vb.net 如何添加sqlconnection控件

如题，我在工具箱中没有找到。 --------------------编程问答-------------------- 这玩意不是直接 new 吗 --------------------编程问答-------------------- 书-----------我看得一头雾。 --------------------编程问答-------------------- msdn中有例子:

Public Sub CreateCommand(ByVal queryString As String, _
  ByVal connectionString As String)
    Using connection As New SqlConnection(connectionString)
        Dim command As New SqlCommand(queryString, connection)
        command.Connection.Open()
        command.ExecuteNonQuery()
    End Using
End Sub

来自:
http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlconnection.aspx#Y3200 --------------------编程问答--------------------

引用 3 楼的回复:

msdn中有例子:

Public Sub CreateCommand(ByVal queryString As String, _
  ByVal connectionString As String)
  Using connection As New SqlConnection(connectionString)
  Dim command As New SqlCommand(……

谢谢，我没有E文基础漫漫看。 --------------------编程问答-------------------- --------------------编程问答-------------------- Using Cnn As New SqlConnection(CnnStr)
    Cnn.Open()
    Dim Cmd As SqlCommand = Cnn.CreateCommand()
    Cmd.CommandText = "" 'SQL语句
    '再干其它事
    '
    Cnn.Close()
End Using

补充：.NET技术 ,  VB.NET