addsubject.aspx.vb

利用简单框架结构vb+asp+sql,实现小型考试系统

Imports System.Data
Imports System.Data.SqlClient
Public Class addsubject
    Inherits System.Web.UI.Page

#Region " Web 窗体设计器生成的代码 "

    '该调用是 Web 窗体设计器所必需的。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

    End Sub
    Protected WithEvents Button1 As System.Web.UI.WebControls.Button
    Protected WithEvents Button2 As System.Web.UI.WebControls.Button
    Protected WithEvents Panel1 As System.Web.UI.WebControls.Panel
    Protected WithEvents Panel2 As System.Web.UI.WebControls.Panel
    Protected WithEvents Repeater1 As System.Web.UI.WebControls.Repeater
    Protected WithEvents singlenumber1 As System.Web.UI.HtmlControls.HtmlInputText
    Protected WithEvents singlescore1 As System.Web.UI.HtmlControls.HtmlInputText
    Protected WithEvents multinumber1 As System.Web.UI.HtmlControls.HtmlInputText
    Protected WithEvents testtime1 As System.Web.UI.HtmlControls.HtmlInputText
    Protected WithEvents multiscore1 As System.Web.UI.HtmlControls.HtmlInputText
    Protected WithEvents Button3 As System.Web.UI.WebControls.Button

    '注意: 以下占位符声明是 Web 窗体设计器所必需的。
    '不要删除或移动它。
    Private designerPlaceholderDeclaration As System.Object

    Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
        'CODEGEN: 此方法调用是 Web 窗体设计器所必需的
        '不要使用代码编辑器修改它。
        InitializeComponent()
    End Sub

#End Region

    Dim objconn As New SqlConnection(ConfigurationSettings.AppSettings("ConnectionString"))
    Public objcomd As SqlCommand
    Public comdstr, comdstr1 As String
    Dim subadp As SqlDataAdapter
    Dim subds As DataSet
    Dim subdr As SqlDataReader
    Dim subname, testtime, singlenumber, singlescore, multinumber, multiscore As String
    Public subedit, subdel, subject1 As String
    Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        '在此处放置初始化页的用户代码
        If Session("AdminName") Is Nothing Then
            Response.Write("<script language='javascript'>alert('用户不存在或者权限不足,请确认已登录.');history.go(-1)</script>")
        End If
        Panel2.Visible = False
        subedit = Request.QueryString("subedit")
        If subedit <> "" Then
            comdstr = "select * from subject where id=" & subedit
            objcomd = New SqlCommand(comdstr, objconn)
            objcomd.Connection.Open()
            subdr = objcomd.ExecuteReader
            If subdr.Read() Then
                testtime1.Value = subdr("testtime").ToString
                singlenumber1.Value = subdr("singlenum").ToString
                singlescore1.Value = subdr("singlescore").ToString
                multinumber1.Value = subdr("multinum").ToString
                multiscore1.Value = subdr("multiscore").ToString
                subject1 = subdr("subject").ToString
            End If
            objcomd.Connection.Close()
        End If
        subdel = Request.QueryString("subdel")
        If subdel <> "" Then
            comdstr = "delete from subject where id=" & subdel
            objcomd = New SqlCommand(comdstr, objconn)
            objcomd.Connection.Open()
            objcomd.ExecuteNonQuery()
            objcomd.Connection.Close()
            Panel1.Visible = False
            Panel2.Visible = True
            management()
        End If
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        subname = Request.Form("subjectname")
        testtime = Request.Form("testtime1")
        singlenumber = Request.Form("singlenumber1")
        singlescore = Request.Form("singlescore1")
        multinumber = Request.Form("multinumber1")
        multiscore = Request.Form("multiscore1")
        comdstr = "insert into subject (subject,testtime,singlenum,singlescore,multinum,multiscore) values('" & subname & "','" & testtime & "','" & singlenumber & "','" & singlescore & "','" & multinumber & "','" & multiscore & "')"
        'Response.Write(comdstr)
        'Response.End()
        objcomd = New SqlCommand(comdstr, objconn)
        objcomd.Connection.Open()
        objcomd.ExecuteNonQuery()
        objcomd.Connection.Close()
        Panel1.Visible = False
        Panel2.Visible = True
        management()
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Panel1.Visible = False
        Panel2.Visible = True
        management()
    End Sub
    Sub management()
        comdstr1 = "select * from subject"
        subadp = New SqlDataAdapter(comdstr1, objconn)
        subds = New DataSet
        subadp.Fill(subds, "subject")
        Repeater1.DataSource = subds.Tables("subject")
        Repeater1.DataBind()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        subname = Request.Form("subjectname")
        testtime = Request.Form("testtime1")
        singlenumber = Request.Form("singlenumber1")
        singlescore = Request.Form("singlescore1")
        multinumber = Request.Form("multinumber1")
        multiscore = Request.Form("multiscore1")
        comdstr = "update subject set testtime='" & testtime & "',singlenum='" & singlenumber & "',singlescore='" & singlescore & "',multinum='" & multinumber & "',multiscore='" & multiscore & "' where id=" & subedit
        'Response.Write(comdstr)
        'Response.End()
        objcomd = New SqlCommand(comdstr, objconn)
        objcomd.Connection.Open()
        objcomd.ExecuteNonQuery()
        objcomd.Connection.Close()
        Panel1.Visible = False
        Panel2.Visible = True
        management()
    End Sub
    Public Function manager(ByVal mana As String)
        Return Server.UrlEncode(mana)
    End Function
End Class