How to add Please Wait message on a Button in asp.net c#

In this article, I will show you that how to add please wait message on button in asp.net C#, we can get this to use GetPostBackEventReference () this method.

Design:-

Source Code

    <form id="form1" runat="server">

    <div>

    <asp:button ID="btnmsg" runat="server" text="Submit" Width="209px" />

    </div>

    </form>

Code behind:-

protected void Page_Load(object sender, EventArgs e)

    {

        System.Threading.Thread.Sleep(5000);

        btnmsg.Attributes.Add("onclick", ClientScript.GetPostBackEventReference(btnmsg, "") + ";this.value='Please wait....';this.disabled = true;");

    }

Out-Put:-