VB.NET QUESTIONS

Is there anyone, who can help me about command line parametters in WinForms aplication?

hop of those help? It's actually quite simple to do.When your application loads, get a list of the command line variables, then iterate through them and look for the one you want, then act accordingly:

TAG : vb.net

Date : January 09 2021, 02:14 PM , By : v2khoi

display a warning message when an exception occurs

Any of those help I suggest modeling your code off this example, i modified the delete sub you provided to include a catch with a custom ErrorRoutine for unhandled cases, otherwise you can obtain the number of deleted rows from the executeNonQuery()

TAG : vb.net

Date : January 07 2021, 03:08 PM , By : anagornyi

PCOMM Cross-Contamination

Does that help It seems when using PCSWS.exe you can specify the short session ID using the /S option:C:\Pcomm\PCSWS.EXE /S=m C:\AppData\LAN1.WS

TAG : vb.net

Date : January 05 2021, 11:29 AM , By : LukasDM

Can't open project in Visual Basic 6

Hope this helps The "cannot load" errors are most likely due to DLL (or OCX files, a type of DLL) references which are missing or at least not registered on your development computer. VB6 is not a statically linked language, or even truly dynamically

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Tazz250

How to remove 0 from front of the numbers in vb.net

Hope this helps You can use String.TrimStart:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Peter O Connor

how to fix error Convert.toInt(txtnum.Text)

hop of those help? I tried to convert it integer Convert.toInt(txtnum.Text), but when i run the code it give me invalid formate input string.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Stephan Beyer

DataGridView stay empty even if SQL request is right

wish of those help So, I simply need to fill a DataGridView of a WinForm with the result of a SQL request that I tried in MySQL Workbench and works perfectly. , Instead of Filling a Dataset (prodset), make it a datatable

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : zenpai.aj

the program being followed works on different computers with different names

it fixes the issue good work I have a project that follows another application. I want to shut down the computer when the program closes. , Since they all have the same prefix, you can easily do this:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user6032029

VB.Net Check if URL have valid image

I think the issue was by ths following , Take a look at the ContentType property of the WebResponse object. If it contains one of (partial list): image/bmp image/gif image/vnd.microsoft.icon image/jpeg image/png image/svg+xml image/tiff

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Liam

Open window and move to next line of code don't wait to close the window

This might help you From the remarks in ShowDialog():

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : dan

How do I prevent my variables from losing their data each iteration(button click)?

This might help you The problem is that your RunningTotal is defined within your button_click function. Hence, any time the function is called (when the button is clicked), the variable is re-initialised. Define it outside the button_click sub in you

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : osw

VB.net datagridview color based on how many days from today

this will help to check 30 days later you use date.Now.addDays(30) to check 30 days before you use date.Now.addDays(-30) to color the cell forecolor you use something like this:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Paul Wilcox

How can I check if any of my boolean variable is false in VB.NET

this will help It's more for the code review section, but I give the answers anyway...For my aesthetics it is ugly to write If (a = True) Then or If (a = False) Then, I would rather use If (a) Then and If (Not a) Then.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : entrepreneurwiz

How to compare encrypted password in database with newly entered password during login?

wish helps you Here's what usually happens. When the user registers, you get them to provide a user name and a password, as well as confirming the password. The idea of the confirmation is that the password is usually masked and you want to ensure th

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Mohsen Jelodari

Executable creation. Which path compatible Win10, Win7 and XP?

help you fix your problem Use the Environment.GetFolderPath method to find the actual path (which may not be in the C: drive).Note that you will need admin privileges to write to it.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Tato Castro

I want the user to put the data in text box in the specified manner in Vb.net

I wish this helpful for you Using a MaskedTextBox, you can provide a Mask that allows only specific sets of characters in defined positions. Since your Input is: 2 Letters + 2 Numbers + 2 Letters + 4 Numbers, this can be expressed, using the mask ele

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Harry Marcus

trying to pass this graphic subroutine, but having issues

Hope that helps currently have items that have been populated from a listview that print, and i have done this without subroutines, but i want to organize the code and put each part in its own subroutine. , Your subroutine could look like this,

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : From Age

null exception on a for each control var

This might help you Typically if you tried to remove an item from a collection while enumerating said collection, a collection modified exception would be thrown. However, the TreeNodeCollection class and the enumerator it uses does not implement suc

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Max Dahlquist

How to use a string variable in a directory path

this one helps. You should use Path.Combine() when dealing with string paths, You can do this as follows:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Fengmei Liu

How can 2 Character instead of 1 in My Textbox?

I hope this helps you . Well, the simple solution would just be to repeat Chr(64 + x) twice i.e.:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : d knorr

How to get the os name of selected computer in vb.net?

Does that help You could use WMI. Here's an example.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3863473

How to test to see if a computer has Excel installed (any version)?

hop of those help? http://www.xldennis.com/dloads/checkexcelversion.txtAs an excerpt:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Oğuz Sandıkçı

Determine location to install software with ClickOnce deployment

it helps some times ClickOnce installs applications to an obfuscated location in the user's profile (C:\Users\[username]\AppData\Local\Apps\2.0\... on my computer); it can't be changed. Installing to the profile allows users with very little privileg

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : DooJ

How to read excel file in vb.net 2003

I wish did fix the issue. The quickest and easiest way to read an Excel file in vb.net is to use the Jet database driver.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : daveyba

Object Naming without Hungarian?

this one helps. I would use customerRecordSet or just customers.Do you really need to remind yourself that it's an object? Everything is an object, for the most part.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Diane Roberts

How to use ToolStripMenuItems without mouse events ( click or double Click event )?

around this issue This is very basic stuff so if this is not what you need just disregard this answer but it appears to me that this is what you are asking about.Anyway, ToolStripMenuItems are easily accessible using the keyboard...

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3861833

Call a DOS command and redirect the output to a file

I hope this helps you . In DOS, > or 1> is stdout, and 2> is stderr. So, you could saymyprog.exe 1> out.txt 2> err.txt

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3861476

Unknown Publisher when I install application I wrote?

wish of those help On the Project Properties window, go to the Signing tab. Create/Import certificates and sign the manifests and/or assembly.You can find more information here, with helpful links at the "See Also" section.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3861175

Tips for transitioning from Visual Basic to Xcode

hope this fix your issue Here are some helpful starter references from the Apple site, first for Objective-C itself, then for the Cocoa frameworks.Learning Objective-C: A Primer

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3860938

Tools to convert option strict off code into option strict on?

it helps some times Just adding CInt or CStr, or convert.tostring for that matter doesnt gain you anything. you need to look at the design on an individual case by case basis and figure out why they datatypes are mismatched from the ground up.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Abdur

DATE concept in VB.NET

Hope this helps i have created VB.net project.In that i have two textbox,and two buttons , Like so:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : sudharshan

Convert From Custom List to List of String

wish helps you There's no default string representation of "the underlying data" in an object. It all depends on what you want to see. Say, for example, you have a Person class, and it has properties FirstName and LastName. You have an instance where

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : CBentley

How to make all possible sum combinations from array elements in VB

help you fix your problem This is a function I wrote some time ago to generate all possible subsets of a given array. It's generic, so it supports integers, doubles, strings, etc. Original C

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3858421

How to draw XNA window inside a panel?

wish help you to fix your issue IMO, you should keep it separate. It is so much easier because you don't have to worry about managing the graphics device. However if you must know, you can find the winforms series on the xna creator's club site. it s

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : michelle

change the master page body color from different pages when they load in vb.net

I wish did fix the issue. Keep in mind that content holders can go anywhere in the page. It's possible to do something like this:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3856817

Cannot iterate of a collection of Anonymous Types created from a LINQ Query in VB.NET

To fix the issue you can do You need to add Option Infer On before the Imports statements. You may also need Option Strict Off depending on if you use it or not. This allows VB.NET to infer the anonymous type.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3856033

" addressof " VB6 to VB.NET

I hope this helps . I´m having some problem to convert my VB6 project to VB.NET , You are probably seeing this error:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Prashanthi Banooru

How can I accelerate the generation of the an MD5 Checksum within vb.net?

fixed the issue. Will look into that further I see one potential way to speed up this process: calculate the MD5 of the source file while performing the copy, not prior to it. This will reduce the number of times you'll need to read the entire file f

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3855738

replace " in vb.net

should help you out You need to use a double quote within those quotes (and get the return value - String.Replace does not operate on the string itself, it returns a new string):

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : the_c0der

Understanding RTF and edit it with vb.net

To fix the issue you can do It just doesn't work this way, it is not an HTML editor. Hacking RTF directly is technically possible through the Rtf property but very hard to get right. RTF is not exactly a friendly format. Start reading here, try not t

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3855326

Screen Scraping - still not working

it fixes the issue My best suggestion would be to use Selenium for screen scraping. It is normally used for automated website testing but would fit your case well. I've used to screen scrape AJAX pages on multiple occasions where the page was heavily

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Naveen Sakthi

Obtaining reference to Class instance by string name - VB.NET

like below fixes the issue I don´t know if I´ve understood you well, but my answer is yes, you can do it by reflection. You´ll need to import System.Reflection namespace.Here is an example:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : TSH

Get all folder / directories list in VB.net

Does that help Access to some folders is not allowed. You can use a Try-Catch block around the Directory.GetDirectories(StartPath), or you can check the properties of the folder beforehand.

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : Brian Gunter

How do I send keystrokes to a serial port in vb.net?

will help you If this is interactive, the event that passes KeyChar will already pass a Char type that will be the CONTROL-X.If your trying to generate the value, then Control-X is really just what letter is X in the alphabet. Its the 24th letter, an

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user3854155

vb.net vs. framework

like below fixes the issue Those functions exist to mirror the built-ins in VB6, to make porting code easier.The functions in the Microsoft.VisualBasic namespace are often then wrappers around the .Net functions, with some additional checks before ca

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : marielito

How do you determine if there is an error when using the VB.Net Shell Command?

it should still fix some issue I'm using a VB.net process to shell another exe process (which will wait until completion before processing is continued in the main app); however, I need to know if there is an error in the shelled exe process before c

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : larry mahan

Operand type clash: nvarchar is incompatible with image

around this issue If you pass in DBNull.Value as the value, ADO.NET can't figure out what type the parameter should be. If you specify a string, or an integer value, the type of the SQL parameter can be derived from the value provided - but what type

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : prishh

Replace line feed (LF) characters in a String using VB.NET

it should still fix some issue VB.NET doesn't use the C style escapes for CR or LF. In VB, your second example translates to:

TAG : vb.net

Date : January 02 2021, 06:48 AM , By : user142356

How to make ComboBox boarder to be Fixed 3D

will be helpful for those in need I find a custom control at Nuget "Syncfusion ComboBoxAdv" (It is a part of he Syncfusion Essential Tools for Windows Forms Link) that allow me to change boarder type and many much other properties.It have multiple ty

TAG : vb.net

Date : January 02 2021, 06:31 AM , By : Bill

Warning BC42025 when trying to applying VisualStyler.ApplyExcludeTag() method to Tab Control

With these it helps The warning occurs just to inform you that the ApplyExcludeTag() method is shared and thus doesn't need an instance of its containing class in order to be called.Just call it on the class directly:

TAG : vb.net

Date : January 01 2021, 05:13 PM , By : user3092849

deserialization of nested JSON from Cratejoy

Hope this helps I'm trying to deserialize below JSON from Cratejoy and get a list of shipment_id's into DataGridView, but it doesn't seem to do it for me. , You can do it like this also:

TAG : vb.net

Date : January 01 2021, 05:04 PM , By : user3092721

Need to close program to see datagrid changes after making a search query and update the results

To fix this issue As far as the Search code goes, you cannot find out if a String is "Like" as Date.Using...End Using blocks ensure that your database objects are closed and disposed even if there is an error. Keep you database objects local and open

TAG : vb.net

Date : January 01 2021, 05:01 PM , By : user3092208

How to stop flickering when redrawing ellipses in windows forms

I wish this helpful for you As stated out in the comments, you should always use the Graphics object from the Paint-event. To invoke a redraw, call Invalidate() on your control. Do not use Refresh() (not that bad) or Application.DoEvents() (very bad)

TAG : vb.net

Date : January 01 2021, 02:10 PM , By : gr4

DataTable is empty in release mode, but not in debug mode although I initialized it

wish helps you I opened the Compiler Settings in Visual Studio and selected Release in Configuration. Then I clicked on Advanced Compiler Settings. There I unchecked the Optimize Code Button. This way the code runs as in the debug mode.

TAG : vb.net

Date : January 01 2021, 06:35 AM , By : user3090863

How to use SQL IN statement with list of Items selected from treeviewlist?

With these it helps You need to build your string inside the loop, and then do the MsgBox outside the loop. Something like this should work:

TAG : vb.net

Date : January 01 2021, 06:31 AM , By : Tuitzanu

Why is my loop through a form control array stopping one short?

Hope that helps You should copy the Controls collection into an array before disposing of the WebBrower controls

TAG : vb.net

Date : December 28 2020, 02:06 PM , By : user3087871

How to Pass Different EventArgs to another sub

may help you . RoutedEventArgs is a square peg, TappedRoutedEventArgs is a round hole... you're trying to put a square peg in a round hole... and you don't need to.Unless there's a need for the event args, and I don't see the event args being used, y

TAG : vb.net

Date : December 28 2020, 01:32 PM , By : user3087563

Is there any way to switch off Auto Register Feature so that it ignores any dll files in the same folder?

help you fix your problem Before creating the first NLog Logger (GetLogger / GetCurrentClassLogger) or assigning LogManager.Configuration, then you can do this:

TAG : vb.net

Date : December 28 2020, 05:45 AM , By : user3087177

Errors from different form goes to catch on other form

hop of those help? Do the database code first and then do the other code. Keep them separate. Otherwise, when you do f.ShowDialog(), it is still inside the Try...Catch.Something like this:

TAG : vb.net

Date : December 27 2020, 04:53 PM , By : user3086489

How to compare only month and year? [VB]

this one helps. Its quite simple, i just want to compare two dates using month and year, if the input date (mont and year only) are above or below that current date (month and year). , Thank you everyone, but the final solutions is made with

TAG : vb.net

Date : December 27 2020, 03:51 PM , By : user3084021