<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<%= DateTime.Now %>
<asp:Button ID="Button2" runat="server" Text="Button" />
</ContentTemplate>
</asp:UpdatePanel>
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
</form>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<%= DateTime.Now %>
<asp:Button ID="Button2" runat="server" Text="Button" />
</ContentTemplate>
</asp:UpdatePanel>
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
</form>
cs
protected void Page_Load(object sender, EventArgs e)
{
ScriptManager.GetCurrent(this).RegisterAsyncPostBackControl(this.Button1);
ScriptManager.GetCurrent(this).RegisterPostBackControl(this.Button2);
}
protected void Button1_Click(object sender, EventArgs e)
{
this.UpdatePanel1.Update();
}
{
ScriptManager.GetCurrent(this).RegisterAsyncPostBackControl(this.Button1);
ScriptManager.GetCurrent(this).RegisterPostBackControl(this.Button2);
}
protected void Button1_Click(object sender, EventArgs e)
{
this.UpdatePanel1.Update();
}