ASP.NET create a pop-up confirm message while clicking a button

Situation:

Want to create a pop-up confirm message while clicking a button.

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Solution:

try using,

< asp:Button ID="ooxx" runat="server" Text="Delete" OnCommand="ooxx" OnClientClick="return confirm('Sure to delete?');" >

ASP.NET update control which binding a datasource

Problem:

The data in database had been modified and wish to update the data presended in control.

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Solution:

Take a GridView, GridView1, binding to a SqlDataSource for example, you can try

GridView1.DataBind();

in your code.