平臺: vs2012
開發語言: vb
資料庫 SQL2008
資料庫組件 GridView
“查詢”按鈕代碼如下:
Imports System.Data.SqlClient
Public Class Form1
Inherits System.Web.UI.Page
Dim cn As SqlConnection
Dim da As SqlDataAdapter
Dim ds As DataSet
Protected Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim cnStr As String = "Data Source=172.16.4.225;Initial Catalog=news;Integrated Security=False;User ID=sa;Password=132.ToList();"
cn = New SqlConnection(cnStr)
da = New SqlDataAdapter("select * from news.dbo.user1", cn)
ds = New DataSet()
da.Fill(ds, "user1")
GridView1.DataSource = ds.Tables("user1")
End Sub
End Class
在瀏覽器運行,點擊 “查詢” 后,報錯誤 (見下圖)
例外詳細資訊: System.NotImplementedException: 未實作該方法或操作。 是何原因??

uj5u.com熱心網友回復:
你說的這兩個技術堆疊都已經過時了,如果是學生的話盡快換堆疊吧。轉載請註明出處,本文鏈接:https://www.uj5u.com/net/39863.html
標籤:VB.NET
