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 検索キーワードの背景をクリーム色にし、検索キーワードが本文中のどこに存在する
かがひと目でわかる様に強調表示する方法を確認した。 09/10/17

【方法】
#ref(RowDataBound.JPG);
 Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs)
     Dim SplitKeyWords As String() = TextBox1.Text.Split("  ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries) ' 全角と半角のスペース
     If e.Row.RowType = DataControlRowType.DataRow Then
         For i As Integer = 0 To e.Row.Cells.Count - 1
             For j As Integer = 0 To SplitKeyWords.Length - 1
                 e.Row.Cells(i).Text = e.Row.Cells(i).Text.Replace(SplitKeyWords(j), "<B Style='background-color:#fff495'>" & SplitKeyWords(j) & "</B>")
             Next
         Next
     End If
 End Sub

開発環境:VWD2005 + Access2003
サーバ:ASP.NET2.0 + Access2003

【機能】GridViewの検索キーワードの背景がクリーム色になり強調され、本文中の検索キーワードがひと目で把握できる。

【稼働画面】
#ref(KeyWordEmphasize01.JPG);

Accessデータベース名:MeiboDB.mdb
テーブル名:MeiboTable2
|~フィールド名|~データ型|~フィールドサイズ|
|ID (主キー)|オートナンバー型|長整数型|
|namae|テキスト型|50|
|syussin|テキスト型|50|

※VWD2005、ASP.NET2.0環境ではAccess2007のDBファイル形式(*.accdb)は利用できな
い模様。DBファイルは「Acces2002-2003形式(*.mdb)」で保存して利用する。


「キーワード検索」機能稼働ページの全コード
【KeyWordEmphasize01.aspx】
 <%@ Page Language="VB" %>
 
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
 <script runat="server">
 
     Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs)
         'スペースで区切られた単語のand検索を行う
         'TextBoxが空の場合は全件を表示
         AccessDataSource1.SelectParameters.Clear() 'パラメータをクリア 
         AccessDataSource1.SelectCommand = "SELECT [ID], [namae], [syussin] FROM [MeiboTable2]"
         Dim wa As String = " WHERE "
         Dim SplitKeyWords As String() = Me.TextBox1.Text.Split("  ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries) ' 全角と半角のスペース
         For i As Integer = 0 To SplitKeyWords.Length - 1
             AccessDataSource1.SelectParameters.Add("KeyWord" & i, "%" & SplitKeyWords(i) & "%")
             AccessDataSource1.SelectCommand &= wa & "(namae LIKE @KeyWord" & i & " OR syussin LIKE @KeyWord" & i & ")"
             wa = " AND "
         Next
     End Sub
    
     Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs)
         Dim SplitKeyWords As String() = TextBox1.Text.Split("  ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries) ' 全角と半角のスペース
         If e.Row.RowType = DataControlRowType.DataRow Then
             For i As Integer = 0 To e.Row.Cells.Count - 1
                 For j As Integer = 0 To SplitKeyWords.Length - 1
                     e.Row.Cells(i).Text = e.Row.Cells(i).Text.Replace(SplitKeyWords(j), "<B Style='background-color:#fff495'>" & SplitKeyWords(j) & "</B>")
                 Next
             Next
         End If
     End Sub
 </script>
 
 <html xmlns="http://www.w3.org/1999/xhtml" >
 <head runat="server">
     <title>検索キーワードの背景をクリームにし強調表示</title>
 </head>
 <body>
     <form id="form1" runat="server">
     <div>
         検索キーワードの背景をクリームにし強調表示 09/10/17<br />
         <br />
         検索キーワード:<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
         <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="検索" /><br />
         &nbsp;
         <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="ID"
             DataSourceID="AccessDataSource1" EmptyDataText="表示するデータ レコードがありません。" CellPadding="4" ForeColor="#333333" GridLines="Vertical" OnRowDataBound="GridView1_RowDataBound">
             <Columns>
                 <asp:BoundField DataField="ID" HeaderText="ID" ReadOnly="True" SortExpression="ID" />
                 <asp:BoundField DataField="namae" HeaderText="namae" SortExpression="namae" />
                 <asp:BoundField DataField="syussin" HeaderText="syussin" SortExpression="syussin" />
             </Columns>
             <RowStyle BackColor="#E3EAEB" />
             <FooterStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" />
             <PagerStyle BackColor="#666666" ForeColor="White" HorizontalAlign="Center" />
             <SelectedRowStyle BackColor="#C5BBAF" Font-Bold="True" ForeColor="#333333" />
             <HeaderStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" />
             <AlternatingRowStyle BackColor="White" />
             <EditRowStyle BackColor="#7C6F57" />
         </asp:GridView>
         <asp:AccessDataSource ID="AccessDataSource1" runat="server" DataFile="App_Data\MeiboDB.mdb"
             DeleteCommand="DELETE FROM `MeiboTable2` WHERE `ID` = ?"
             InsertCommand="INSERT INTO `MeiboTable2` (`ID`, `namae`, `syussin`) VALUES (?, ?, ?)"
             SelectCommand="SELECT `ID`, `namae`, `syussin` FROM `MeiboTable2`"
             UpdateCommand="UPDATE `MeiboTable2` SET `namae` = ?, `syussin` = ? WHERE `ID` = ?">
             <DeleteParameters>
                 <asp:Parameter Name="ID" Type="Int32" />
             </DeleteParameters>
             <InsertParameters>
                 <asp:Parameter Name="ID" Type="Int32" />
                 <asp:Parameter Name="namae" Type="String" />
                 <asp:Parameter Name="syussin" Type="String" />
             </InsertParameters>
             <UpdateParameters>
                 <asp:Parameter Name="namae" Type="String" />
                 <asp:Parameter Name="syussin" Type="String" />
                 <asp:Parameter Name="ID" Type="Int32" />
             </UpdateParameters>
         </asp:AccessDataSource>
         <br />
     
     </div>
     </form>
 </body>
 </html>


【参考にしたページ】
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- 1 -- [[1]] &new{2012-07-09 (月) 09:15:58};
- 1 -- [[1]] &new{2012-07-09 (月) 09:16:01};
- 1 -- [[-1']] &new{2012-07-09 (月) 09:16:02};
-- 1' -- [[1]] &new{2012-07-09 (月) 09:16:03};
- 1 -- [[1]] &new{2012-07-09 (月) 09:16:04};
- 1 -- [[1]] &new{2014-11-03 (月) 21:24:49};
- 1 -- [[1]] &new{2014-11-03 (月) 21:24:51};
- 1 -- [[-1']] &new{2014-11-03 (月) 21:24:52};
-- 1' -- [[1]] &new{2014-11-03 (月) 21:24:53};
- 1 -- [[1]] &new{2014-11-03 (月) 21:24:54};
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