📄 周路db_studentadd.aspx.vb
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Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.OleDb
Imports System.Drawing
Partial Class _Default
Inherits System.Web.UI.Page
Public ds As DataSet
Public index As Integer
Public sqlstr As String
Public DR As DataRow
Public ConnectStr As String
Public DataAdapter As OleDbDataAdapter
Public DataConnection As OleDbConnection
Public DataSet As DataSet
Public 学号 As String
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim strsql As String
Dim conn As New SqlConnection("Server=localhost;Database=选修课管理系统;Uid=sa;Pwd=;")
strsql = "SELECT * FROM 选修表 WHERE 学号 = '" & TextBox1.Text & "'"
Dim cmd As New SqlCommand(strsql, conn)
conn.Open()
Dim dr As SqlDataReader = cmd.ExecuteReader()
GridView1.DataSource = dr
GridView1.DataBind()
conn.Close()
End Sub
Public Function GetDataFromDB(ByVal sqlstr As String) As DataSet
Try
DataConnection = New OleDbConnection()
DataConnection.ConnectionString = ConnectStr
DataAdapter = New OleDbDataAdapter(sqlstr, DataConnection)
DataSet = New DataSet()
DataSet.Clear()
DataAdapter.Fill(DataSet)
DataConnection.Close()
If Not DataSet Is Nothing Then
Return DataSet
End If
Catch ex As Exception
End Try
End Function
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
学号 = "200508213"
Dim strsql As String
Dim conn As New SqlConnection("Server=localhost;Database=选修课管理系统;Uid=sa;Pwd=;")
strsql = "SELECT * FROM 选修表 WHERE 学号 = '" & 学号 & "'"
Dim cmd As New SqlCommand(strsql, conn)
conn.Open()
Dim dr As SqlDataReader = cmd.ExecuteReader()
GridView1.DataSource = dr
GridView1.DataBind()
conn.Close()
End Sub
End Class
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