private void treeView1_AfterSelect(object sender,TreeViewEventArgs e)
        {
            switch (e.Node.Tag.ToString())//字符串
            {
                case "1"://注意字符串夹引号，以下均是
                    Dangan();
                    break;
                case "2":
                    Jiangfang();
                    break;
                case "3":
                    Diaodong();
                    break;
                case "4":
                    Kaoping();
                    break;
            }
        }

Private Sub TreeView1_AfterSelect(ByVal sender As System.Object,ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles TreeView1.AfterSelect

        Select Case (e.Node.Tag) '数值
            Case 1 '看到同c#中的区别了吗
                ConAdd()
            Case 2
                ConModify()
            Case 3
                ConFindPrint()
            Case 4
                ConSumLeft()
            Case 5
                Stock()
            Case 6
                StockDown()
            Case 7
                CusAdd()
            Case 8
                CusModify()
            Case 9
                CusFindPrint()
            Case 10
                Product()
            Case 11
                ProModify()
            Case 12
                Welcome()
            Case 13
                Setting()
           
        End Select
        
    End Sub

  
  

   
   
欲知更多，请移步：
   
   http://er.biao.blog.163.com/