DB/Reporting :: VB 2008 ADODC Connection Save, Edit And Delete Error?

Nov 27, 2010

Code:
Dim cn As New ADODB.Connection()
cn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:BackupEon of LightEon Of Light.mdb"

[code]....

' This code not Working :('Error Messege in md.Save()

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Mshflexgrid Connection Using Adodc?

May 22, 2009

1.How to connect MSHFlexGrid to many tables in MSAccess database through ADODC in vb 6.0?

2.How to add 2 or 3 grids in MSHFlexGrid in vb.net?

3.How to design a data report dynamically with more than 2 or more tables of MSAccess database?

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May 12, 2010

how can i access the sql server express database table in vb.net on forms to insert records,delete records,search records,edit records.I have made table by using visual studio.

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Add - Edit - Delete - Save - Search ?

Mar 29, 2011

On my add button i still have to add codes that disables my navigation buttons and and my search button... and add codes that will enable them in save button... im still new thats why my codes are just simple if, else if, else conditions that just manipulates enable, visible, text, properties..also if i search my data will be search but my textboxes only shows the searched data.. i still have to add button that will only be visible if the program finds a data... and this button function is to remove the filter..rather than disabling some functions i want a messagebox to prompt the user that this functions arent functionable... 

Look at my codes... i find it lame... its kinda irritating always just using True and false..

Public Class moviesForm

 Private Sub moviesForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

[CODE]...

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Jun 8, 2011

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Save, Edit, And Delete Records In An Access Database Through Vb2008?

Mar 13, 2011

I need to be able to save, edit, and delete records in an access database through vb2008. Editing and deleting records works perfect, but I cannot save new records. Can anyone assist?

Here is my code

Imports System.Data.OleDb
Public Class Main_Form
Dim con As OleDbConnection
Dim cmd As OleDbCommand

[code].....

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Jun 14, 2010

I have a main form (Form 1) with a menu strip and navigation bar. I use the main form to launch other forms (Form 2) as children of the main form.

All of the children forms contain SQL data sets /grids. I would like (if possible) to use the save button on the main form, to save data changes of the children form to the SQL database.

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Add, Delete, Edit And Update Reord, Error With Updating Record?

Mar 25, 2010

I have created simple database project, using vb.net, ado.net, oledb, datatable, datagridview.My program is working nice, Here i m facing Problem with Update Record, when I update Record it only update table in Memory not in Real Database. or some times it shows error message.this is my code for Update button i m facing problem with Private Sub btnUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUpdate.Click

[Code]...

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DB/Reporting :: Connection Error With SQLCE

Jun 3, 2009

I get an error using the connection string (url...) to connect to my SQL CE saying that "Provider 'Microsoft.SqlServerCe. Client.3.5' is not registered in the local PC.".In my project I have a table connected (with the wizard) to the same database and it works fine, but when i try to connect with my own code it FAIL. [code]

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ADO Data Control [ADODC Property-ConnectionString Error]

Nov 11, 2011

when i got to ADODC and try to go to connectionString in the properties of ADODC, the ConnectionString Dialog Box will not open when i click on it its wants me to type some kind of text. However on tutorial it clearly states that a dialog box should open up.

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Edit Excel Document And Save As Option Error

Feb 4, 2012

I was trying to edit a excel document and save under different name and my coding for this is as follows.

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
'Open
Dim MyExcel As New Excel.Application
MyExcel.Workbooks.Open("C:\Test\WalkAir.xlsx")
'Extract
MyExcel.Sheets("sheet1").Activate()
[Code] .....

While debugging the code it resulting with me an error message as Public member 'SaveAs' on type 'ApplicationClass' not found.

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Add, Save, Delete, Save... Error?

Nov 10, 2010

Coming across a curious problem... I'm using a SQLCE database. In thebindingnavigatorsaveitem I have the generated code.. the validate, bindingsource.endedit, and the tableadaptermanager.updateall.Here's what I'm doing. I create a record and then click save. Then I decided to delete the record. When I try to save it again, I get an error - "System.Data.DBConcurrencyException: Concurrency violation: the DeleteCommand affected 0 of the expected

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VS 2008 Cant Read, Insert, Delete, Edit From The Database?

Jun 12, 2009

i am a beginner level member of vs2008i had create a interface. In Daily Transec.vb form i cant insert, edit, delete, go prev and net data. already i had created a localdatabase as "Expense"need you help to complete itso this is request to u that plz chk the link file and complete the DailyTran.vb form. nothing else

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VS 2008 : Perform Add, Edit, Delete In A Dataset That Will Update The Database As Well?

Mar 21, 2010

How to perform add, edit, delete in a dataset that will update the database as well?

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Save And Delete Buttons Code Have Error

Mar 13, 2010

Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click

[Code]...

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DB/Reporting :: SQL Connection/ Connecting From VB 2008 App

Aug 24, 2011

We have developed a VB 2008 app that uses SQL Server 2005 Express to store data collected by this app. This app has been designed to allow multiple connections to the one centralized database.

I have ran a few tests, and confirmed that if one computer running our app is accessing a database residing on a different computer,and the network connection between two computers has been severed, it would take approximately 3.5 minutes before I would get a connection timed out exception error from within my code.

I have deliberately set the ConnectTimeout property in the SQL connection string to be 15 seconds. But some how, SQL database engine still retries until approx. 3.5 minutes later.

My thinking is that I have a subroutine that would attempt to open a database once a minute.If the open attempt is not successful, and resulted in an exception, then I would popup a message to notify the user that the connection is not available.

Doing it this way, I have confirmed that it would take about 1.5 minutes for it to re-establish the connection, once the actual network connection has been restored.

To make the long story short, I would like to find a way to shorten the detection for a broken connection, and let the user know sooner, rather than locking up the app during the 3.5 minutes period has elapsed, and at the mercy of the SQL database engine to timeout. And why would it take 3.5 minutes to timeout the connection attempt when I had explicitly use 15 seconds in my connection string?

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[2008] Error - Unable To Read Data From The Transport Connection: The Connection Was Closed

Mar 15, 2009

I have a simple scraper. It works on some websites, but on some there is this Error:

Quote:

IOException was unhandled Unable to read data from the transport connection: The connection was closed

It is occuring at "Dim htmlresults As String = Urlcontents.ReadToEnd()".

'Create the HttpWebRequest object
Dim req As HttpWebRequest = WebRequest.Create(URL)
'Set the timeout to 1 second (or 1,000 milliseconds)
req.Timeout = 10000

[code]....

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Jan 16, 2009

I am porting a college project made in VB6 to VB.NET, which I am quite new to. I'm finding data bindings a little more frustrating than the ADO controls VB6 had. Here is an example of RecordCount being used in the old code, from the login screen:

Private Sub cmdLogon_Click()
If txtID.Text = "" And txtPassword.Text = "" Then

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Jun 22, 2010

i need a simple phonebook program using vb.net 2008 and access 2007 using ado.net with add , edit , delete buttons

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DB / Reporting :: VB 2008 Express - Establishing A Connection To A Database

Mar 9, 2010

1.Establishing a connection to a database(preferably one that is inherit within the project and can travel with it)

2. Setting the correct references to the database ( I tried connecting via JET with windows 7 and I get an error that I cannot use JET)

3. Query the database (Access) with SQL, and return those results to a recordset.

4. Loop through the recordset.

5. close the database connection

6. Open recordset and write data to table.

[Code]...

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Jun 15, 2012

Is there a way one can edit sound, say for example you have an mp3 sound it is 12sec long, but you want to fit it into 10sec. is there a way one can write a code that automatically adjust the sound so that it only play faster and save it as mp3 again? I am not talking about existing programs to do it. rather a standalone app?

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Feb 3, 2011

I am using Regex operation by retriving column into Richtextbox and run sevral time of all regex operation ( which is quite good and faster on that) then updating that inti database (Sqlite).

1. Retriving 1 million of record column into richtextbox from database.

2. updating database with that.(using richtextbox).these things killing time.

what to use in place of that.(means what to use for fast preview-run regex - update that edited column into database)

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Oct 19, 2010

I got a situation where I need to update the details of an order. So there is an order, and there are many products in that order, and the way I am updating that bit at the moment is simply 'delete and save'. But what happens is that it deletes first and them saves products which would be fair enough but if anything in save function goes wrong the order leaves with no products. So how would I know if I will get an error?

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Apr 13, 2012

I am making some kind of calendar where I can add tasks, so I can easily organise my tasks. For it to complete, I have 3 things I can't figure out how to do it:

1. When I launch the program, I want the items in my listbox to be sorted alphabeticly.

2. I want to save the items in the listbox, so if I close the program and reopen it the items are still saved in the listbox.

3. The items in the listbox all start with a date, fe. "13-4" for today. If that date already passed I want that item to be deleted.

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Jun 3, 2011

I am using MS Access 2007 as database and VB 2008 to build an application to show the content of 2 tables as a single table.I have two tables in MS Access and i have linked both the tables using "ID" as primary key(1st Table),foreign key(2nd Table). I used Query Wizard to show the data of both tables in a single table(3rd Table).I am able to view the content of all 3 tables using datagridview in vb 2008(Using Code), but i am unable to add,delete,save and search the content of the table using code. My concern is,i will be able to do all these operations using codes only.Would you please help me out in this.

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Dec 13, 2010

I have an application where I would like to allow the user to change one field in a datatable but leave the other ones uneditable. I am using a datagridview to do this but I can only make the whole table editable or not. The result should be an order form where you have a determined product and should only be able to change the number of items.

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Apr 22, 2008

In my datagrid, i added a checkbox column, and what i want to do is be able to change the value of one column (in as many rows that are selected) to a certain value. Like from a combo box is it possible to have a combobox in a messagebox? or do you have to create a new form?

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Apr 13, 2011

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Apr 12, 2011

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Oct 4, 2011

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I have a DataGridView bound to a non-SQL Server database.I need to allow users to edit existing records but under certain circumstances I need to intercept the edit and instead of committing and updating the dataset I need to delete the edited record and re-add it as a new record.I have tried using every event I can think of to do this but haven't managed to get it right. [code] This almost works but sometimes completely messes up and re-adds rows twice and all kinds of other bad side effects.

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Nov 28, 2009

I'm asking is for someone to provide me some tutorials or something that can get me on the right track to help me connect an access database to a VB 2008 application. I need to be able to add, edit and delete this database through the Visual Basic application.

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Jun 21, 2010

I have created simple database project, using vb.net, ado.net, oledb, datatable, datagridview.My program is working nice, I just need Help with how to add, delete, update and edit records.

[Code]...

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Jun 21, 2010

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Jun 29, 2011

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[Code]...

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Dec 10, 2010

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Dec 11, 2010

I have a program that reads a text file tab delimted using OLEDb I need to be able to allow the user to insert a user created record into the file which I can do. The problem is I need to be able to let the user edit that record. From my understanding you can not edit or delete with OLEDB only insert So I thought I would read the file using stream reader, find the line I want to edit and just delete it, rewrite the file, then let the user insert a new record?

Dim strDelimiter As String = vbTab
OpenFileDialog1.InitialDirectory = "C:\"
OpenFileDialog1.Filter = "Text Files (*.txt)|*.txt"

[code]....

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I'm using Visual Basic 2005 and I have created a program to display, edit, and create insurance records. Right now I am using an access database and it is hosted locally. What I want to be able to do is host it on our server here at our office and have the program installed on every computer on the network.

My connection string at the moment looks like this:
Code:
Public con As New OleDb.OleDbConnection
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'Opens connection
con.Open()

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Apr 7, 2012

I have a gridview that contains value of every rows read from a text file. What I want to do is, edit and delete the selected row on the gridview. I already have the code to show every row on the textfile:

[code]...

What I am going to ask is, how do I get the index of selected row return and fill the value to the textbox then update it to the textfile?

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May 19, 2009

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i need a way to change the data (edit / delete) in the xml file using ASP.net / VB.net or C#

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Jun 6, 2011

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