asp.NetでTextBox WebサーバコントロールにOnClickイベントを追加

<asp:TextBox ID="TextBox1"  runat="server"></asp:TextBox>
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="     " style="display:none" />

// .aspx.cs
 protected void Page_Load(object sender, EventArgs e)
    ...{
        // 1.x
        // TextBox1.Attributes["onclick"] = Page.GetPostBackEventReference(Button1);        
        // 2.0
        TextBox1.Attributes["onclick"] = ClientScript.GetPostBackEventReference(Button1, null);
    }

    protected void Button1_Click(object sender, EventArgs e)
    ...{
        Response.Write(DateTime.Now);        
    }

 

    ：http://www.dotnetsky.net/netsave/ShowTopic-92646.html