ASP.NET AJAX UpdatePanel Triggers

ASP.NET AJAX UpdatePanel Triggers

Hello everyone, I'm going to share to code sample for triggers in update panel using asp.net with c#








In the 1st step

code sample for .aspx view page

<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
    <asp:ScriptManager EnablePartialRendering="true" ID="ScriptManager1" runat="server">
    </asp:ScriptManager>

    <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
        <ContentTemplate>
            <asp:Label ID="Label1" runat="server"></asp:Label>
            <asp:Button ID="Button1" runat="server" Text="Click Me ?"
                onclick="Button1_Click"  />
        </ContentTemplate>

        <Triggers>
            <asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click" />
        </Triggers>
    </asp:UpdatePanel>
</asp:Content>


In the 2nd step

code sample for .aspx.cs page

public partial class _Default : System.Web.UI.Page
{
        /// Button click event.
        protected void Button1_Click(object sender, EventArgs e)
        {
            String strDateTime = DateTime.Now.ToLongTimeString();
            Label1.Text = strDateTime;
        }
}



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