Updating dataset in vb net Adult chat demo
Open() Dim sql As String = "SELECT item.item_number, item_name, order.quantity,order.notes FROM (order INNER JOIN item ON order.item_id = item. ID_customer = " & Form2.value & ")" Dim cmd As New Ole Db Command(sql, cnn) da = New Ole Db Data Adapter(cmd) da. Dim sql As String = "UPDATE item, order SET item.item_number = @item_number, item.item_name = @item_name, order.quantity = @quantity, order.notes = @notes FROM (order INNER JOIN item ON order. ID)"Dim sql As String = "UPDATE item, order SET item.item_number = @item_number, item.item_name = @item_name, order.quantity = @quantity, order.notes = @notes FROM (order INNER JOIN item ON order. ID)" Firstly my apologies as I misled you somewhat believing that a mass update was possible when it turns out not to be. Base Directory & "baza_podatkov.mdb" Dim cnn As New Ole Db Connection(CONNECT_STRING) cnn. ) I am unlikely to reply to anything that does not contain offers of cash, fame or marriage! Base Directory & "baza_podatkov.mdb" ' "Provider=Microsoft.
So back to the old style but with some changes which are entirely peculiar to Access databases (or rather Ole DB). Reviews: "dunfiddlin likes his Data Tables" - jmcilhinney Please be aware that whilst I will read private messages (one day! If my Update query contains where on end of it, then my records are not updating and I'm 99% that my st_artikla is on 1'st position in my joined table. Using bind variables makes the statement reusable with different input values.Using bind variables also improves query performance in the database, eliminates the need for special handling of literal quotation marks in the input, and protects against SQL injection attacks. Build and fill each Data Table in a Data Set with data from a data source using a Data Adapter.The Data Set object offers a disconnected data source architecture.
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The documentation suggests that it should always be calling End Edit() on the underlying data source.