Error Handling In Search Button

Aug 26, 2011

I am creating function for search data using textbox and button. i want to put an error handling in my code which if the data was not found then it will appear in message box "Data is not found. For your info i am using visual studio and sql 2005. Here is my code and i also attach my picture

Private Sub Search_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnsearch.Click
Me.StaffBindingSource.Filter = "NAME = '" & Me.txtsearch.Text & "'"


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Sql - Search Button Error?

Apr 12, 2012

I have a search button to search the database by a name entered in a text box, this is working fine within visual studio but when trying to use this in the hosted version i get the following message: Server Error in '/' Application.A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)

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Unable To Write In A TextBox And Hit A Search Button To Search The Batch_Number Column And Filter?

Dec 15, 2009

I have a datagridview with 2 columns, 1 is Batch_Number and another is Existing_Stock, there is about 6000 rows.My question is, I want to be able to write in a TextBox and hit a Search Button to search the Batch_Number column and filter out or highlight the row with the matching number to see the Existing_Stock

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SQL CODE - Search Button To Search In Table Names Or Phone Numbers

Nov 22, 2009

I'm using SQL as a database in VB 2010, I already add a table to my form as a datagrid view but I don't know how to add buttons for filtering, deleting and adding things in my table, for example I want to have one button on my form call it search button to search in table names or Phone Numbers. how can I do that and where shall I write the code?

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Build A Search The User Selects The Column Title And In Puts The Criteria Then Clicks The Search Button?

May 26, 2009

I'm in a bit of a quandry. I am trying to build a simple search form where the user selects the column title and in puts the criteria then clicks the search button. This is the code I am using

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
details = ComboBox2.Text
'column name selected by user
specifics = TextBox1.Text
'criteria input by user


View 9 Replies - Error Handling Using Events, Checking If An Error Happened And React Accordingly?

Sep 8, 2009

I have an object, say Order where if an error occurs, it raises the ErrorOccurred event. If I'm running some code in say, the codebehind for a .aspx page with an public Order registered as WithEvents and I want to check to see if an error has occurred before I run more code, how do I do this? I can't simply check theOrder.ErrorOccurred. Do I have to create a local boolean flag that switches over in the event handler (OnErrorOccurred)?


Public WithEvents theOrder As New Order
Public Sub DoStuff()
If theOrder.ErrorOccurred Then


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Make A Search Button To Search Through All The Tables In The Database?

Dec 28, 2009

I have a MS access database connected to a VB2008 developed software.
I want to make a search button to search through all the tables in the database.
how can I do this?

I want to link a field in table one to a field in table 2 in the database so that they are the same ( whenever I change what is in table 1 table 2 changes to the same automaticaly )

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Make A Search Button With It To Search For Student Id?

Jun 21, 2010

i have 1button,1textbox,1datagridview.i want to make a search button with it to search for student id..i use ms access..example i type 12-200705-0005 on the textbox,then i click search button,then the data with student id will show at datagridview..

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InputBox And MsgBox Button Handling?

Dec 29, 2005

From my input box, if cancel is clicked, I want to exit the sub. Here is my input box, but how do I create an if..then to find out if Cancel was clicked and then stop running the macro?

myLPS = InputBox(msg, title, vbOKCancel)

Second thing, I have a message box that asks if the user wants to continue with Yes & No buttons. But, if I click No, it just keeps executing. I want it to execute from the end of an if..then if No is clicked. Here is the function called and my if..then:

If CheckOK(MLSName) = vbNo Then GoTo ClickNo ' this is at the end of this big if statement - ClickNo:
Public Function CheckOK(MLS As String) As VbMsgBoxResultDim message As StringDim title As Stringmessage = "Create Task for: " & MLS & "?"title = "Continue..."Result = MsgBox(message, vbYesNo, tite)End Function

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Handling More Than One Radio Button With Same Event Handler

Feb 15, 2010

Reading about VB .NET I found out that now it is possible to handle more than one control with the same event handler. What I want is to specify what my Radio buttons will have to do, using a single sub instead of using a sub for each of them. However I am still far from achieving that. I am using something like that:

Private Sub ForAllRadioButtons_CheckedChanged_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton1.CheckedChanged, RadioButton2.CheckedChanged, RadioButton3.CheckedChanged
If = RadioButton1 Then
Code 1 ...
ElseIf = RadioButton2 Then
Code 2 ...
ElseIf = RadioButton3 Then
Code 3 ...
End If
End Sub

However, I get an error message which says :
Operator '=' is not defined for types 'Object' and 'System.Windows.Forms.RadioButton'.
I bet 100 $ that it's something that I don't do it right . Unfortunately I can't get that money. Would it be the same if use the Click event instead of the CheckedChanged ?

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VS 2008 Handling Xna Gamepad Button Press?

Oct 4, 2009

I have an xbox 360 guitar hero x-plorer controller and I was wondering if anyone here knows how to handle the event of a gamepad button press in the xna framework.

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Error Handling Should Be Used In .NET

Jun 15, 2010

What error handling should be used in VB.NET? Should one use the "On Error Goto ErrorHandler Exit Sub ErrHandler ... End Sub" pattern or should you use the "try {... } catch {...} finally {... }" pattern?

View 4 Replies - Handling Button Click Event On Master Page?

May 24, 2012

I have a search field and button on my master page. When a user types in a search term, and hits submit, I would like the search results to display in a content page.

What would be the best, most logical way of handling this?

I thought of using FindControl on my content page to find the button, and then somehow figure out if it had been clicked or not...but my logic quickly spiraled downhill.

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.net - Handling Error Strings?

Aug 14, 2009

In my application if I have a known set of Error Strings i.e.

Failed because I don't know about it
Failed because I know about it but I can't find it
Failed for another reason


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Error Handling With Messagebox

May 21, 2011

I am just doing a bit of error handling. I am just check to make sure that a user has selected an option within a combo box (named cbtitle1) and if option has not been selected throw an error message to tell the user.this if statement is within a save button which once a user click save this error checking runs first then if combo box has an option selected the save goes ahead else it throws an error.I can stop the save function OK but I wanted to put a error icon in with the message box but I get an error when I add it.[code]

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Error Handling. When And When Not It's Needed?

Dec 21, 2009

Obviously error handling is a major factor in making a good application. If a error happens letting a user know what has gone wrong.But some times error handling may(i think) not be needed. Example.

Private Sub RemoveCheckedl()
For Each Item As ListViewItem In lst.CheckedItems[code]....

also when error handling it's could to think about what type of errors could be made.

Catch ex As Exception
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)

even though this catches the error and displays a msg, it may not be a great message for the user so he/she can understand.

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Handling Error Within An Executable

Jan 29, 2010

I am working on an executable to load set of data into databases.I will be running it as a windows service. I will be doing several different checks to see if the fields exists in the incoming files. When i do the checks using if statements.I would like to stop processing when a major error occurs or when any thing is interrupted Like say windows crashed. I would like to create an error file with the error message in it for that particular file. I would be monitoring error folder everyday to check if there are any errors.

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Use Custom Error Handling?

Mar 8, 2010

When debugging a program, instead of doing this on EVERY piece of code:

Catch ex as Exception
End Try

Is there a way to apply that to everything error I encounter without writing it on every function/sub/etc?

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.net - Error Handling Message Types?

Mar 13, 2012

I am using try..catch for error handling. I am getting the message displayed as (ex.tostring)

But it gives very long message.Is it possible just to get only the actual error or I could give my own modified message, based on what ex contains?

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C# - Error Handling In DTS Package Execution Using .NET

Oct 20, 2010

I am executing a SQL Server 2000 DTS package using C# by following the code from this article [URL]. once the package is executed I am looping through each step to find out if any step has failed and get info about error if it has failed. I also use this information to find out if the package has succeeded or not (package failed if anyone step has failed).


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C# - How To Design Overall Error Handling System

Jul 22, 2010

I am looking at implementing a Web Service API for our product. I have figured out how you go about the general architecture/fault handling within WCF. My question is a more general one of how to design the overall error handling system. For example I have a method called SaveCompany (companyobject). Each company name needs to be unique. Say you tried to save a second company called "ABC Inc.". Would you expect to get back a fault named "DuplicateCompanyFault", or would you expect to get back an error code, or something else? I guess the root of my question is would you prefer to receive faults to handle, error code, or some combination? These services are going to be consumed by multiple different entities outside our company on multiple non-.NET platforms.

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Error Handling Procedure Calls?

Oct 14, 2009

I have an issue with handling errors in procedure calls in VB6.

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Error Handling Using Reflection And Obfuscation?

May 4, 2011

I use a standard error handling routine in my methods that looks like the following:

Cursor.Current = Cursors.WaitCursor
Cursor.Current = Cursors.Default


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Error Handling When Using VB 2010 Express?

Jun 3, 2012

I used the following code(with bug):

For n = 0 To 100
If saveLine(n).Substring(0, 8) = "heading:" Then
End If
Next n

The For loop only ran 5 times. It turned out that saveline(5) was shorter then 8 characters, so I changed the code which solved the problem:

For n = 0 To 100
If saveLine(n).Length > 8 Then


VB 2010 neatly exits the for loop when the bug occurs. In this case it was easy for me to pick up the bug, because the combo box was not properly populated. What if it was not obvious that the for loop did not complete? It is quite scary to think that bugs like this are not displayed at run time.

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Generic Error Handling Class?

Jan 10, 2012

We are developing an application for our shop floor. This program will be tracking material through the shop and we need to capture any errors the program generates, but we don't need to stop the program for all errors. I have some code to do a screen capture and put it in a database with exception.tostring data for debugging.

What we would like to do, is create an exception from the base class, but provide additional properties to allow us to set a severity and a user friendly error message. I would like to encapsulate this in a class that we would call in the catch of a try/catch, set the properties on the class, have the class record the data to the database, then raise the exception to the main program to display only the user friendly message and severity. The main program would then determine the severity and based on the severity stop the program or just display a discreet msg and continue to process.

Does anyone have an example of a custom exception class derived from exception that does something similar, or if I heading in the wrong direction, does anyone have a better solution?

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Handling Connection Timeout Error?

Dec 13, 2009

Sometimes when my server is down or busy, I get an error saying "connection timeout" while connecting to MySQL. But with the error the program also crashes. My question is how can I prevent crashing, it would be better to show a msgbox when this happens. (visual basic 2010)here is a screenshot of the error

I use this,
Dim connStr As String = "Database=mydatabase;" & _
"Data Source=datasrc;" & _


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Looking For Examples Of Error Handling Code

Sep 14, 2009

I have a routine that is called when an unhandled exception occures.It is called by the MyApplication_UnhandledException method in applicationEvents (which handles Me.UnhandledException)

I am looking for some code that manages disects the data provided to generate information that is of benefit to the debugging team.

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VB Express Beginner Error Handling

Aug 20, 2010

I just need a good nights sleep, but Im simply reading through a file (2010 data) and for selected teams, accessing the corresponding data for the previous year (2009 data), which is held on a separate file. (I painstakingly input all the 2009 data manually)

cmd1.CommandText = "SELECT * FROM Teams WHERE Team = ?"
cmd1.Parameters.Add(NewSqlCeParameter("Team", (ds.Tables(0).Rows(x) ("Team"))))


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VS 2005 Error Handling Scope?

Mar 10, 2011

plain how error handling scope works. What I mean by that is if I have a sub called ImportData and in there I have a for loop to go through a list of files and in the for loop I call another sub routine called CheckData. All have catch error in. If a sub has a catch error in where does it go from its call.

Private Sub ImportData
Dim iLoop as Int16


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VS 2010 AppActivate Error Handling?

Dec 17, 2011

I am trying to add some error handling for AppActivate if any error occurs.I initially tried using a try statement and cancelling the sub that calls the function where my AppActivate code is, but that didn't work.I have tried looping it, changing values and everything I know. I have Googled and nothing :S

Here is my I have removed all the error handling I tried to implement, however, this commented msgbox I would like to be included (that is, possible to execute) in any methods you present.


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