书城计算机网络综合应用软件设计
8724600000050

第50章 软件工程实例——构件库管理系统(14)

Response.Redirect(url)

End Sub

End Class

8.构件模糊查询页面

说明:以下代码为按功能模糊查询的页面vb代码,按作者,类别,项目,名称模糊查询页面的查询代码与之相仿。

页面1

Imports System.Data

Imports System.Data.SqlClient

Public Class ComponentFunctionSearch

Inherits System.Web.UI.Page

Protected WithEvents imabtnSearch As System.Web.UI.WebControls.ImageButton

Protected WithEvents ddroplChoise As System.Web.UI.WebControls.DropDownList

Protected WithEvents mydatalist As System.Web.UI.WebControls.DataList

Protected WithEvents lblKeyshow As System.Web.UI.WebControls.Label

Protected WithEvents lblchoise As System.Web.UI.WebControls.Label

Protected WithEvents txtKey As System.Web.UI.WebControls.TextBox

#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。

Private Sub InitializeComponent()

End Sub

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

Private Sub Page_Load(ByVal sender As System.Object,ByVal e As System.EventArgs)Handles MyBase.Load

If Not(Page.IsPostBack)Then

Dim Ds As DataSet

Dim Key As String

Dim choise As String

Dim url As String

Dim mycomm As SqlCommand

Dim MyConnection As SqlConnection

Dim MyCommand As SqlDataAdapter

MyConnection=New SqlConnection(”server=(local);database=Componentsystem;trusted_connection=yes”)

MyConnection.Open()

Key=Request.QueryString.Item(”txtkey.text”)

choise=Request.QueryString.Item(”choise”)

lblKeyshow.Text=”关键字:”+Key

lblchoise.Text=”查询选项:”+choise

mycomm=New SqlCommand(”select count(ComponentFunctionName) from view_Function where ComponentFunctionName like’%”+Key+”%’”,MyConnection)

If(CType(mycomm.ExecuteScalar(),Integer)=0)Then

url=”NoData.aspx?txtKey.text=”+Key+”&;choise=”+choise

Response.Redirect(url)

End If

MyCommand=New SqlDataAdapter(”select ComponentFunctionName,ComponentName,ComponentIntroduction,FunctionDeion from view_Function where ComponentFunctionName like’%”+Key+”%’”,MyConnection)

Ds=New DataSet()

MyCommand.Fill(Ds,”goujian”)

mydatalist.DataSource=Ds.Tables(”goujian”).DefaultView

mydatalist.DataBind()

End If

End Sub

Private Sub imabtnSearch_Click(ByVal sender As System.Object,ByVal e AsSystem.Web.UI.ImageClickEventArgs)Handles imabtnSearch.Click

Dim val As String

Dim Choise As String

Dim url As String

Choise=ddroplChoise.SelectedItem.Text

If(txtKey.Text=””)Then

url=”error.aspx?Choise=”+Choise

Response.Redirect(url)

Else

If(Choise=”构件名称”)Then

url=”Componentnamesearch.aspx?txtKey.text=”+Trim(txtKey.Text)+”&;choise=”+Choise

Response.Redirect(url)

End If

If(Choise=”构件功能”)Then

url=”ComponentFunctionSearch.aspx?txtKey.text=”+Trim(txtKey.Text)+”

&;choise=”+Choise

Response.Redirect(url)

End If

If(Choise=”构件项目”)Then

url=”ProjectSearch.aspx?txtKey.text=”+Trim(txtKey.Text)+”&;choise=”+Choise

Response.Redirect(url)

End If

If(Choise=”构件作者”)Then

url=”CreatorSearch.aspx?txtKey.text=”+Trim(txtKey.Text)+”&;choise=”+Choise

Response.Redirect(url)

End If

If(Choise=”构件类别”)Then

url=”CategorySearch.aspx?txtKey.text=”+Trim(txtKey.Text)+”&;choise=”+Choise

Response.Redirect(url)

End If

End If

End Sub

End Class

页面2

Imports System.Data

Imports System.Data.SqlClient

Public Class MoreVerBasicInf

Inherits System.Web.UI.Page

Protected WithEvents imabtnSearch As System.Web.UI.WebControls.ImageButton

Protected WithEvents ddroplChoise As System.Web.UI.WebControls.DropDownList

Protected WithEvents txtKey As System.Web.UI.WebControls.TextBox

Protected WithEvents myDataList As System.Web.UI.WebControls.DataList

#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。

Private Sub InitializeComponent()End Sub

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

Private Sub Page_Load(ByVal sender As System.Object,ByVal e As System.EventArgs)Handles MyBase.Load

If Not(Page.IsPostBack)Then

Dim Ds As DataSet

Dim Key As String

Dim choise As String

Dim MyConnection As SqlConnection

Dim MyCommand As SqlDataAdapter

Dim ID As String

MyConnection=New SqlConnection(”server=(local);database=Componentsystem;trusted_connection=yes”)

MyConnection.Open()

Key=Request.QueryString.Item(”txtkey.text”)

choise=Request.QueryString.Item(”choise”)

ID=Request.QueryString(”VersionID”)

MyCommand=New SqlDataAdapter(”select*from View_DownLoad where VersionID=’”

+ID+”’”,MyConnection)

Ds=New DataSet()

MyCommand.Fill(Ds,”goujian”)

myDataList.DataSource=Ds.Tables(”goujian”).DefaultView

myDataList.DataBind()

End If

End Sub

Private Sub imabtnSearch_Click(ByVal sender As System.Object,ByVal e AsSystem.Web.UI.ImageClickEventArgs)Handles imabtnSearch.Click

Dim val As String

Dim Choise As String

Dim url As String

Choise=ddroplChoise.SelectedItem.Text

If(txtKey.Text=””)Then

url=”error.aspx?Choise=”+Choise

Response.Redirect(url)

Else

If(Choise=”构件名称”)Then

url=”Componentnamesearch.aspx?txtKey.text=”+Trim(txtKey.Text)+”

&;choise=”+Choise

Response.Redirect(url)

End If

If(Choise=”构件功能”)Then

url=”ComponentFunctionSearch.aspx?txtKey.text=”+Trim(txtKey.Text)+”

&;choise=”+Choise

Response.Redirect(url)

End If

If(Choise=”构件项目”)Then

url=”ProjectSearch.aspx?txtKey.text=”+Trim(txtKey.Text)+”&;choise=”+Choise

Response.Redirect(url)

End If

If(Choise=”构件作者”)Then

url=”CreatorSearch.aspx?txtKey.text=”+Trim(txtKey.Text)+”&;choise=”

+Choise