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• Re: Error in Design view when using ConfirmButtonExtender for ButtonControl

  Hi, I don't know what the problem was but it worked just fine without errors once I closed my Visual Dev and open the project again. Thanks any way for help Csharplearner

  Posted to ASP.NET AJAX Control Toolkit (Forum) by csharplearner on 10/23/2008

• Re: Error in Design view when using ConfirmButtonExtender for ButtonControl

  I have download AJAX Control toolkit apart from .NET Framework 3.5 I have also downloaded Visual Web Dev 2008. Do we have to download Microsoft AJAX Library 3.5 too?

  Posted to ASP.NET AJAX Control Toolkit (Forum) by csharplearner on 10/23/2008

• Re: Error in Design view when using ConfirmButtonExtender for ButtonControl

  Did you try in Visual Web Developer Express edition?

  Posted to ASP.NET AJAX Control Toolkit (Forum) by csharplearner on 10/23/2008

• Re: Error in Design view when using ConfirmButtonExtender for ButtonControl

  1 < %@ Page Language= "C#" AutoEventWireup= "true" CodeBehind= "Default.aspx.cs" Inherits= "AjaxEnableWebApp_Simple._Default" %> 2 3 < %@ Register assembly= "AjaxControlToolkit" namespace= "AjaxControlToolkit" tagprefix= "cc1" %> 4 5 < !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 6 7 < html xmlns= "http://www

  Posted to ASP.NET AJAX Control Toolkit (Forum) by csharplearner on 10/23/2008

• Error in Design view when using ConfirmButtonExtender for ButtonControl

  When I add "ConfirmButttonExtender" to the button using Visual Web Developer Express Edition, I am getting "Error Creating Control- UpdatePanel1 'asp:UpdatePanel' could not be set on property 'ContentTemplate' " in the design window. By just ignoring the error, I have ran the page and the extender does work though. Could somebody help as to why it is showing the error mentioned in the design view? Thanks in advance Csharplearner

  Posted to ASP.NET AJAX Control Toolkit (Forum) by csharplearner on 10/23/2008

• Re: Understanding Iterators-IEnumerator/IEnumerable-foreach loop

  [quote user="rjcox"] No, because there are cases where the compiler will enumerate a collection without actually using an IEnumerator (i.e. other cases are directly supported). [/quote] can you shoot an example for this? BTW could you suggest any good book other than Andrew Troelsen's book for having getting good foundations/grip on C#?

  Posted to C# (Forum) by csharplearner on 3/19/2008

• Re: Understanding Iterators-IEnumerator/IEnumerable-foreach loop

  [quote user="rjcox"] [quote user="csharplearner"] [quote user="rjcox"] It handles the case where my_collection explictly implements IEnumerable; i.e. the GetEnumerator method is only available by explicitly converting (cast, or via a variable with the interface's type) to the interface. [/quote] So Richard, does it explicitly casts at all times to see whether the collection is IEnumerable? [/quote] Sorry, don't follow. What is "it"? [/quote] Richard

  Posted to C# (Forum) by csharplearner on 3/19/2008

• Re: Understanding Iterators-IEnumerator/IEnumerable-foreach loop

  [quote user="rjcox"] [quote user="csharplearner"] 1 IEnumerator enumer = ( (IEnumerable) my_collection).GetEnumerator(); 2 while (enumer.MoveNext()) 3 { 4 string g = ( string )enumer.Current(); 5 Console.WriteLine( "string is {0}" , s); 6 } While, I totally understand the sequence of steps that take place under the hood and concur with Mark Doyle, I fail to understand as to why he is typecasting with IEnumerable in line #1 in second part of the above code. Could you

  Posted to C# (Forum) by csharplearner on 3/18/2008

• Re: Understanding Iterators-IEnumerator/IEnumerable-foreach loop

  Mark sorry for bugging you but let me ask you the question in a different way [smile]. For the matter of clarity, I will present the code here again 1 foreach ( string s in my_collection) 2 { 3 //traverse through my_collection list/array and output it to the console 4 5 Console.WriteLine( "string is {0}" , s); 6 } would look something like this under the hood: 1 IEnumerator enumer = ( (IEnumerable) my_collection).GetEnumerator(); 2 while (enumer.MoveNext()) 3 { 4 string g = ( string )enumer

  Posted to C# (Forum) by csharplearner on 3/18/2008

• Re: Understanding Iterators-IEnumerator/IEnumerable-foreach loop

  [quote user="doyleits"] The idea is that the foreach loop doesn't know the specific class, namespace, assembly, etc, being returned from a collection's GetEnumerator() method. Instead it is relying on the IEnumerator interface as a "window" into that object / collection. That's the whole idea behind Interfaces - you are guaranteed a "signature" giving you what you need to perform a specific action. In this case, both foreach and this while loop depend upon

  Posted to C# (Forum) by csharplearner on 3/18/2008