平台: vs2012
开发语言: vb
数据库 SQL2008
数据库组件 GridView
“查询”按钮代码如下:
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
在浏览器运行,点击 “查询” 后,报错误 (见下图)
异常详细信息: System.NotImplementedException: 未实现该方法或操作。 是何原因??