Add/delete Data From A Specific Table In The Database?
Apr 8, 2011
I have a Form1 that is the main application form, that display certain data from a database. Then I have Form2 that add/delete data from a specific table in the database.My problem is, When I add data to the database, and save it, it work fine, But, it does not reflect on the main form, after I close Form2. Only when I exit the application, and open it again, it shows. Is there a setting or something I need to do to update/refresh the info added so I do not need to restart the application?
I am using vb2008 express to work an Access 2003 database. I want to use code to delete the table after I have used it and before I close the program. Is there any code to accomplishg this?
I have a gridview loaded with data from my database and a gridview swapping function which after exchanging data between rows with a column call "Priority", I want to save these changes back to my database. Only the "Priority" column value will be change, how do I update only that Column of my dataset table to my SQL database?
*WeightCheck is a dataset connected to a mdf SQL server file..Datagrid on form is bound to the dataset..This code executes because datagrid on form updates with the deletions..[code]
I got a system which i want to insert, delete, update the data into my database and the data from database will be display using datagrid. The below is the coding for one of my button, delete.
Private Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelete.Click Try btnSearchEmpNo.Enabled = False[code].....
Now I wanna set when user click on this button to delete a employee (for example) then the datagrid that i have in my application will not show the data of the deleted employee but in the background, the employee haven't been deleted from database.The employee only will be deleted from database when the user click on SAVE button.I know this application have to use RowState but how?
My apologies I have posted this in the wrong catagory It should be in VB.net, my mistake)Hi guys I posted this question at the end of another topic I started but I think it will be over looked as the origional topic was solved of the dreamincode community You must all be getting sick of my quexstions by now haha I suppose you don't learn if you dont ask.
Anyway I have used the delete sql method to delete data from a database, I want to refresh the data in the form after the record has been deleted. Do I have to close the form and then open an new instance of it? or is there another way I can refresh the data?
I'm working with the project that require save all user personal information in one table when they login the my system. The problem is too many users login my system per day, it's very hard to manage. So, I want to add one more function which can specify one user information. My solution is filter that user and copy to other table, the problem is I don't know how to do that. how can I delete all information in a table in database?
I wish to delete the contains of multiple tables, and I also wish to append the contain of table1 to table2 (both table1 and table 2 have the same exact fields and type).For the Delete, I have tried the following code and I have undefined errors for SqlCommand and CommandType.This is my code for deleting the contains of a table:
Dim queryString As String = "DELETE FROM Buffer Table 1"[code].....
I have a password protected database (.mdb) which has 2 different tables, and a DataGridView What I want to do is:
[Code]...
you would think that this would be simple, but with some sample code i found i could only get it to load and not save, or it would be written for a datagrid and not a datagridview.
im trying to select a specific bit of data from a table in access using sql in vb.net. My select statement so far is sql = "select [UserAccessLevel] from Member where username = '" & tusername & "'"Useraccesslevel and username being columns in the table and tusername being a variable that stores the username im using to look up the useraccesslevel in the table.
Was wondering if any of you knew anything about select statements.
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#.
How can use vb.net forms to add or delete quantity in a field og ms sql data table.. EG: like in stock, we hv to add purchased stock and deduct selled stock.
I have a datasource linked to a table in a database.When I wnated to display this data on a form, I just dragged the datasource onto the form and it did everything for me, including the code to fill it;
My problem, is that this program will have multiple users, and I don't other users to be able to see each others data. So the problem with the above statement is that it fills the table with ALL the data in the datasource. How can I make it only display data that is for a specific user?Here's the code that is used to fill the tableadapter:
Private Sub frmViewCurrent_Load(ByVal[code].......
in my form..there's a couple of textboxes..these textboxes display data from the database using databinding method...my problem is when i click on my delete button to delete the data displayed in those textboxes...the data will be gone from the textboxes...but when i check my database..the data is still there.....how do i solve the delete button problme???...i want the data to be delete from the textboxes AS WELL AS from the database.
here's my delete button code
Private Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelete.Click Dim intresult As Integer Try
What I want is that when i select the data from the listview1 it will also delete the corresponding data in the database im using mysql database...these is my code
Dim Button = MessageBox.Show _ ("Are you sure you want to delete this Data?", _ "Message", MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1)
[Code].....
so far that is my code..it work but in order to delete the data from database i use the datagridview does not what i want ,what I want is that when i select the item in the listview the corresponding data in the listview it will also delete in database... that code i post is that u need to select the data in listview1 and also select the data from the datagridview in order to delete the data in database..
I am using the tutorial posted here for my database testing. I have gotten it to display the data using a messagebox but it just goes through them 1 by one. I want it to display all the data from the database in a table on my form.
Using connection As New SqlClient.SqlConnection("Server=71.200.87.112MySQLExpress; Database=database_test;User ID=sa;Password=greddy6;Trusted_Connection=False;")[cod
I am having trouble removing a row from a table of an access database. I'm trying to remove a row based on a date/time that has already passed. Here is the code I have. When I try to run it I get an error.[code]...
in my form..there's a couple of textboxes..these textboxes display data from the database using databinding method..
when i click on my delete button to delete the data displayed in those textboxes...the data will be gone from the textboxes...but when i check my database..the data is still there....what happen??..how do i delete the data from the textboxes..AS WELL AS from the database?
here's my delete button code
Private Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelete.Click Dim intresult As Integer
I'm trying to delete a number of records in a table from the last and forward. My idea is to use sql like this: delete top " & variable & " * from table where ID = something It gives me a general sytax error. Is it at all possible? Fuga. Edit: I also have the order by statement there. I just forgot to put it in the question.
