When inserting record in MySQL using dataadpater, the primary key is not availabe after adpater.update. The key is autogen key How to get the back the primary key? OnRowupdateEvent?

Dear All, I can send the hash of a pdf file to the browser in asp.net using hidden field. However, how can I sign this digest data in the browser? Using Capicom or .NET framework? or ActiveX?

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 = System.Threading.Monitor.TryEnter(BlockingObj, 1); if (ret){ try { DialogResult result = MessageBox.Show("test", "", MessageBoxButtons.OKCancel, MessageBoxIcon.Question); } finally { System.Threading.Monitor.Exit(BlockingObj); } } } }