Click Dim connection As Fb Connection = New Fb Connection("servertype=1;username=sysdba;password=masterkey;database=" & My. Begin Transaction() ' Enlist the command in the current transaction.
You can avoid building Command objects manually by using Command Builder.
As you saw in the Data Table, Data Row, and Data Column sections at the beginning of this article, you can use the Delete method of a Data Row to delete a row.
To save data to the data source, you need to call the Data Adapter's Update method. I'll display the result of the Customers table in a Data Grid after adding, updating, and deleting data from the table.
Note: The Tables member of Data Set represents all Data Table objects attached to a Data Set. Adding a Data Row to a Data Table Dim row1 As Data Row = ds. To test this source code create a Windows application, drop a Data Grid, and three buttons- Insert Command, Update Command, and Delete Command to the form.
Listing 5-46 Creates a new Data Row, sets the data of Data Row members, and adds rows to the table using the Add method of Data Table. Listing 5-48 show the code on the Insert Command button-click event.
As you can see from listing 5-48, I created a filled Data Set and created a new Data Row using the Data Table. After creating a Data Row, I set its column values and called the Data Adapter's Update method and displayed data in the Data Grid.
Firebird Client ____________________________________________________ Private Sub btn OK_Click(By Val sender As System. Connection String = "servertype=1;username=sysdba;password=masterkey;database=" & My.
Click Dim Obj Connection As New Fb Connection() Obj Connection.
Tables da = New Ole Db Data Adapter("Select * from [items]", My Conn) 'Change items to your database name da. NETCalculating Services Provided and Discount - Visual Basic .
Connection String = conn String ds = New Data Set tables = ds.
As you can see from the code, I called the Find method to find the row and called the Delete method of the Data Row.