Deleting A MS Access Record Based On Date?
Aug 12, 2009
I have an MS Access database that has a field called DeletedDate. I want to use a Delete statement that will delete the record(s) when DeleteDate is 30 days old or older. I have tried several different Delete statements but none seem to work properly. They will always delete some of the records, but will leave some records where either DeleteDate is older than 30 days or will delete recored where DeleteDate is not yet 30 days old. I have tried these using DeleteDate as a Text field and as a Date/Time field. Which should I use? These are the Delete Statements that I have used:
'sComm = "DELETE from Agents WHERE Deleted = 'Y' AND DeletedDate < " & System.DateTime.Now.Date.AddDays(-30) & "
sComm =
[Code]....
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Mar 15, 2012
I have this problem : Dynamic SQL generation for the DeleteCommand is not supported against a SelectCommand that does not return any key column information.... the button used to delete record in my project is button6 at the end of the code
My code :
Public Class Form1
Dim con As New OleDb.OleDbConnection
[CODE]....................
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Apr 3, 2012
I am trying to delete a record from a table by using dao recordset. Currently I am working with the code listed below. Unfortunately i've realised that this code only deletes the first record in my table, whereas I am looking to delete a record form the table with an ID that I would have put in textbox1
Private Sub btnDelete_Click(sender As System.Object, e As System.EventArgs) Handles btnDelete.Click
Dim AccessEngine As New DBEngine
Dim db As Database = AccessEngine.OpenDatabase(DatabasePath)
Dim dbs As Microsoft.Office.Interop.Access.Dao.Recordset = db.OpenRecordset("myTable", RecordsetTypeEnum.dbOpenDynaset)
dbs.Delete()
End Sub
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Oct 1, 2011
what happens is i have a weekly salary table and once a week an administrator computes the salaries and it will be saved there, i want the delete code to delete the already saved record with the same Emp_ID as what i'm trying to save. my problem is i don't think the code i put deletes the record because it will still tell me that there is already an Emp_ID the same with what i'm trying to save..
so far this is my code..
Dim cnn As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source = C:UsersFlorieDocumentsVisual Studio 2008ProjectsPayroll SystemPayroll Systemobjx86DebugPayroll_MaryRoseAn.accdb")
Dim cmd As New OleDbCommand
[Code].....
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Dec 15, 2011
Am using Visual studio 2005 with MS Access. I have a Datagridview with a date column in format 11/23/2011(Month/Date/Year).
Now i want to know how 'search criteria based on particular month and date'.
For Example if select 'Nov' as a month from combobox and click on search button, only November month details should be displayed.
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Oct 19, 2011
I have an MSAccess 2007 DB to record our employees Personal Days Off (PDO). Until now I have only had a form to record each single day taken. This results in time consuming repetitive entry when an employee takes multiple consecutive days or weeks off.
My database consists of two tables:tbl_PDO (to hold the Worker, DateTakenOff and TimeTaken) tbl_Employees (containing the Employees contact info, Name, Address, etc.) A form for Single date data entry with tbl_PDO as the record source and the following fields: (This is the original entry method one day at a time and works as it should)cboWorker(with Record Source tbl_Employee[Worker] DateTakenOff(ShortDate) TimeTaken (in hours) A form for Date Range entry with tbl_PDO as the recored source and the following fields: cboWorker(with Record Source tbl_Employee[Worker] StartDate EndDate TimeTaken (in hours) I have been trying to work with bits and pieces of code Ive found online to create multiple rows in a table based on a date range.[code]...
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Aug 18, 2011
I am leaning VB and have created a basic inventory app for work that consist of 4 tables, CurrentInventory, Surplus, Staff and Category. Each of these tables have a corresponding form. My question is with the CurrentInventory and Surplus form/tables. I want a button on the CurrentInventory Form that when clicked the current record would be transferred to the Surplus table and deleted from the CurrentInventory table.I am assuming that I could somehow use the INSERT command to copy the current record to the surplus table but I am not sure how to accomplish this.
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Sep 26, 2009
I have a form with a DataGridView binding to an Access database. Everything works fine and it populates perfectly. Except when I delete a record. I get the following. I found a few threads about the issue but I cannot resolve the issue. Can some one give me a step by step to resolve this. [Code]
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Jun 6, 2011
i'm having a problem regarding sql deleteCommand..
here's my code
Private Sub btnDeleteBC_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDeleteBC.Click
If MessageBox.Show("Do you really want to Delete this Record?", _
[Code].....
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Jun 21, 2010
I'm using vb.net and I have connected a database to it. As per my interface I should add, delete, go back, go next and save my records. All the buttons work apart from delete. The problem is I do not know the codes for deleting a particular record during the run time, how to work with the codes and steps of deleting a particular record.
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Jan 7, 2011
I can delete record but it only checks for the username.How bout for the password?Can I use
("delete from tblogin where username=('" & txtUsername.Text & "') AND password=('" & txtPassword.Text & "') ", sqlconn)
so that it can also validate the password?
Private Sub btnDeleteuser_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDeleteuser.Click
sqlconn = New SqlConnection("server=CHERRIE-PC;Database=yss;integrated
[Code].....
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Jul 14, 2009
Would it be possible to search a table, confining to a specific date range based on a date-time column, and get a count of the 10 most used words in a particular var-char column excluding a list of words?All in SQL?Currently I am pulling out the records that match and sorting through the contents outside of SQL, I would think where I can do it directly on the server it would be more efficient.(SQL 2008)
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Sep 15, 2009
I am using VB.NET. Is there a date function that calculates the date based on the number of months I have given?
for example, if i say July 2009 and looking for 10 months back, it should return Sept 2008.
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May 30, 2011
in my visual basic 2008 express edition project I have 2 forms (paxreportfrm,paxsearchfrm).I want to give inputs in paxreportfrm and save the record(which is working fine).then in paxsearchfrm i want to search depending on multiple criteria (working ok).when i click on the record which is in gridview in the search form,opens up the paxreportfrm again with all the details of that specific record (working fine). Now i want to update the existing record which has been populated from the gridviw of the paxsearchfrm and also want to have the option to delete the record.I am using the datacontrols(wizard) to make connection with the access2007 database.can someone give me some example of how to do the Edit and delete in the database pls.I already have a save button on the paxreportfrm(if i click on that, after changing the details on existing record, it just saves IT as a new record).so i really need something which will actually save the modifications on the existing record AND ALSO WILL BE ABLE TO DELETE IT FROM THE database. I have tried couple of methods but none of them are working.
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Apr 25, 2010
I'm encountering a problem on how to delete a selected row in a datagrid. This error occurs, "Missing the DataColumn 'ID' for the SourceColumn 'ID'."[codde]
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Jan 23, 2012
I am trying to delete an item from a text file based on if an item appears in a listbox but keep getting an error " Index was out of range. Must be non-negative and less than the size of the collection." The line it is returning the error on is the the first IF statement of the below text.
Code:
Dim Lines As new List(Of String) (IO.File.ReadAllLines("Carl.txt"))
For i As Integer = 0 To Lines.Count -1
If Lines(i).Contains (listBox1.text) Then
Lines.RemoveAt(i)
End If
Next
IO.File.WriteAllLines("carl.txt", Lines.ToArray)
End If
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Jul 3, 2009
How can I delete a row from an SQL database based on what item is selected in a listbox?
The listbox is populated by the database, I bound it to the data source.
I tried this code but get an error:vb
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Dim myCriteria As String = CStr(ListBox1.SelectedItem) Dim deleteStr As String deleteStr = "DELETE customText WHERE userText = 'myCriteria' " End Sub
[Code]...
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Apr 15, 2012
Want to know how to create a exception handler if say you have a form that has a foregin key in it, how does one put an exception handler to prevent the operation of this producing a VB.NET Error when i want to delete a record?
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Feb 22, 2009
I have now got a DataGridView on a form with a toolstrip which automatically created for me when I dragged the DataGridView from the DataSources on the Solution explorer window. I now would like to know how can I have a pop out window saying " Are you sure you would like to delete xxx?" with a OK button and Cancel button.
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May 1, 2009
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.StaffTableAdapter.Fill(Me.StaffDBDataSet.Staff)
BindingNavigator1.DeleteItem = Nothing 'Clear the default value of BindingNavigator's DeleteItem property
End Sub
[code].....
When I selected a record in datagridview and hit delete, it always deleted the first row in the datagridview then if I tried to delete any of the row again, it would not let me. I would like the selected row to be deleted,how I can do that?
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Sep 14, 2011
I have a form with a parent bindingsource showing details and a child bindingsource showing the multiple line items in a dgv. This relationship has the properties set to enforce the constraints and cascade the updates and deletes. When I add a new parent record there is a function for inserting default line items into the child. I have this code fr deleting a record,
[Code]...
edit: jmc posted a nice solution to this problem in the code bank just recently but I could not get it to work in 2005, this line, "AddHandler Me.LOTBindingSource.Adapter.RowUpdated, AddressOf parentAdapter_RowUpdated" throws an error. It say "Adapter is not a member of the System.windows.forms.bindingsource.
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Apr 24, 2009
I would like to have a pop up messagebox that asks users for confirmation before deleting a record in datagridview and if the record is a foreign key to another table, another messagebox will appear and warns users saying" before you can delete this record, make sure you remove all the related records" I have tried but I don't know how to complete it.
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.StaffTableAdapter.Fill(Me.StaffDBDataSet.Staff)
BindingNavigator1.DeleteItem = Nothing
End Sub
[code]....
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Jul 26, 2009
i am using vb.net 2008 and sql server 2005 i have read that always use parameteres for adding / deleted but this is very odd.if i delete a set of records using parameters it doesnt delete.i have used
mCmd = "DELETE From TaxStructure WHERE EffDate = @mDt"
cmd = New SqlCommand(mCmd, MyConConnection)
cmd.Parameters.AddWithValue("@mDt", dtPkEffDate.Value.Date)
cmd.ExecuteNonQuery()
MyConConnection.Close()
this does not delete the data as it seems the date is not found but if i use this :
mCmd = "DELETE From TaxStructure WHERE EffDate = '" & dtPkEffDate.Value.Date & "'"
cmd = New SqlCommand(mCmd, MyConConnection)
'cmd.Parameters.AddWithValue("@mDt", dtPkEffDate.Value.Date)
cmd.ExecuteNonQuery()
MyConConnection.Close()
this works......now what am i doing wrong in the parameters.its the same sometimes for selecting the records too...somewhere it works somewhere it doesnt.
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Jun 16, 2012
I have designed a form which contains a listview(to see the list records) and textboxes (used for adding or updating).an already save record into table using this
cmd.Connection = con
cmd.CommandText = "INSERT INTO student_info_tbl VALUES('" & txtUserId.Text & "','" & txtFirstName.Text & "','" & txtMiddleName.Text & "','" & txtLastName.Text _
[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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May 30, 2012
I have MS ACCESS database and a table name as ALARM.table fields areDate- property ate/timeTime- property date/timeMessage - property textnow I am updating the datagridview in alarm conditions,and when I press delete button I want that the selected row must be deleted., my code is
Dim conn As OleDb.OleDbConnection
Dim strSQL As String
Dim strConn As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:gcodeuser.accdb;
[code].....
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May 8, 2009
I have a table and I need to select the record based on an Id. I only want to return the record that has the Max(Date) on a date field. How do I do that?
In SQL Server I use this
SELECT * FROM dch
WHERE EffectiveDate = (SELECT MAX(EffectiveDate) FROM dch
WHERE ID = 99) AND ID = 99
How can I do this in Linq. Unfortunately this app is coded in VB.NET as we inherited it that way.
I was trying these
Dim qry = (From dch In db.dch _
Where dch.Dealer.Equals(Dealer) _
Select dch.EffectiveDate).Max()
[Code].....
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Mar 15, 2010
I am using vb.net 2008 and sql 2008. How can I delete the last row of a record based on the condition that if the column. FileNo is more than 15 then it should get deleted order by Fdate column desc. I want the rows should get deleted from starting from the last row.
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Jan 12, 2010
I am using VB 2008 and want to record a start date and time and then the stop date and time in a rich text box, i can get the start time into the box but so far can only stop the time instead of 2 seperate times, what i have is a drop down box with a list of computers 1-10 i was trying to get it so you picked a certain computer and that went into the text box then you started the timer and that was recorded, finally you stopped the timer and that was recorded but as i am a total newbie it does not work
Here is the code i have.
Public Class Form1
Dim time2 As Date
[CODE]...................
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May 24, 2010
Contact Title has a default value which is Sales Person. Anyhow, when a user click Edit on the chosen ListView record, i need Contact Title to have the right value that corresponds to the chosen record. For example, if user clicks edit, the fields on the left side will be filled with values. In this case, i want Contact Title to view the right value.
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