VS 2008 Delete Records Re-appear
Aug 8, 2011I am using the code below to delete reocrds , but when i restart the program they reappear.How do i commit the deleted records.[code]
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View 1 RepliesCannot Delete The Records?
Jun 14, 2012The following code deletes the records from the table on run time but not actually from the MS Access database. I have deleted all the records and when I restart the application, all records are exist.
How to solve the problem?
[Code]...
Cannot Delete Any Records From DataGridView
May 14, 2012imports System.Data.SqlClient
Public Class Form3 Inherits System.Windows.Forms.Form
Dim myConnection As SqlConnection
Dim myCommand As SqlCommand
Dim ra as Integer
[Code] .....
Attached File(s)
deleting.txt (793bytes)
Number of downloads: 9
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Aug 22, 2011I use this code to get row id from dgv to delete that row after that
Me.
TextBox1.Text = DataGridView1.Rows(e.RowIndex).Cells("id").Value
Now how can I amend this code to use it to get sevral rows ids in case that I want to delete more than one row ?
Delete Records From Datagrid?
Jun 21, 2010how to delete a record from datagrid, i tried the following code but it gave me an error in deleting records, I am using Mysql Database.
Following is the code:
Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
'recorddelete()
Dim sql As String
Dim db As New DBHelper
[code]....
I think problem is in this line, may be syntax problem:
sql = "delete from budget_details where ID = & DataGridView1.CurrentRow.Cells(0).Value.ToString()& "
How To Delete All Records In Table
Mar 6, 2009I try to delete all record in a table (.mdb msaccess) and I have the next code:
Me.Validate()
Me.Db1DataSet.Tables("tabl").Clear()
Me.TablAdapter.Update(Me.Db1DataSet.Tables("tabl"))
Me.Db1DataSet.AcceptChanges()...
But this don't change my table...
.net - Unable To Delete Records In DataGridView?
Apr 23, 2012When I modify and delete data in a DataGridView, I get the error:
The record cannot be deleted or changed because table 'Table Name' includes related records.
but I can add new data, only cannot modify and delete data.
Add / Delete / Update Records In A Database
Nov 19, 2009Ive created a form to add/delete/update records in a database ,but when i try and open the frm i get a NullReferenceExceptionUnhandled error, below is my code, i cannot for the life of me see where i've gone wrong, but maybe someone else can spot it?[code]
View 2 RepliesAdd, Edit And Delete Records In Access Using .net?
Jun 21, 2010add edit and delete records in access using vb.net.i got textbox 1 to5 and three buttons which named addnew ,edit, delete.my database is in name records.mdb i want user to enter the information and click addnew button and the system save the records and so on with edit and delete.
View 3 RepliesCannot Delete New Records In Access Database
Feb 17, 2008I'm creating an application that adds and deletes records from a microsoft access database. The language I'm using is VB2008. I am importing the database through a wizard. I can add records and delete records, but I cannot delete a newly added record without closing the form first. When i reopen the form, I can delete the record. Here is how I have my database setup:
'Bind user info to the controls.
AUSERDataSet = New BulldogUsersDataSet
AUSERTableAdapter = New BulldogUsersDataSetTableAdapters.UsersTableAdapter
AUSERTableAdapter.Fill(AUSERDataSet.Users)
' Setup the binding source.
AUSERBindingSource = New BindingSource
Database - Delete Records From Ms Access?
Dec 21, 2009how to do it, but the tutorial is not applicable on the program that I wish to do. The tutorial tells you to add 4 navigation buttons so that you can navigate the database(first, last, back, and forward). Then an update and delete button. But if this is what I will do, it would take 10 years to navigate the database and update a record. Now, what I want to do is just for the user to input a unique ID and click search button(which I have already done). Then the update would be easier. How can I update or delete a record using this method?
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I have 3 projects in my sample dataset and I'll recieve 3 duplicate submittals and 3 duplicate items.
If I have 6 projects in my sample dataset than I'll get 6 duplicate submittals and 6 duplicate items.
I've tried adding distinct to my SQL statement, but that didn't do anything. Is there any reason why its showing as many duplicates as I have projects?
Delete Records From Related Tables
Jun 6, 2011i have 3 tables in ms access that is patient , NOK,and admission they have related fields, i am using vb 2005. when i delete a record from the patient table i want the related records from the other tables to be deleted.
View 1 RepliesDelete Records From The Database If They Are At-least 3 Years Old?
Dec 19, 2011I have a project that I am working on that requires me to delete records from the database if they are atleast 3 years old.I have something like this in DB2 SQL to get the date:
SELECT * FROM tableA
WHERE ADD_DATE < CHAR(CURRENT DATE-3 YEARS)
ADD_DATE is stored as Characters in my system, this is why I am converting I know it is also possible to get the date and format it in VB.net which is the language I am using to call the SQL statements.My question is whether it would be faster/better to get the date and perform the conversion inside the SELECT in SQL or would it be better to get the current date and convert it in VB.net and then use that date in the SQL statement. I'm thinking VB.net would be better because there are thousands of records that must be compared. I should be able to set it up in VB so that it only retrieves the date and converts it once but I am not sure what kind of performance hit each takes from these statements.
Executenonquery Delete Null Records?
Jul 26, 2010I have a database which contains 60K null or blank records. These records contain several fields, all blank or null. I am using the following code, which I know works if there is text in the field, but if it is null or blank, I get negative results.
Dim
rv As
Integer
[code]....
how to check for null in an executenon query command?
How To Delete Records In Access Database
Mar 17, 2009how can I delete a records in access dataabse except for sql query my code is this I would like to know if this code is wrong or not
Private Sub BindingNavigatorDeleteItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BindingNavigatorDeleteItem.Click
[Code]...
.Net CommandBuilder Will Update, Insert, But Not Delete Records In SQL DB?
Feb 15, 2012I have a datatable populated from an SQL Server 2008 database table. I created a DataAdapter with a commandbuilder to manage the updating, inserting, and deleting of records. The Updating and Inserting work as expected. However, Delete does not. The code runs through just fine without any errors. The number of records in the datatable after the row is deleted even reflects the deletion. The DataAdapter.Update works fine without any exceptions. But when checking the actual table in the SQL DB the deleted record is still there.Here are the parts of my code that deal with this table.
[Code]...
Delete / Update And Searching Records In Database?
Dec 14, 20101- How to delete & update any record in the DataBase in vb.net?
2- How to make search & advance search about any record in the DataBase in vb.net by date,ID ........etc?
Delete Duplicate Records In Table Using Recordset
Mar 19, 2011I am trying to delete duplicate records present in my database table using record set the code that i have tried is below [code]it is not showing any error . Then i tried to debug and the flow goes from While rec1.EOF = False directly to con.close.
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Jun 6, 2011how to use datagridview and why and when we use adaptor and data reader
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Jun 28, 2011I'm creating a project using Microsoft Access 2007 & Visual Basic 2008.I have two tables in my database, Staff and Training Attended. The Training Attended records of Staff are displayed in datagridview, residing in a different form from the Staff detailsWhat my program does is, it will display all of the Staff's list of Training Attended in datagridview once I click the button in Staff form. I've succeeded in retrieving the records. using bindingsource.filterThe problem is that I can't insert/update/delete records in the Training Attended datagridview. it keep giving me this error: Update requires a valid UpdateCommand when passed DataRow collection with modified rows.
View 2 RepliesInsert/Delete Records In A MSSQL Database?
Mar 8, 2012I am trying to Insert/Delete records in a MSSQL database based on if a checkbox is checked or unchecked. The checkbox is an item template in a datagrid, I can check/uncheck the checkbox but it doesn't do an insert or delete. Here is my code:
[Code].....
But then I get the error that the control chkmap has not been declared. I am confused as to how this needs to be declared, do I set a variable to the FindControl("chkmap") and then set it as variable.checked = true ?
Unable To Delete Records From MS Access - OleDbConnection?
Feb 6, 2010In my application, I open a "Customer Details" form and on confirming I have to delete all records from other 2 tables (Order & OrderDetails) of the database. I am not able to delete records. It somehow stops by on - ordDetAdap.Update(ordDetDs) . The code is as follows :
[Code]...
There may be N number of Orders and each order may have N number of OrderRedetails. There are rows and also shows proper data in MsgBox, also row.Delete works fine, BUT why does it stop at Update(OrdDetDs) I can't make out. Any idea where am I going wrong.
Also Is their any easy way out to delete all records using just a single statement providing OrderId from OrderDetails table ? As of there are 10 rows of a single order, then For loop will iterate 10 times and delete 10 rows, instead if I can delete all 10 rows at once would be beneficial.
Unable To Delete Records In VB2010 Express And Sql?
May 15, 2011I have a program which I am converting from VB6 to VB2010 this is also my first venture into sql. I have read many of the examples to try to get to grips with deleting records including those in this forum by imcilhinney
My problem is that I want to delete all but one of the records when the user presses a button, everything goes well until the 'ExecuteNonQuery' is reached.
[Code]...
Update And Delete Access Database Records?
Mar 6, 2011First one is how to update database records without using me.validate[code]...
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