在下面的ADO(ActiveX数据对象)示例中,创建了表my_ado,并演示了rs.addNew、rs.delete和rs.update的用法。
Private Sub myodbc_ado_Click() Dim conn As ADODB.Connection Dim rs As ADODB.Recordset Dim fld As ADODB.Field Dim sql As String 'connect to MySQL server using MySQL ODBC 3.51 Driver(使用MySQL ODBC 3.51驱动程序连接到MySQL服务器) Set conn = New ADODB.Connection conn.ConnectionString = "DRIVER={MySQL ODBC 3.51 Driver};"_ & "SERVER=localhost;"_ & " DATABASE=test;"_ & "UID=venu;PWD=venu; OPTION=3" conn.Open 'create table(创建表) conn.Execute "DROP TABLE IF EXISTS my_ado" conn.Execute "CREATE TABLE my_ado(id int not null primary key, name varchar(20)," _ & "txt text, dt date, tm time, ts timestamp)" 'direct insert(直接插入) conn.Execute "INSERT INTO my_ado(id,name,txt) values(1,100,'venu')" conn.Execute "INSERT INTO my_ado(id,name,txt) values(2,200,'MySQL')" conn.Execute "INSERT INTO my_ado(id,name,txt) values(3,300,'Delete')" Set rs = New ADODB.Recordset rs.CursorLocation = adUseServer 'fetch the initial table ..(获取初始表…) rs.Open "SELECT * FROM my_ado", conn Debug.Print rs.RecordCount rs.MoveFirst Debug.Print String(50, "-") & "Initial my_ado Result Set " & String(50, "-") For Each fld In rs.Fields Debug.Print fld.Name, Next Debug.Print Do Until rs.EOF For Each fld In rs.Fields Debug.Print fld.Value, Next rs.MoveNext Debug.Print Loop rs.Close 'rs insert(rs插入) rs.Open "select * from my_ado", conn, adOpenDynamic, adLockOptimistic rs.AddNew rs!Name = "Monty" rs!txt = "Insert row" rs.Update rs.Close 'rs update(rs更新) rs.Open "SELECT * FROM my_ado" rs!Name = "update" rs!txt = "updated-row" rs.Update rs.Close 'rs update second time..(rs更新第2次…) rs.Open "SELECT * FROM my_ado" rs!Name = "update" rs!txt = "updated-second-time" rs.Update rs.Close 'rs delete(rs删除) rs.Open "SELECT * FROM my_ado" rs.MoveNext rs.MoveNext rs.Delete rs.Close 'fetch the updated table ..(获取更新的表…) rs.Open "SELECT * FROM my_ado", conn Debug.Print rs.RecordCount rs.MoveFirst Debug.Print String(50, "-") & "Updated my_ado Result Set " & String(50, "-") For Each fld In rs.Fields Debug.Print fld.Name, Next Debug.Print Do Until rs.EOF For Each fld In rs.Fields Debug.Print fld.Value, Next rs.MoveNext Debug.Print Loop rs.Close conn.Close End Sub