as applied in VB.NET
Crystal Reports on VB.NET
SQLServer as used in VB.NET
MSAccess as used in VB.NET
Classes
UserControls

Technologies:
Serial - like using SMS, Barcode and other hardware
TCP/IP - chat applications, sockets, internet applications
MSMQ - message queuing
Remoting - executing assemblies in other computer
WebServices - using webservices in windows forms
Multithreading - executing more than 1 process at the same time


Suggested Third Party Tools:
DevXPress 2009 Free Edition
SQLServer 2005 Express Edition

Suggested references:
http://www.homeandlearn.co.uk/net/vbnet.html
http://www.java2s.com/Tutorial/VB/CatalogVB.htm

I currently use Visual Studio 2008 only, but basic codes will apply to all versions

Please do not ask for a complete system,
instead use the codes and assistance that you will find here
to build your own system.


***Thanks to moderators, STICKY na ang thread!

Lets share knowledge so that we can be a more flexible and well rounded programmer. Be it for school or work.

Links:

First Post: Populating DataGridView using MSAccess Database
Second Post : Basic VB.NET MSAccess Tutorial
SQLServer Sample
Click to expand...
ill join
 
accepting commission related sa vb.net. Pm lang po at pag usapan natin.
 
Good Morning mga peeps
Post automatically merged:

anyone using Ribbon Control?
 
Anu po best database for vb.net system? xampp, ms access, or mssql server? for company po yung system.
 
Hi guys. So I got an job order (remote) as a VB.net, c# and Java developer.

I have no background at VB.net and c#.

What should I study? Should I study java more since meron akong future don?

Suggest naman kayo ng interactive website for self study. Thank you!
 
Gud Day Tuts, Meron po ako problem about sa published installer ko na gawa sa vb2012. kapag ini-install na ay meron na siya error na "Unable to install or run the application. The application requires that assembly System.Buffers Version 4.0.3.0 be installed in the Global Assembly Cache (GAC) first." Ano po kaya ang solution dito?
P.S. Framework po ng program ko ay 4.8 na.
Post automatically merged:

Downcoader said:
Anu po best database for vb.net system? xampp, ms access, or mssql server? for company po yung system.
Click to expand...
Mysql work bench 8.0 ang gamit ko for local hosting. Pwede ka rin gumamit ng mysql from GoDaddy for online use. Dati Xampp gamit ko kaya lang eh lagi sya nagka-crashed. Ang ms access naman ay limited ang features at baka hindi kayanin ang volume of records kung gagamitin mo sa company nyo. which is which. depende rin yan sayo kung alin ang gamay mong gamitin.
 
Last edited:
Salamat po sa thread na to . .
Post automatically merged:

Good Evening po
mga Master
Patulong nmn po
anu po maganda Databse for online Database
ganit q po
Mysql Databse
visual Studio 2008

Salamat po in advance
 
LouisPOS said:
Salamat po sa thread na to . .
Post automatically merged:

Good Evening po
mga Master
Patulong nmn po
anu po maganda Databse for online Database
ganit q po
Mysql Databse
visual Studio 2008

Salamat po in advance
Click to expand...
Amazon Cloud Services.

Kuhanin mo yung Glacier Tier kung malaki ang database.
 
hello po, patulong naman po baka may alam kayo sa prob nito. salamat po sa makakatulong.


See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.

************** Exception Text **************
System.InvalidOperationException: An error occurred creating the form. See Exception.InnerException for details. The error is: Could not load file or assembly 'CrystalDecisions.CrystalReports.Engine, Version=10.5.3700.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified. ---> System.IO.FileNotFoundException: Could not load file or assembly 'CrystalDecisions.CrystalReports.Engine, Version=10.5.3700.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified.
File name: 'CrystalDecisions.CrystalReports.Engine, Version=10.5.3700.0, Culture=neutral, PublicKeyToken=692fbea5521e1304'
at SOTNSC.frmReport..ctor()

WRN: Assembly binding logging is turned OFF.
To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.
To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

--- End of inner exception stack trace ---
at SOTNSC.My.MyProject.MyForms.Create__Instance__[T](T Instance)
at SOTNSC.My.MyProject.MyForms.get_frmReport()
at SOTNSC.frmMain.ShowReport(String _report)
at SOTNSC.frmMain.CF8MedicalFormStudentOtherSchoolToolStripMenuItem_Click(Object sender, EventArgs e)
at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ToolStrip.WndProc(Message& m)
at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)


************** Loaded Assemblies **************
mscorlib
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9164 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/Microsoft.NET/Framework64/v2.0.50727/mscorlib.dll
----------------------------------------
SOTNSC
Assembly Version: 1.0.0.0
Win32 Version: 1.0.0.0
CodeBase: file:///C:/Users/Acer/Desktop/JSC2022/SOTNSC.exe
----------------------------------------
Microsoft.VisualBasic
Assembly Version: 8.0.0.0
Win32 Version: 8.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/Microsoft.VisualBasic/8.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualBasic.dll
----------------------------------------
System.Windows.Forms
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0__b77a5c561934e089/System.Windows.Forms.dll
----------------------------------------
System
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll
----------------------------------------
System.Drawing
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Drawing/2.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
----------------------------------------
Accessibility
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/Accessibility/2.0.0.0__b03f5f7f11d50a3a/Accessibility.dll
----------------------------------------
System.Runtime.Remoting
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Runtime.Remoting/2.0.0.0__b77a5c561934e089/System.Runtime.Remoting.dll
----------------------------------------
System.Configuration
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9153 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Configuration/2.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll
----------------------------------------
System.Xml
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Xml/2.0.0.0__b77a5c561934e089/System.Xml.dll
----------------------------------------
System.Data
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9156 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_64/System.Data/2.0.0.0__b77a5c561934e089/System.Data.dll
----------------------------------------

************** JIT Debugging **************
To enable just-in-time (JIT) debugging, the .config file for this
application or computer (machine.config) must have the
jitDebugging value set in the system.windows.forms section.
The application must also be compiled with debugging
enabled.

For example:

<configuration>
<system.windows.forms jitDebugging="true" />
</configuration>

When JIT debugging is enabled, any unhandled exception
will be sent to the JIT debugger registered on the computer
rather than be handled by this dialog box.
 
yxlegendaryxy said:
hello po, patulong naman po baka may alam kayo sa prob nito. salamat po sa makakatulong.


See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.

************** Exception Text **************
System.InvalidOperationException: An error occurred creating the form. See Exception.InnerException for details. The error is: Could not load file or assembly 'CrystalDecisions.CrystalReports.Engine, Version=10.5.3700.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified. ---> System.IO.FileNotFoundException: Could not load file or assembly 'CrystalDecisions.CrystalReports.Engine, Version=10.5.3700.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified.
File name: 'CrystalDecisions.CrystalReports.Engine, Version=10.5.3700.0, Culture=neutral, PublicKeyToken=692fbea5521e1304'
at SOTNSC.frmReport..ctor()

WRN: Assembly binding logging is turned OFF.
To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.
To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

--- End of inner exception stack trace ---
at SOTNSC.My.MyProject.MyForms.Create__Instance__[T](T Instance)
at SOTNSC.My.MyProject.MyForms.get_frmReport()
at SOTNSC.frmMain.ShowReport(String _report)
at SOTNSC.frmMain.CF8MedicalFormStudentOtherSchoolToolStripMenuItem_Click(Object sender, EventArgs e)
at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ToolStrip.WndProc(Message& m)
at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)


************** Loaded Assemblies **************
mscorlib
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9164 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/Microsoft.NET/Framework64/v2.0.50727/mscorlib.dll
----------------------------------------
SOTNSC
Assembly Version: 1.0.0.0
Win32 Version: 1.0.0.0
CodeBase: file:///C:/Users/Acer/Desktop/JSC2022/SOTNSC.exe
----------------------------------------
Microsoft.VisualBasic
Assembly Version: 8.0.0.0
Win32 Version: 8.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/Microsoft.VisualBasic/8.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualBasic.dll
----------------------------------------
System.Windows.Forms
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0__b77a5c561934e089/System.Windows.Forms.dll
----------------------------------------
System
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll
----------------------------------------
System.Drawing
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Drawing/2.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
----------------------------------------
Accessibility
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/Accessibility/2.0.0.0__b03f5f7f11d50a3a/Accessibility.dll
----------------------------------------
System.Runtime.Remoting
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Runtime.Remoting/2.0.0.0__b77a5c561934e089/System.Runtime.Remoting.dll
----------------------------------------
System.Configuration
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9153 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Configuration/2.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll
----------------------------------------
System.Xml
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9149 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Xml/2.0.0.0__b77a5c561934e089/System.Xml.dll
----------------------------------------
System.Data
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.9156 (WinRelRS6.050727-9100)
CodeBase: file:///C:/Windows/assembly/GAC_64/System.Data/2.0.0.0__b77a5c561934e089/System.Data.dll
----------------------------------------

************** JIT Debugging **************
To enable just-in-time (JIT) debugging, the .config file for this
application or computer (machine.config) must have the
jitDebugging value set in the system.windows.forms section.
The application must also be compiled with debugging
enabled.

For example:

<configuration>
<system.windows.forms jitDebugging="true" />
</configuration>

When JIT debugging is enabled, any unhandled exception
will be sent to the JIT debugger registered on the computer
rather than be handled by this dialog box.
Click to expand...


The error message states that the application is unable to load a file or assembly called 'CrystalDecisions.CrystalReports.Engine, Version=10.5.3700.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified. This could be caused by the file being missing or not being in the correct location, or by the version of the file not being compatible with the version of the application that is trying to use it. You may want to check the file's location or version and make sure that it matches what the application is expecting.
 
Monsters said:
Gud Day Tuts, Meron po ako problem about sa published installer ko na gawa sa vb2012. kapag ini-install na ay meron na siya error na "Unable to install or run the application. The application requires that assembly System.Buffers Version 4.0.3.0 be installed in the Global Assembly Cache (GAC) first." Ano po kaya ang solution dito?
P.S. Framework po ng program ko ay 4.8 na.
Post automatically merged:


Mysql work bench 8.0 ang gamit ko for local hosting. Pwede ka rin gumamit ng mysql from GoDaddy for online use. Dati Xampp gamit ko kaya lang eh lagi sya nagka-crashed. Ang ms access naman ay limited ang features at baka hindi kayanin ang volume of records kung gagamitin mo sa company nyo. which is which. depende rin yan sayo kung alin ang gamay mong gamitin.
Click to expand...
Currently po naka cpanel kami for our php website. pwede na po kaya yun pang database pag gawing ko pong online yung payroll system?
 
Hello mga lods... may installer po ba kayo sa Visual Studio 2019? ung hindi na-iexpire? or any version po nang Visual Studio.. TIA
 
chriszer109 said:
Hello mga lods... may installer po ba kayo sa Visual Studio 2019? ung hindi na-iexpire? or any version po nang Visual Studio.. TIA
Click to expand...
unfortunately bawal ata mag share ng outside link dito, pero try mo i search sa tpb (thepiratebay) yan meron ako na dl dun na enterprise version na hindi na dedetect or na eexpire.
 
Good Day Tut. Salamat at nakabalik na sa ulit ang Symbianize. Ask ko lang Tuts kung paano mag-export ng MySQL table to Excel without using Data Grid View and paano po ma-Backup & Restore ng MySQL Database. Salamat po ng marami.
 
andito pa kaya si TS?
mukhang hindi na active since na migrate tayo sa new site
 
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