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ASP.NET 2.0里轻松获取数据库连接统计数据

作者：佚名      ASP.NET网站开发编辑：admin      更新时间：2022-07-23

    asp.net 2.0中的SqlConnection多了一个StatisticsEnabled属性和ResetStatistics()、RetrieveStatistics()两个方法，用于获取SQLServer的连接统计数据。

<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<%@ page language="C#" %>
<script runat="server">
    void Page_Load(object sender, EventArgs e)
    {
        string connString = "Northwind的连接串";
        SqlConnection conn = new SqlConnection(connString);
        conn.StatisticsEnabled = true;
        conn.ResetStatistics();
        conn.Open();
        SqlCommand cmd = new SqlCommand("SELECT * FROM Orders", conn);
        SqlDataReader reader = cmd.ExecuteReader();
        reader.Close();
        conn.Close();

        Hashtable ht = (Hashtable)conn.RetrieveStatistics();
        foreach (string key in ht.Keys)
        {
            Label1.Text += "Key: " + key + " = " + ht[key] + "<BR />";
        }
    }
</script>
<html>
<head id="Head1" runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="Form1" runat="server" autocomplete="on">
        <asp:Label ID="Label1" Runat="server" Text=""></asp:Label>
    </form>
</body>
</html>

运行后的结果就是SQLServer连接统计数据结果：

Key: NetworkServerTime = 0
Key: BytesReceived = 156913
Key: UnPReparedExecs = 1
Key: SumResultSets = 1
Key: SelectCount = 1
Key: PreparedExecs = 0
Key: ConnectionTime = 30
Key: ExecutionTime = 30
Key: Prepares = 0
Key: Bufferssent = 1
Key: SelectRows = 830
Key: ServerRoundtrips = 1
Key: CursorOpens = 0
Key: Transactions = 0
Key: BytesSent = 48
Key: BuffersReceived = 20
Key: IduRows = 0
Key: IduCount = 0