Hi this is the code i have
NewCustomerTable.Clear()
NewCustomerconnection.ConnectionString = "Provider = Microsoft.Jet.OLEDB.4.0;Data Source=G:\Shop.mdb"
NewCustomerconnection.Open()
NewCustomerAdapter = New OleDb.OleDbDataAdapter("INSERT INTO Customers VALUES ('" & txtNewID.Text & "','" & txtNewFirstName.Text & "','" & txtNewLastName.Text & "','" & txtNewAddress1.Text & "','" & txtNewAddress2.Text & "','" & txtNewPostcode.Text & "','" & txtNewPhoneNumber.Text & "')", NewCustomerconnection)
CommandBuilder = New OleDb.OleDbCommandBuilder(NewCustomerAdapter)
NewCustomerAdapter.Fill(NewCustomerTable)
NewCustomerconnection.Close()
i have a button called btnUpdate
and when i click on update i want the program to check to see if the ID number already exists within the database but i cant seem to figure out how to do that. plz help