Database Veiw Adding A Update - Delete And Email Function From The Selection From A Checkbox
Sep 19, 2009
I am pulling information out of my Access Database and reading to a webpage. I need to add a update, delete, and email function to this page. I am trying to do this with the selection of a check box and buttons for each one. But I am unable to get the delete to do anything but redirect back to the orignal page. For the update I want to be able to pull the info in text boxes and just change the info and click update and it gets changed. I also want to be able to pull their email from the database and put it into a text box to be able to email right from the page. Code for show page and delete page below.
[Code]...
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Mar 10, 2012
I have used this form to add new records on my database(ms access) in my database I have a column name 'ID' which is my primary key 'ID' is set as auto number. Now I am having a trouble on creating my update and delete button it's always saying "cannot be delete/update"
Here's my code on add, update and delete
Public Sub SaveRecord()
Try
Dim dbConn As OleDbConnection
Dim dbInsert As New OleDbCommand
Dim str1, str2, str3, str4, str5, str6, str7, str8, str9 As String
[Code] .....
Note my add is working perfectly fine. I just can find the error on my delete and update. Also I have used this to view it to my datagrid I don't know if its the right thing but it's working fine too.
'declared dbpath globally'
Dim dbPath As String = "Provider=Microsoft.Jet.Oledb.4.0; Data Source=../VG.mdb;Persist Security Info=False"
[Code] .....
Another thing is how to code each textbox and combobox to bind it to my records so that when I click on the datagridview each column will be distributed on each respective textbox.
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Sep 21, 2009
On my website I have user records. For the user records page I have three options you can do with each user record. Delete, Update and Email are my checkboxs's that I am trying to use.
<Input Type=CheckBox Name=Delete OnClick="False" Value=<=rs("num")%>><br>
<Input Type=CheckBox Name=Update OnClick="False" Value=<%=rs("num")%>><br>
<Input Type=CheckBox Name=Email OnClick="False" Value=<%=rs("num")%>>
What I want to be able to do with these check box's is when one of these slections are made, I want to be able to pass the value of the selected checkbox by pressing a button over to another page where I have a IF statement. Then value of the selected checkbox runs though the IF statement and matchs with the option in the IF statement.
[Code]...
So I guess what I am looking for is how do I get the value of the checkbox to pass over to another page and run through my IF to match with an option in my IF statement.
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Feb 15, 2010
I've wondered if i can make it so when i click on a checkbox you may not beable to check another. And i do not want to use radio buttons
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Apr 30, 2011
On a Windows form I have a checkbox bound to a datatable. In the CheckedChanged event I do .EndEdit on the bindingsource and then .Update on the tableadapter. At runtime this gives an error: "Data Table internal index is corrupted: '5'.
If I change to the Validated event, there is no error, but the new state is not sent to the data base untill focus is subsequently lost, which is a problem. So how am I supposed to get the new state of the checkbox written to the database when the checkbox state changes?
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Sep 15, 2011
i am working on a window based student registration project using vs2008 and ms access database.what i have to do is to register students for main or comptt. exam according to the course they are in.The students are shown in a datagridview as per the course generated by populating comboboxes.i have checkboxes for main and comptt exam on the form.i want checkbox column in datagridview to select students either for main exam or comptt exam It means when i check say main exam checkbox and check some students or use "select all" checkbox to select them all,those students must be registered for main exam by updating the field "status" in database table by clicking a button.The updated value should be 1 for main exam and 2 for comptt. exam.i have generated the grid but now unable to register
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Nov 29, 2010
I want to know how to Update / delete the table records in ASPNETDB.MDF in single update / delete query ?
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Nov 21, 2010
I'm working in vb.net creating an asp.net web application. I have an SqlDataSource and a GridView on my page:
<asp:SqlDataSource ID="msgUnread" runat="server"
ConnectionString="<%$ ConnectionStrings:edinsec %>"
[code]....
As you can see I was playing with WithEvents but that didn't seem to help. In the above code all I was trying to get was some kind of reaction to the clicking of a checkbox - but nothing happens (no errors, either).
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Jan 5, 2009
im having a bit of trouble with the delete and add record for my database. [code]The error im getting is Update requires a valid UpdateCommand when passed DataRow collection with modified rows.
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Oct 23, 2008
I have connected my access database to vb.net and program is capable to show the database in the datagridview. but what i want is when i change the data in the datagridview and click onto update button,changes i made should be saved in database so when i execute the application again i should be able to see the updated database in the datagridview.
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Nov 19, 2009
Ive 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]
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Jun 21, 2010
Add, Delete, Edit and Update from the database using .NET?
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Nov 23, 2009
How To Add, Delete And Update Database Using Datagridview
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Sep 10, 2010
I'm trying to get the Update button and my Delete button to work. Please advice me accordingly on what I'm doing wrongly. And as for the delete button, I have little clue of doing it. What I want the Update button to do: Basically I have a datagridview in my form. And the DGV displays all the records I have in my mdb file. The user could edit the records directly at the DGV and when the Update button is clicked, both DGV and database gets updated.
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Dec 14, 2010
1- 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?
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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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Apr 23, 2008
I am looking for general coding for performing the various functions such as elete/add/update the table in the database.
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Mar 6, 2011
First one is how to update database records without using me.validate[code]...
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Jan 8, 2010
I have problems with the updating and deleting of records in database. I'm using ObjectDataSource and the GridView to display the results in the database. Below is the codes for the update and delete (in the DAL (data access layer). BTW, I'm doing 3 tier architecture in VB.
'update the records accordingly in the database.
Public Function UpdateBooks(ByVal title As String, ByVal borrowDate As String, ByVal dueDate As String, ByVal NameBorrower As String, ByVal book_id As Integer) As Integer
Dim connectionString As String = My.Settings.dbConnection
[Code] .....
I don't know why, but every time I try to update (by clicking on the update button), every thing is not updated, the page would refresh then the records still remain the same in the GridView. As for delete, when I clicked on the 'delete' button, the record is not deleted, it still remains there.
These are the codes in the (BLL (business logic layer)):
Public Function getUpdateBooks(ByVal title As String, ByVal borrowDate As String, ByVal dueDate As String, ByVal NameBorrower As String, ByVal book_id As Integer) As Integer
Dim ds As Integer = UserDA.UpdateBooks(title, borrowDate, dueDate, NameBorrower, book_id)
Return ds
[Code] .....
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Jun 23, 2010
I display my records using datagridview...I have also Save button which is intended to update any changes I make via the datagridview.I got this error whenever I type something in the address column "Update requires a valid UpdateCommand when passed DataRow collection with modified rows."[code]What code do I put so that whenever I highlight a row and click delete button or press delete key selected records will be deleted from datagridview as well as my database will be updated from any deletion?
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Jul 22, 2011
I am working in this and I am kinda confused about it, I have to add,update, and delete in the database this is what I have so far.
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code].....
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Apr 6, 2011
How to create a delete in used to delete my sql database from different database without decalre one by one in vb applcation
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Jan 15, 2011
how i can add, delete, edit, update data of ms access file using visual basic 2008
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Jun 21, 2010
how retrive and delete data in vb.net. I am using access database.
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Nov 3, 2008
How do I insert,update,and delete records in vb.net 2008 from a Access 2007 database?Really, I figured out how to add records - but I cannot delete or update records. Any pointers, website tutorials, etc?Also, I am binding the database table to Listbox which is working, but I need to update the listbox with deletion and update changes too...
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May 23, 2011
I will be displaying most of my data in a Listview, One I found that works with how I want it starts like this:
Dim Connection As New OleDb.OleDbConnection
Dim DataAdapter_ As OleDb.OleDbDataAdapter
Dim DataSet_ As New DataSet
[Code]....
The Add, Update and Delete on the tutorial didn't seem to work any chance
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Jan 5, 2011
I am using this code to Add rows to a SQL database, and it adds the row to the SQL database if column 7 is not null. After it adds the row to the SQL database, it deletes it from the Access Dataset, and updates the Access Database. Sometimes double rows seem to get inserted into the database, so I'm thinking there is an error in my logic somewhere here.
Dim rowcount As Integer = AccessDataSet.AccessTbl.Rows.Count
Dim y As Integer = 0
For x = 0 To rowcount - 1
txtRow = AccessDataSet.AccessTbl(y)
If IsDBNull(txtRow(7)) = False Then
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Mar 21, 2010
How to perform add, edit, delete in a dataset that will update the database as well?
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Jun 16, 2009
In the software I am developing for my A-level computing coursework I want to add a function to export the database (to backup, use in other computers, etc) and later on a function to import databases (that I had previously exported using this function). At the moment I have a SaveFileDialog, and I have filtered .mdb files only (as this is the type of files supported by my application). But How do I select what is going to be saved? (How do I point to the .mdb file that is located in the program's directory?)
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Sep 27, 2010
Im trying to add columns to my database through VB.NET. I have a MS Access database (MDB format). It has a table in it called "TestTable" and that table has only one field in it "FirstField". It has no data in it yet. I want to add columns to it first and then fill data.
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