除了 Album 之外，如何在 SQL 查询中使用artistParam 以便 where 子句有 2 个参数？

问题描述

我需要获取传入的 url 参数 Artist (artistParam) 并将其添加到沿 Artist 的传出 sql 查询中。完成后的查询如下所示：SELECT disTINCT Tracks,disc,discs,Artist,Album,SortAlbum,Genre,Year FROM dbo.c_mymusic_albums WHERE (Artist = @Artist) AND ArtistParam=Artist ORDER BY SortAlbum 感谢您的帮助！

aspx 页面代码： 艺术家

<p class="w3-container" id="artistParam" ></p>

<h2 class="w3-container" style="color:blue;">Albums</h2>

<script>
    type = "text/javascript"
    document.getElementById("artistParam").innerHTML = location.search.substring(1).substring(7,150).replaceAll("+"," ").replaceAll("%2f","/").replace("%26","&").replaceAll("%2b","+").replace("%2c",",").replaceAll("%27","'");
</script>

<h4 style="padding-left:15px">
    Album Tracks disc discs Genre Year
</h4>
<asp:sqlDataSource ID="sqlDataSourceAlbums" runat="server" 
    ConnectionString="Data Source=A2NWPLSK14sql-v05.shr.prod.iad2.secureserver.net;Initial Catalog=MP3MetaData;Integrated Security=False;User ID=steveo; Password=Fu38wc^0" 
    ProviderName="System.Data.sqlClient" SelectCommand="SELECT disTINCT Tracks,Year FROM dbo.c_mymusic_albums WHERE (Artist = @Artist) ORDER BY SortAlbum"></asp:sqlDataSource>
<asp:DataList class="w3-container" ID="DataListAlbums" CellSpacing="3" runat="server" DataSourceID="sqlDataSourceAlbums" ItemStyle-Wrap="false">
    <ItemTemplate>  
        <%--<asp:HyperLink ID="HyperLinkAlbums" runat="server" NavigateUrl='<%# "Songs.aspx?Album=" + HttpUtility.UrlEncode(Eval("Album").ToString()) %>' Text='<%# Eval("Album") %>' />--%>
         <table class="table">  
            <tr> 
                <td>
                    <script>
                        artistParam
                    </script>
                    <asp:HyperLink ID="HyperLinkAlbum" runat="server" NavigateUrl='<%# "Songs.aspx?Album=" + HttpUtility.UrlEncode(Eval("Album").ToString()) %>' Text='<%# Eval("Album") %>' />
                </td> 
                <td>  
                    <%# Eval("Tracks") %><br />  
                </td>  
                <td>  
                    <%# Eval("disc") %><br />  
                </td> 
                <td>  
                    <%# Eval("discs") %><br />  
                </td>  
                <td>  
                    <%# Eval("Genre") %><br />  
                </td> 
                <td>  
                    <%# Eval("Year") %><br />  
                </td>  
            </tr>  
        </table>
    </ItemTemplate>
</asp:DataList>

背后的代码：

    protected void Page_Load(object sender,EventArgs e)
    {
        string _Artist = Request.QueryString.ToString();
        _Artist = _Artist.Substring(7,_Artist.Length - 7).Replace("+"," ").Replace("%26","&").Replace("%2b","+").Replace("%2f","/").Replace("%2c",");
        sqlDataSourceAlbums.SelectParameters.Add("Artist",_Artist);

    }

解决方法

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