Imports System.Data Imports System.Data.OleDb Partial Class SL Inherits System.Web.UI.Page Protected Sub btnReg_Click(sender As Object, e As EventArgs) Handles btnReg.Click 'Label1.Text = TextBox1.Text & "/" & TextBox2.Text Dim tk_provider = "Provider=Microsoft.ACE.OLEDB.12.0" '資料庫所在的路徑 Dim tk_database = "Data Source=" & Server.MapPath("ShopDB.accdb") Dim tk_conn As New OleDbConnection(tk_provider & ";" & tk_database) Dim tk_sql As String Dim tk_datareader As OleDbDataReader tk_sql = "SELECT 密碼 FROM(會員資料表) WHERE((帳號 = '" & TextBox1.Text & "'))" tk_conn.Open() Dim tk_cmd As New OleDbCommand(tk_sql, tk_conn) tk_datareader = tk_cmd.ExecuteReader() Label1.Text = "" If tk_datareader.Read() = True Then Label1.Text = "帳號已存在!" Else tk_datareader.Close() tk_sql = "Insert Into 會員資料表 (帳號,密碼) Values ('" & TextBox1.Text & "','" & TextBox2.Text & "')" tk_cmd = New OleDbCommand(tk_sql, tk_conn) tk_cmd.ExecuteNonQuery() If Err.Number = 0 Then Label1.Text = "新增成功!" Else Label1.Text = Err.Description End If End If tk_conn.Close() End Sub End Class