Install first asp.net ajax ExtensionsThis feature is a client-side feature that provides. NET 2.0 development Ajax
Next InstallMicrosoft asp.net 2.0 AJAX Templates for Visual Studio 2008Template Kits
This allows you to select an Ajax template in vs2008
However, you must modify the Web.config settings to specify a specific component version
The easiest way to do this is to create a new AJAX page and then copy the Web.config content from the old page without adding some overlay.
Add the following settings
Copy Code code as follows:
<pages>
<controls>
<add tagprefix= "asp" namespace= "System.Web.UI" assembly=, System.Web.Extensions, version=1.0.61025.0 Neutral, publickeytoken=31bf3856ad364e35 "/>
</controls>
</pages>
Next Join
Copy Code code as follows:
<compilation debug= "true" strict= "false" explicit= "true" >
<assemblies>
<add assembly= "System.Web.Extensions, version=1.0.61025.0, culture=neutral, publickeytoken=31bf3856ad364e35"/ >
<add assembly= "System.Web.Extensions.Design, version=1.0.61025.0, Culture=neutral, publickeytoken= 31bf3856ad364e35 "/>
</assemblies>
</compilation>
Create a new page and copy the following code:
Copy Code code as follows:
<form id= "Form1" runat= "Server" >
<asp:scriptmanager id= "ScriptManager1" runat= "Server"/>
<div>
<asp:updatepanel id= "UpdatePanel1" runat= "Server" >
<ContentTemplate>
<label runat= "Server" id= "Labletime" >
</label>
<% =datetime.now.tostring ()%>
<asp:button id= "Button3" runat= "Server" text= "Update" onclick= "Button2_Click"/>
<asp:timer id= "Timer1" runat= "Server" interval= "1000" >
</asp:Timer>
</ContentTemplate>
<Triggers>
<asp:asyncpostbacktrigger controlid= "Button2" eventname= "click"/>
</Triggers>
</asp:UpdatePanel>
<br/>
<% =datetime.now.tostring ()%>
<asp:button id= "Button2" runat= "Server" text= "Update" onclick= "Button2_Click"/>
<asp:button id= "Button1" runat= "Server" text= "Update"/>
</div>
</form>
Background:
Copy Code code as follows:
protected void button2_click (object sender, EventArgs e)
{
Labletime.innertext = DateTime.Now.ToString ();
}
Run, the successful implementation of no refresh.
