对Dictionary的理解

来源:互联网 发布:jquery.cookie.js用法 编辑:程序博客网 时间:2024/06/08 07:31

当你把字典声明的静态时,关闭网页后,你存储的数据仍然会存储在内存中,例如:

前台代码:

    <div>
   
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click1" Text="查询" />
        <asp:Button ID="Button2" runat="server" OnClick="Button2_Click1" Text="保存" />
        <br />
        <asp:TextBox ID="TextBox2" runat="server" Height="158px" TextMode="MultiLine" Width="225px"></asp:TextBox>
   
    </div>

后台代码:

        static Dictionary<string, string> di = new Dictionary<string, string>();

        protected void Button2_Click1(object sender, EventArgs e)
        {
            di.Add(TextBox1.Text, TextBox2.Text);
        }

        protected void Button1_Click1(object sender, EventArgs e)
        {
            if (di.ContainsKey(TextBox1.Text))
            {
                string neirong = di[TextBox1.Text];
                TextBox2.Text = neirong;
            }
        }

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