Error Provider To Pop Up Whenever A Textbox In My Groupbox Is Empty
Feb 11, 2009
When im using a loop in my program and i'm trying to use an Error Provider to pop up whenever a textbox in my groupbox is empty for some reason I cannot get it to work, can anyone tell me what i'm doing wrong?
For Each ctrl As Control In GroupBox1.Controls
If TypeOf ctrl Is TextBox Then
If CType(ctrl, TextBox).Text = "" Then
[CODE].............
I'm not receiving any type of error, it's just that when a textbox is blank the error provider is not doing anything.
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Feb 3, 2010
I used error provider tool to display the error when the textbox is empty. when the error message is displayed immediately it is inserting the record into the database.I want to clear the error and then insert. how to take the control to textbox?
[Code]...
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Mar 31, 2011
I used error provider tool to display the error when the textbox is empty. when the error message is displayed immediately it is inserting the record into the database.I want to clear the error and then insert. how to take the control to textbox?..Imports System.Data.OleDb
Public Class Form1
Dim myConnection As OleDbConnection
Dim myCommand As OleDbCommand
[code].....
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Aug 3, 2011
i have 2 computers - a Server and a Client pc which is running on local area network with MICROSOFT SQL SERVER 2008 R2 Developer kit at the main pc and Client computer will need to connect to SQL SERVER at main pc using connection string.Let me named server computer as 'MAGNA-PC' and the client pc as 'LAC-PC' and database name is 'db_referafriend' so the code for MAGNA-PC(server) connection string is:[code] i GOOGLE and YOUTUBE for almost 2 weeks before i post . I know that i need to configure the sql configuration manager and enable tcp/ip also add a new port at firewall to allow remote connection also add the sqlserver.exe and sqlbrowser in firewall and I have also chosen "Using both TCP/IP and named pipes" under Remote Connections in the SQL Server 2005 Surface Area Configuration. and all of this doesnt work!
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Jun 21, 2010
i have a form with 4 text boxes on them when the user selects add the information from the textboxes saves to my database im just wondering does anyone know how i would make an error message appear if one of the textboxes was blank and stop the new data being saved until all textboxes have data in them?i did write the following peice of code but it did not work Private Sub Button1_Click(ByVal sender As System.Object, ByVal e_
[Code]...
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May 26, 2011
I'm using visual basic to code a program to help with weights and center of balance on aircrafts, as I'm my unit's new air load planner. The math isn't hard to do, it's just that much of it is trial and error, and redoing all the arithmetic over and over again until the aircraft's C/B is in acceptable limits can eat some time up. So, since i'm trying to learn programming I thought this might be a good way to use it for a real-world scenario.
[Code]...
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Nov 26, 2009
I have a groupbox with a number of textboxes. I want to loop through all the textboxes, get their value( text) and add them all together and show it in a final totaltextbox outside the groupbox. This is what i have done but it does not work. The totaltextbox values do not change. Here is my code :
Private Sub AGroupBox_VisibleChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles AGroupBox.VisibleChanged
Dim xxx As Integer
Dim tota, ax As Integer
[code]....
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Feb 2, 2011
I'm able to place a collection of textboxs on a form at runtime (no surprise)[code]...
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Nov 29, 2009
When I run the code, type a value in quantity and hit the calculate button I get an error message stating, "Quantity must be a numeric value" and I don't see in the code what I have missed. I thought I set quantity as a numeric value by making it an integer and parsing it.
Private Sub calculateButton_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles calculateButton.Click
' Calculate subtotal
Dim subtotalDecimal, amountDueDecimal, shippingDecimal As Decimal
[code].....
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May 4, 2010
My program in VB.net has been using in 4 years already. I coded it in my computer and run in other computer. It's modified several times and it still woked fine. Today, I modified it again. It works well in my computer, but when I run it in other computers, I got an error:
" Failed to decrypt using provider 'RsaProtedtedConfigurationProvider'. Error messsage from the provider: Bad Data."
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Feb 11, 2011
I created a DataGridView called grid_LivingBenefits.Each time a cell is going to be edited, the program will validate that cell.Now, I have two subroutines that take care of that validation.these are: ValidateDataType() and ValidatePrimaryKey()
at the DataGridView CellBeginEdit, the program checks for which cell the user is editing.at the DatagridView CellEndEdit, the program calls the subroutines for validation. If an input is invalid, I want the program to show an errorProvider on that cell.I used MessageBoxes first to check whether the validations are working and I got no problem there. but when I tried to use errorprovider instead of a messagebox, there's a blue zigzag line under the grid_LivingBenefits.CurrentCell
[Code]...
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Sep 29, 2010
My app fails at this line of code:
Dim objConnection As New SqlConnection(Application("ConnString"))
My connection string is: [Code]. I googled this problem and the solution for it was having a malformed connection string where the "provider" was being specified when it shouldn't have. Example conn string: [Code]. I'm not specifying the Provider so I think I have a different problem.
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Oct 19, 2009
I've been struggling with something I imagined would be simple. My aim is to create a TextBox or Label with in a GroupBox using VB.net, yes I could use the Toolbox/Common Controls to do this easily, but it's a pain when planning on making more than just one or two of them
Here's my current coding to create the actual text box.
[Code]...
All that works perfectly, but how would I allow it to show up within a GroupBox?
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Jul 28, 2010
i have a sort of problem when i try to add some linklabels in my groupbox. I used this
Me.Controls.Add(Groupbox3)
Groupbox3.Controls.Add(FlowLayoutPanel)
I can only add 4 linklabels no matter how big is the groupbox, i tried autoscroll but nothing. How can i do to store minimum 20 linklabels in a groupbox? Here is the whole code i used:
Imports System.Net
Imports DevComponents.DotNetBar.Controls
Imports System.Windows.Forms[code]....
Is there any way, maybe with a specific reference to put a control that records what plays wmp activex and to save somewhere on your computer?
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Mar 3, 2009
First attempt at using the error provider, I've set this up for each of the five text boxes I have on my form, when I click the button it shows the error provider flashing between the various boxes if I leave them all empty. Ideally I'd like the form to show the symbol next to the box thats empty, click the button and remove it from those which are correct leaving only the incorrect text boxes with the symbols. Any thoughts? [Code]
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Jul 8, 2010
i have a picture box which in this case is my button , when i press my button(picbox) i want it to check if the error provider has got any errors and if it hasn't any errors i want it to start timer2. when i press it i get errors with the provider and after some seconds the timer2 starts.
[Code]...
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Oct 24, 2010
I'm trying to set up a database connection between an ASP page running VBScript, and I have found code to do this. However, the 'provider' attribute to the connection does not work. The code is below:
set conn=Server.CreateObject("ADODB.Connection")
<strong>conn.Provider</strong>="Microsoft.Jet.OLEDB.4.0"
conn.Open(Server.MapPath("mIndexDb.xls"))
set rs = Server.CreateObject("ADODB.recordset")
rs.Open "Select * From mIndexDbTable", conn
[Code]...
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Oct 15, 2010
I requested a Code Signing Certificate from my own domain Certification Authority on my Windows 2008 R2 domain controller.
When trying to publish my code to my webserver via Clickonce, it throws "an error occurred while signing: Invalid provider type specified"
In order to get the certificate I duplicated the Code Signing template on my CA, and tried both options available:
1) must use Microsoft Software Key Storage Provider
2) use any provider available locally
algorithm is RSA, key minim size 2048, Hash SHA1, alternative format unchecked
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Jul 7, 2010
i have a 3 radio buttons and a picture box.i have coded then picture box when a specific radio button is clicked it loads up a picture, and i want to make this picture change when you hover it but ONLY for that specific picture box. i have typed a code to make this work but it gives me errors.
If RadioButton1.Checked = True Then OnMouseEnter(picturebox1.Image = Windowsapp1.My.Resources.image1)
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Jun 19, 2009
I'm working on my first VB.NET 2.0 WinForm app. I'm trying to validate some input and I came across this fancy Error Provider control that seems great. However I have a problem with it. It seems that it only validates a field when it loses focus. I'm used to Web Form programming and using validation controls on it, but I don't see these in WinForms.
[Code]...
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Jan 27, 2012
I try to compile a project with msbuild.exe I have this error :
vbc : error BC30136: Error creating Win32 resources: Error reading icon '"Recycle Bin Empty.ico"' -- The filename, directory name, or volume label syntax is incorrect.
This icon is the Application icon which is in the same directory of the project.vbc is started with /win32icon:"Recycle Bin Empty.ico" parameter.Don't know why MSBuild can't reach the file.
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Nov 26, 2010
I'm Connecting VB.NET 2008 and MS ACCESS 2007 using this code.
LocalConn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|inDebugDatabaseDatabase.mdb;Persist Security Info=True")
LocalConn.Open()
But it always return an error of The 'Microsoft.Jet.OLEDB.4.0 provider is not registered on the local machine.Im using Windows 7 Home Premium 64 bit.
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Oct 1, 2010
I have a vb.net application running .Net 1.1. for users to login in the login page has to decrypt the user login information. However, when I try to nitializeSACryptoServiceProvider, i get CryptoAPI cryptographic service provider (CSP) for thisimplementation could not be acquired error.
Initializing Method
Public Sub AssignParameter()
Const PROVIDER_RSA_FULL As Integer = 1
[code]....
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Dec 17, 2009
I am trying to link to a database. I have checked on my machine and I do have Msjet40.dll on my system?
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Mar 30, 2011
i have an VB.Net 2003 Application Program that use MS Access, that works fine in Windows XP and Windows7. But when i create that same program to VB.Net 2005 Application Program that use MS Access.it works fine in Windows XP. but in Windows 7 it shows this error Quote:microsoft.jet.oledb.4.0 provider is not registered on local machine
[Code]...
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Feb 24, 2011
Hardware/Software: Win 7, 64bit, VS 2010 pro, Office 2010 / Access 2010
Operation: Trying to connect to Access 2010 database
Project Properties set to: Compile --> Target --> AnyCPU
I am getting the error "The 'Microsoft.ACE.OLEDB.12.0' Provider is not registered on the local machine." when I run this code: (Further explanation below) Google and DIC searches have not turned up a significant fix.The exception is thrown at the MyConn.Open() code.
Imports System.Data.OleDb
Module GlobalSubroutines
Public Sub FillLabArray()
[code]....
It should be noted that the BOTH code listings work correctly and error free on my business partners machine, also a Win 7, 64bit with the same current software installed.
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Jul 15, 2009
I am writing a User Control. Into each control I am loading a custom biz object. Because the biz object implements IDataErrorInfo interface I am able to use the ErrorProvider control on the user control.
I am binding the ErrorProvider to the biz object like this:
Me.ErrorProvider1.DataSource=MyBizObject This is all working perfectly EXCEPT. The validation is happening (and therefore I am displaying the blinkey error signs next to all feilds) as soon as the User control is loaded into the host form.
Each biz object implements a SAVE method and I want the validate to not happen until the save event is triggered on the biz object.
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Dec 18, 2011
how can i fix this error: 'Microsoft.Jet OLEDB.4.0' provider is not registered on the local machine. seems that only x64 bits has this problem?
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Feb 11, 2012
I have a old program that was written in a visual studio before 2010. When we run in Window 7 64 bit we receive the error: The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine.Is there any way to convert the files to 2010 or?
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Jun 12, 2009
We have developed one tool in VB6. It's working fine in few PC and some PC we are getting an error msg like "Run time error 3706 Provider cannot be found, it may not be properly installed"
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