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Dear All, In a webform asp.net 3.5 page, there is a FormView with Insert, Edit template. In the Insert template, there is an insert button. How can I **prevent multiple insert button click** (prevent multiple records) ? By disabling the insert button after the first click? How to achieve this?

Dear All, I wrote a program in C# to start the powerpoint slide show using example of [url]http://support.microsoft.com/kb/303718[/url] . I wanted to update the content periodically using this C# program when the slide show is running. The content is an excel table. However, the content does not change. Anyway to …

Dear All, That's strange that when I use TryEnter in Timer event which triggers every 1 sec, the TryEnter() always returns true. Why there is such an error? public partial class Form1 : Form { private object BlockingObj = new object(); private void timer1_Tick(object sender, EventArgs e) { bool ret …