TreeView 树节点的处理 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using WinForm_CRUD.B…
Private Sub Form_Load() '引用C:\windows\system32\MSCOMCTL.OCX,否则提示出错. Dim Rec As New ADODB.Recordset Dim stRecQL As String Dim Item As Integer Dim i As Integer Dim Node1 As Node Rec.Open "GoodsCategoryQ", CurrentProject.Connection, adOpenKeyset, a…