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]...
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
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].......
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.
I'd like to create code for my datagrid view to be able to delete a row by first clicking the record selector column then pressing delete. Seems like some standard stuff but really difficult to create in VB 2005.
Basically, I am making a booking system. On one of the forms, you can: Add, Edit and Delete a record by using the selected index. I can do the Add and Edit part fine but some problems are occuring when I try to delete it. What I'm trying to do when deleting is, copy all the records except the selected one and then copy it back into the original file again.
i have one textbox ,this textbox contains a number ,i want to delete a record by searching that number in two tables Table1 and Table2,the record may present in Table1 or Table2 ,so it should check both the Tables ,if it is found in table1 it should delete or else from table 2 it should delete.
I want to delete record from GridView.Before to this ask for confirmation like "Are you sure to delete?"I used command field in GridView, [code] I wrote a function in javascript. [code] How I will call this on delete click.
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?
I'm working on an application which is created using VB.NET 2005 and the DB is created in SQL server 2005. I'm able to delete a record from a table when it is not used in another table as a Foreign Key. For eg. If I create a new Customer and saves it in Customer Table, i can delete it with out any problems using the following code..
If .DeleteCancelbutton.Text = "&Delete" Then deleteDialogResult = MessageBox.Show("Delete this record?", "Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question)
I have records in table1, if the records exist, it must copy into table2. I want to delete those records in a table1 once all the records are copied into another table2. Im still a beginner in database and with some researches, i found some tutorials on d internet how to connect with database, and the codes easy to understand so i came out with this program.This codes only do the copy part and i'm still lack of the delete part. i found 2 reference in msdn, but i'm not sure and not understand on the codes given.[code]...
its only delete one rows. But what if many records involved? Do i need to consider the EOF things? DO i need to use DataGridView? Becoz the code i did didn't use DataGridView at all. i dont want the records to be displayed, i just want it to running behind.
Im trying to add a code which adds a record for me and then saves it. I am also trying to add a code which deletes the record for me.So far, my "Add" button, clears the form, which is what I want. Then when I click on save, I get a error. I also get the same error when i Click Delete. This is my code for my "Save" button:
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.
I am working on project. i am using vb.net and sql server 2005. in my project i have a form which records student details. so if i want to update the record of an existing student, i delete the record and insert a new record to the table with the same identity column value using IDENTITY_INSERT. is this ok if i do it like this.
saving data into another form in my program. so when this code saves data into desireddb table, i would like to delete immediately from this db table once it saves data into the desired db table.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
I have a datagridview and the record on the datagridview are extracted from MS SQL Database Table. On my VB form, I have created delete button to delete the record. But the current code is only performing deleting the record from the datagridview temporarily and when I start the form again the record are still there because the record are not deleted on the database.
Private Sub cmdDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdDelete.Click 'Query string If (gridAdmin.RowCount > 0) Then
I have customer/order form.When i delete a record from datagrid.It deletes the record but when i refresh the page or run the app again it comes because i think it just deletes temp from the grid not from the database.How do delete it from the database?[code]...
i've a problem with deleting record from datagrid. i have few columns in my datatable and all publish on to a grid and under "ID" column there are id nos and they are "NOT" unique. user able to search using this "ID" no. problem comes in deleting records since the "ID" is not unique. if i use following command to delete; it deletes all the records which are having same "ID". but i want to delete only the current row records,
sqlDelete = "DELETE * FROM table1 WHERE ID ='" & form1.dgv1.CurrentRow.Cells(0).Value.ToString & "'"