perdonami ......
mi spiace che devo essere sempre io ....
cmq... spero ti sia utile...
------------------------------------------------------------
Server Error in '/Ricciolo' Application.
--------------------------------------------------------------------------------
Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Line 24: ListDictionary h = new ListDictionary();
Line 25: for (int x = 0; x < 50; x++)
Line 26: h.Add(list.SelectedItem.Text + "-" + x.ToString(), x.ToString());
Line 27:
Line 28: countries.DataSource = h;
Source File: D:\Domini\www.xmlroot.it\ricciolo\clientpage.aspx.cs Line: 26
Stack Trace:
[NullReferenceException: Object reference not set to an instance of an object.]
ASPItalia.com.ClientCallback.DefaultPage.list_SelectedIndexChanged(Object sender, EventArgs e) in D:\Domini\www.xmlroot.it\ricciolo\clientpage.aspx.cs:26
System.Web.UI.WebControls.ListControl.OnSelectedIndexChanged(EventArgs e) +108
ASPItalia.com.ClientCallback.ListBox.RaiseCallbackEvent(String data) +13
ASPItalia.com.ClientCallback.ClientPage.raiseClientCallback(String clientCallbackData, String controlID) +85
ASPItalia.com.ClientCallback.ClientPage.processRequest(HttpContext context, String controlID, String clientCallbackData) +34
ASPItalia.com.ClientCallback.ClientPage.System.Web.IHttpHandler.ProcessRequest(HttpContext context) +340
------------------------------------------------------------
