点击后禁用按钮直到操作完成

2023-09-16 12:11:51 墨初知识笔记 57阅读

已经很久没写东西了。今天他把写给同事的一段代码改了一下，分享出来。此代码用于在单击按钮后禁用按钮，直到操作完成。有更好的方法大家一起讨论！%@PageLanguage='C#'%！DOCTYPEhtmlPUBLIC '-//W3C//dtdxhtml 1.0 transitional//EN ' ' ' script runat=' server ' protectedvoidpage _ Load(object sender，EventArgse){btn。属性. add(' onclickpan style=' background-color : rgba(245，245，245，1)；color: rgba(0，0，0，1)" "，第页GetPostBackEventReference(btn，' ')'this . value=' submitting this . disabled=true ')；lbtn .属性。添加(' onclick '' this。innertext=' Submitting ')；this . disabled=true’)；ibtn .属性。添加(' onclick

n style="background-color: rgba(245, 245, 245, 1); color: rgba(0, 0, 0, 1)">",
            Page.GetPostBackEventReference (ibtn, "") +
            ";this.alt='Submitting';this.disabled = true;");

        //
        // ASP.NET 2.0 above
        //
        //btn.Attributes.Add ("onclick",
        //    ClientScript.GetPostBackEventReference (btn, "") +
        //    ";this.value='Submitting';this.disabled = true;");
        //lbtn.Attributes.Add ("onclick",
        //    "this.innerText='Submitting';this.disabled = true;");
        //ibtn.Attributes.Add ("onclick",
        //    ClientScript.GetPostBackEventReference (ibtn, "") +
        //    ";this.alt='Submitting';this.disabled = true;");
        //
        // OR
        //
        //btn.OnClientClick =
        //    ClientScript.GetPostBackEventReference (btn, "") +
        //    ";this.value='Submitting';this.disabled = true;";
        //lbtn.OnClientClick = "this.innerText='Submitting';this.disabled = true;";
        //ibtn.OnClientClick = ClientScript.GetPostBackEventReference (ibtn, "") +
        //    ";this.alt='Submitting';this.disabled = true;";
    }
    protected void btn_Click (object sender, EventArgs e)
    {
        System.Threading.Thread.Sleep (2000);
        Label1.Text = DateTime.Now.ToString ();
    }

    protected void lbtn_Click (object sender, EventArgs e)
    {
        LinkButtonClickCount++;
        System.Threading.Thread.Sleep (2000);
        Label1.Text = "link button:" + DateTime.Now.ToString ()
            + "<br/>count:" + LinkButtonClickCount.ToString ();
    }

    protected void ibtn_Click (object sender, ImageClickEventArgs e)
    {
        ImageButtonClickCount++;
        System.Threading.Thread.Sleep (2000);
        Label1.Text = "image button:" + DateTime.Now.ToString ()
            + "<br/>count:" + ImageButtonClickCount.ToString ();
    }

    int LinkButtonClickCount
    {
        get
        {
            object tmp = ViewState["LinkButtonClickCount"];
            return (tmp == null) ? 0 : (int)tmp;
        }
        set { ViewState["LinkButtonClickCount"] = value; }
    }
    int ImageButtonClickCount
    {
        get
        {
            object tmp = ViewState["ImageButtonClickCount"];
            return (tmp == null) ? 0 : (int)tmp;
        }
        set { ViewState["ImageButtonClickCount"] = value; }
    }
</script>

<html xmlns="">
<head runat="server">
    <title>无标题页</title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <asp:Button ID="btn" runat="server" Text="What time is it, please!"
            OnClick="btn_Click" />
            <asp:LinkButton ID="lbtn" runat="server" OnClick="lbtn_Click">
        What time is it, please!</asp:LinkButton>
            <asp:ImageButton ID="ibtn" runat="server"
              AlternateText="What time is it, please!"
              Height="30px" OnClick="ibtn_Click"
              ImageUrl=""
            />
            <br />
            <asp:Label ID="Label1" runat="server" Text=""></asp:Label>
        </div>
    </form>
</body>
</html>

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