Delete A Record From An Access Database Using The Command Object?
Nov 26, 2011
I'm trying to delete a record from an access database using the command object in vb.net 2010 express but can't seem to get anywhere.If I run the code below, I get no errors but nothing happens. The connection opens fine but the db does not update.the table has only two columns.The variable strCrit is so that I can build the sql string with exclamation marks, When I debug.print the sqlupdate string it seems to read fine.the routine is called from a form with a button.
Dim sqlupdate As String
Dim strcrit As String
strcrit = """"[code].......
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Jun 7, 2009
The following code does not seem to delete the record in the table...
Imports System.Data.SqlClient
Imports System.Reflection
Module UpdateSys
[Code]....
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Dec 27, 2011
hows to remove the selected row when i click on delete button of selected item in listview ?
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Jan 30, 2010
[Code]...
I have a project with Access using datagridview on the vb 2008 express, I only have on table - sysdep(id,sysaccount,syspw), and insert, delete, update the record to the Access table. On this delete,
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Oct 21, 2011
I am trying to delete a record by entering the "party code". I tried with the below coding but it is showing the error as " ExecuteNonQuery: Connection property has not been initialized.[code]...
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Jun 12, 2009
basically, i have one delete form, where i will load the firstname from a table in access(hardcode) to listbox.then when a user choose the first name, from list box and click delete.the entire row related to the first name should be delete.
The code, i wrote so far..
Imports System.Data
Imports System.Data.OleDb
Public Class Delete
Dim inc, MaxRows As Integer
[code]....
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Feb 10, 2012
i am working on a project in vb10 i want simple code to add delete or update record in ms access by a click of button
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Apr 6, 2010
trying to delete a record in access backend table...
The form shows the record being deleted..
But the records in the table never get deleted. ?????
Private
Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelete.Click
[Code].....
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Jan 8, 2012
I always have trouble with this every time I create a desktop app which needs to update data from a database.So, I have created and coded my form to load data into a data grid view control, I can add data to the data grid view and it updates fine but when I come to delete a line, I get the error message below
System.InvalidOperationException was unhandled
Message="Dynamic SQL generation for the DeleteCommand is not supported against a SelectCommand that does not return any key column information."
Source="System.Data"
[code]....
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Apr 15, 2012
I have a access database with these columns. USER_ID,COUNT,TIMES
Let say the current record is this:
USER_ID,COUNT,TIMES
STEVE20,24,1.5
Now I want to updated the current count record and times, but before updating I want the old record to be added to the new record. What should be my query?
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Mar 22, 2009
Working on Access 2007 and Visual Studio 2008, i already connected my database to the application and can see the data on datagrids and can add or edit or delete records, the problem is that those changes do not go to the database, so when i close and reopen the application, i found the old data as it was before. Note: i used the wizard to add the connection, not the code.
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Oct 6, 2011
the code for delete a record is just below,but
im
custIdentidade
As
[code].....
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Feb 4, 2011
how to delete a record from a simple database I've been working on. The code is as follows:
[Code]....
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Oct 1, 2010
I can;t seem to get this right. the application i'm creating lets the user select a record in a list view(lvList), and by clicking a remove/delete button, this will happen.
[code]...
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Aug 17, 2011
why cannot delete the record? my code
Imports System.Data
Imports System.Data.OleDb
Public Class Form1
[code]....
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Jun 8, 2010
I've got a datagriedview and records and i want to delete one record from this and also from my database.My datagriedview is a control and it is filled with records with the method Fill. So I created a delete button like this: 'Me.ReceiptBindingSource.RemoveCurrent() but this deletes a record ONLY from the datagriedview. Then I tried this:
[Code]....
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Nov 24, 2011
[Code]...
I using the MaxRows in deleting the record, so it just delete the top of the data list, while i want to delete the selected record.
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Jun 2, 2009
I developing a VB.net application and I'm unable to delete the record from. But my code only deletes the record from the datagridview and it is not being deleted in the database.
I'm using SQL Server Express 2008 and the table name is Admin_Table. The fields are :
Field Name Data Type
-------------- --------------
admin_ID int
admin_Name varchar
[Code]...
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Mar 5, 2009
I am connected to a mdb using OleDb. The Connection code is :
' GET CONNECTED TO DB
Try' Open a connection to the database.cn = New OleDb.OleDbConnection(strConnection)cn.Open()
' Load Data Adapteradapter = New OleDb.OleDbDataAdapter(strSelect, strConnection)
' Create Auto generated Insert, Update, Delete cmds for Tableautogen = New OleDb.OleDbCommandBuilder(adapter)
[Code] .....
Add & Update are working perfectly, but delete doesn't update in the db. While application is running it shows that data is deleted, but when I run again, I see the same data, so its not physically deleting from the db. Add & Update both are working perfectly even after re-running.Can anyone tell me where am I going wrong in delete part. The row is also proeprly selected. No exceptions, yet why not deleting physically.
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Aug 28, 2011
How to delete a record in the listview and will update to my database?[code]....
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Jul 14, 2011
is my coding and i want delete the record from grid view and data base also .. but i can only delete from grid view
this my Module coding
Imports System.Data.OleDb
Module Module1
Public con As New OleDbConnection
[Code]....
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Jun 8, 2010
I am using ExecuteReader commands to read records in large external databases. Part of my program logic requires that a condition of the database be examined without reading another record - for instance, I want to know if the database has reached the end without reading an additional record.
[Code]...
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Sep 15, 2009
I've been messing around trying to get an INSERT statement to work, and because of this, it has created lots of records in my database that I dont need or want.
The problem is, when I open up the table by right clicking on it in the database explorer and selecting "Show table data", I click on the record I want to delete and the following error comes up in a message box[code]...
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Jun 20, 2011
I have made an app which has id and name and class and tel fields using sql2005 database I made ID field as primery key so when i delete record from table it doesnt rearange it self for example I added record number
1
2
3
4
[code]....
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Jul 22, 2009
delete a record in a database table in crystal report, after the report had been view from the new page and when the page is close.
the report is done in vs2008 c#.
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May 3, 2011
I was create Access database with Access 2003. I create VB project with Visual Studio 2005 Standard With connection wizzard I create coonect with this Access database, select all tablesI see this database inside Data sources and inside Server explorer Test connection is OK When I drag and drop table from Data sources, Wizzard don't create DataGridView, DataSourceBinding etc .. and I see popup window with mesage: Object reference not set to an instance of an object and then "game over"
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Jun 11, 2011
i am developing a small tool by using VB.Net. I want to display data in comboboxes from a table which is in an access database. I using SQL query. Its a simple problem , I think the problem is in my COMMAND. I want to display data as DISTINCT(No repeating data). I am including the code and design form.My code(for form) is
///
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
cn = New Data.OleDb.OleDbConnection
cn.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=\CTCRI-STUDENTSRajeev R NairRajeev.Dept.ESSVariety FinderVariety FinderTuber.accdb"
[code]....
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Nov 16, 2009
Hi, as part of a computing project I am writing a program to add, edit and delete data from an access database.
I have successfully written code to edit data but when adding a row to the dataset I run into a problem.
This is the code in my button which adds a new record.
Dim cb As New OleDb.OleDbCommandBuilder(da)
Dim NewRow As DataRow
NewRow = ds.Tables("CandidateID").NewRow
[Code]....
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Jul 21, 2010
I'm looking for a simple code to get a specific record from an access table or query.say the table is called "tblPriceList" and there are field called "product", "color", "size" and "price". I want to get the price when I know the value of the other 3 fields and assign it to a value "x"say product = "Clip", color ="Red", size ="large" orsay product = 1 color = 2 and size = 3What is the syntax for the method?
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Jun 22, 2010
this is my code to display records from my ms-access database whenever i click the button next. But the code is only displaying the last record in the database. I have tried using for loop but it is giving me error.
[Code]...
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