lh_info.aspx

来自「ASP.NET开发实战详解」· ASPX 代码 · 共 274 行

<%@ Page Language="VB" Debug="true" %>
<%@ import Namespace="system.data" %>
<%@ import Namespace="system.data.sqlclient" %>
<script runat="server">

    dim Cnn as sqlconnection
              dim cmd as sqlcommand
              Sub Page_Load(Sender As Object, E As EventArgs)
                  If Not IsPostBack Then
         If Session("curruser") = "" Then
            Response.Redirect("../index.aspx")
         End If
                    BindGrid()
                  End If
              End Sub
    
              Sub Save_Click(Sender As Object, E As EventArgs)
                  dim CodeStr as string=code.text
                  dim NameStr as string=name.text
                  dim typeStr as string=type.text
                  dim agestr as string=age.text
                  dim numstr as string=num.text
                  dim dwstr as string=dw.text
                  dim xxstr as string=xx.text
                  dim tdstr as string=td.text
                  dim memostr as string=memo.text
                  dim sql as string
                  dim dataR as sqldatareader
                  cnn=new sqlconnection(configurationsettings.appsettings("connection"))
                  cnn.open()
    
                  sql="select * from lh_zbINFo where code='" & codestr & "'"
                  cmd=new sqlcommand(sql,cnn)
                  datar=cmd.executereader()
                  if datar.read() then
                    page.registerstartupscript("",getalertinfo("该植被编码已经存在，无法保存！"))
                  else
                    datar.close()
                    sql="insert into lh_zbinfo(code,name,ttype,age,num,dw,xx,td,memo) values('" & codestr & "','" & namestr & "','" & typestr & "'," & cint(agestr) & "," & cint(numstr) & ",'" & dwstr & "','" & xxstr & "','" & tdstr & "','" & memostr & "')"
                    cmd=new sqlcommand(sql,cnn)
                    cmd.executeNonQuery
                    cnn.close()
                    bindgrid()
		    call cleardata()	
                  end if
                  page.registerstartupscript("",getalertinfo("数据保存成功！"))
              End Sub

              Sub Clear_Click(Sender As Object, E As EventArgs)
		call cleardata()
              End Sub
    
	      sub cleardata()
        	code.text=""
		name.text=""
		type.text=""
		age.text=""
		num.text=""
		dw.text=""
		xx.text=""
		td.text=""	
		memo.text=""	          
              end sub
	    
   Sub LinkButton1_Click(ByVal sender As Object, ByVal e As System.EventArgs)
      MultiView1.ActiveViewIndex = 0
   End Sub
   
   Sub LinkButton2_Click(ByVal sender As Object, ByVal e As System.EventArgs)
      MultiView1.ActiveViewIndex = 1
   End Sub
   		    
                   Sub BindGrid()
                      dim dataR as sqldatareader
                      dim dtcmd as sqldataadapter
                      dim dt as new datatable
                      dim MaxPage as integer  '计算最大页数
                      dim str2 as string
                      dim Str1 as string
                 dim i as integer
                      dim sumrecord as integer
                      cnn=new sqlconnection(configurationsettings.appsettings("connection"))
                      str2="select count(*) as nums from lh_zbinfo"
                      cmd=new sqlcommand(str2,cnn)
                      cnn.open()
                      datar=cmd.executereader()
                      if datar.read() then
                         if datar("nums").tostring()="0" then
                            msg.text=""
                         else
                            msg.text="合计：记录数 " & datar("nums").tostring()
                         end if
                      end if
                      datar.close()
                      str1="select * from lh_zbinfo order by code"
                      dtcmd=new sqldataadapter(str1,cnn)
                      dtcmd.fill(dt)
                      if (dt.defaultview.count mod datagrid1.pagesize)>0 then
                         maxpage=dt.defaultview.count \datagrid1.pagesize+1
                      else
                         maxpage=dt.defaultview.count \datagrid1.pagesize
                      end if
                      do while datagrid1.currentpageindex>0
                         if maxpage<datagrid1.currentpageindex+1 then
                           datagrid1.currentpageindex=datagrid1.currentpageindex-1
                         else
                           exit do
                        end if
                      loop
                      datagrid1.datasource=dt
                      datagrid1.databind()
                 sumrecord=datagrid1.Items.count
                 for i=0 to sumrecord-1
                   dim LinkButton=Datagrid1.Items(i).Cells(8).Controls(0)
                   LinkButton.Attributes.Add("onclick","javascript:openwin('lh_info_mod.aspx?id=" & Datagrid1.Items(i).Cells(0).text & "')")
                      next
                      cnn.close()
                   End Sub
    
    
    
                   Sub Grid1_Mod(Sender as object,E as DataGridCommandEventArgs)
                       dim codestr as string=E.Item.Cells(0).Text
                       dim sql as string
                       dim url as string
                       if CType(e.CommandSource,LinkButton).CommandName="Delete" then
                          cnn=new sqlconnection(configurationsettings.appsettings("connection"))
                          cnn.open()
                          sql="delete from lh_zbinfo where code='" & codestr & "'"
                          cmd=new sqlcommand(sql,cnn)
                          cmd.executeNonQuery
                          cnn.close()
                          bindgrid()
                       end if
                   End Sub
    
                   Sub Grid1_PageIndexChanged(Sender As Object, E As DataGridPageChangedEventArgs)
                       datagrid1.CurrentPageIndex = e.NewPageIndex
                       BindGrid()
                   End Sub
    
    
              Function GetAlertInfo(byval str1 as string) as String
                  dim Str2 as String
                  str2="<script language='javascript'>alert('" & str1 & "')<"
                  str2+="/"
                  str2+="script>"
                  return trim(str2)
              End Function

</script>
<html>
<head>
    <title>绿化植被信息</title>
    <link href="../Main.css" type="text/css" rel="stylesheet" />
    <script language="javascript">
       function openwin(src)
       {
          var vDialog=null;
          vDialog=showModalDialog(src,window,"status:no;resizable:off;dialogHeight:500px;dialogWidth:750px;unadorne:yes;help:no");
          location.reload();
       }

    </script>
</head>
<body leftmargin="0" topmargin="0" background="../images/1.jpg">
    <form runat="server">
       <asp:Image ID="Image2" runat="server" ImageUrl="../images/pic1.gif" />
       <asp:LinkButton ID="LinkButton1" Font-Bold="True" Font-Size="X-Small" runat="server" OnClick="LinkButton1_Click" CausesValidation="False">植被信息查询</asp:LinkButton>&nbsp;&nbsp;
       <asp:Image ID="Image1" runat="server" ImageUrl="../images/pic1.gif" />
       <asp:LinkButton ID="LinkButton2" runat="server" Font-Bold="True" Font-Size="X-Small" OnClick="LinkButton2_Click" CausesValidation="False">植被信息增加</asp:LinkButton>
       <hr />
       <asp:MultiView ID="MultiView1" runat="server" ActiveViewIndex="0">
         <asp:View ID="View1" runat="server">        
                <table class="" id="search" cellspacing="1" cellpadding="0" width="95%" align="center" border="0">
                    <tbody>
                        <tr class="tr2">
                            <td style="PADDING-LEFT: 5px" height="25">
                                <asp:Label id="Msg" runat="server" forecolor="red"></asp:Label></td>
                        </tr>
                        <tr>
                            <td style="PADDING-LEFT: 5px" height="25">
                                <asp:DataGrid id="DataGrid1" runat="server" width="100%" OnPageIndexChanged="Grid1_PageIndexChanged" AllowSorting="True" AllowPaging="True" Font-Names="verdana" bordercolor="Black" cellpadding="2" font-name="verdana" font-size="8pt" headerstyle-backcolor="#F8FAFC" OnItemCommand="Grid1_Mod" AutoGenerateColumns="False" PageSize="10">
                                    <HeaderStyle font-bold="True" horizontalalign="Center" verticalalign="Middle" backcolor="#F8FAFC"></HeaderStyle>
                                    <PagerStyle nextpagetext="下一页" font-names="宋体" font-bold="True" prevpagetext="上一页" horizontalalign="Right" forecolor="Blue" mode="NumericPages"></PagerStyle>
                                    <EditItemStyle backcolor="#E9F0F8"></EditItemStyle>
                                    <Columns>
                                        <asp:BoundColumn DataField="Code" HeaderText="植被编码"></asp:BoundColumn>
                                        <asp:BoundColumn DataField="Name" HeaderText="植被名称"></asp:BoundColumn>
                                        <asp:BoundColumn DataField="ttype" HeaderText="种类"></asp:BoundColumn>
                                        <asp:BoundColumn DataField="age" HeaderText="树龄"></asp:BoundColumn>
                                        <asp:BoundColumn DataField="num" HeaderText="数量"></asp:BoundColumn>
                                        <asp:BoundColumn DataField="dw" HeaderText="单位"></asp:BoundColumn>
                                        <asp:BoundColumn DataField="xx" HeaderText="习性"></asp:BoundColumn>
                                        <asp:BoundColumn DataField="memo" HeaderText="备注"></asp:BoundColumn>
                                        <asp:ButtonColumn Text="修改" HeaderText="修改" CommandName="modiinfo"></asp:ButtonColumn>
                                        <asp:ButtonColumn Text="删除" HeaderText="删除" CommandName="Delete"></asp:ButtonColumn>
                                    </Columns>
                                </asp:DataGrid>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </asp:View>
            <asp:View ID="View2" runat="server">
                <br />
                <table id="search" cellspacing="1" cellpadding="0" width="80%" align="center" border="0">
                    <tbody>
                        <tr class="tr4">
                            <td height="40">
                                植被编号
                                <asp:TextBox class="input_text" id="code" runat="server" width="140"></asp:TextBox>
                            </td>
                            <td>
                                植被名称
                                <asp:TextBox class="input_text" id="name" runat="server" width="140"></asp:TextBox>
                            </td>
                            <td>
                                所属种类
                                <asp:TextBox class="input_text" id="type" runat="server" width="140"></asp:TextBox>
                            </td>
                        </tr>
                        <tr class="tr4">
                            <td width="34%" height="40">
                                树&nbsp;&nbsp;&nbsp;&nbsp;龄
                                <asp:TextBox class="input_text" id="age" runat="server" width="140"></asp:TextBox>
                            </td>
                            <td width="33%">
                                数&nbsp;&nbsp;&nbsp;&nbsp;量
                                <asp:TextBox class="input_text" id="num" runat="server" width="140"></asp:TextBox>
                            </td>
                            <td width="33%">
                                单&nbsp;&nbsp;&nbsp;&nbsp;位
                                <asp:TextBox class="input_text" id="dw" runat="server" width="140"></asp:TextBox>
                            </td>
                        </tr>
                        <tr class="tr4">
                            <td colspan="3" height="40">
                                习&nbsp;&nbsp;&nbsp;&nbsp;性
                                <asp:TextBox class="input_text" id="xx" runat="server" width="560"></asp:TextBox>
                            </td>
                        </tr>
                        <tr class="tr4">
                            <td colspan="3" height="40">
                                特&nbsp;&nbsp;&nbsp;&nbsp;点
                                <asp:TextBox class="input_text" id="td" runat="server" width="560"></asp:TextBox>
                            </td>
                        </tr>
                        <tr class="tr4">
                            <td colspan="3" height="40">
                                备&nbsp;&nbsp;&nbsp;&nbsp;注
                                <asp:TextBox class="input_text" id="memo" runat="server" width="560"></asp:TextBox>
                            </td>
                        </tr>
                        <tr class="tr4">
                            <td valign="bottom" align="middle" colspan="3" height="130">
                                <asp:button class="input_button" id="SaveBtn" onclick="Save_Click" runat="server" text="保  存"></asp:button>
				&nbsp;&nbsp;&nbsp;&nbsp;
                                <asp:button class="input_button" id="ClearBtn" onclick="Clear_Click" runat="server" text="清  空"></asp:button>
                                <br />
                                <br />
                                <asp:RequiredFieldValidator id="Requiredfieldvalidator1" runat="server" ErrorMessage="*" ControlToValidate="code">植被编码不可为空</asp:RequiredFieldValidator>
                                <br />
                                <asp:RequiredFieldValidator id="Requiredfieldvalidator2" runat="server" ErrorMessage="*" ControlToValidate="name">植被名称不可为空</asp:RequiredFieldValidator>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </asp:View>
        </asp:MultiView>
    </form>
</body>
</html>