FIX: The code in the InitializeComponent function is deleted when you change the enableViewState property value of a page in Visual Studio .NET

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Article ID: 822759 - View products that this article applies to.
This article has been archived. It is offered "as is" and will no longer be updated.
For a Microsoft .NET Framework 1.0 version of this article, see 820769.
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SYMPTOMS

By default, Microsoft Visual Studio .NET creates an InitializeComponent function when you use Microsoft Visual C# .NET to create a new Microsoft ASP.NET Web project. This function is used to associate Event objects with controls. To view the code, expand the generated code in Web Form Designer. You will notice a declaration similar to the following:
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);

		}
In some Visual Studio .NET configurations, if you change the enableViewState property of a page, the code in the InitializeComponent function is deleted.

RESOLUTION

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Visual Studio .NET 2003 that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version      Size       File name
   --------------------------------------------------------------------
   09-Jun-2003  02:02  7.10.3158.0  3,722,416  Microsoft.vsdesigner.dll

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

Steps to reproduce the behavior

To reproduce the problem, follow these steps:
  1. Before you create a new project, do the following:
    1. In Visual Studio .NET, click Options on the Tools menu.
    2. Expand HTML Designer, and then click General.
    3. Under Start HTML pages in, Start Active Server Pages in, and Start Web Form Pages in, click to select HTML View, and then click OK.
  2. Create a new Visual C# .NET ASP.NET Web Application project. When the form opens in HTML view, close the form.
  3. In Solution Explorer, click Show All Files.
  4. Double-click the .aspx file. The file opens in HTML view.
  5. Switch to Design view, and then add a Web Form Button to the form.
  6. Close the form. If you are prompted to save WebForm1.aspx, click Yes.
  7. In Solution Explorer, double-click the .aspx file to open it again in HTML view.
  8. In Solution Explorer, open the code behind page. To do this, expand Webform1.aspx, and then double-click Webform1aspx.cs.
  9. Expand the generated code in Web Form Designer. The InitializeComponent function appears as one line of code:
    this.Load += new System.EventHandler(this.Page_Load);
    Note If you have added an event handler for the button, another line of code appears that associates the button with that event.
  10. In Solution Explorer, double-click Webform1.aspx. The HTML view appears.
  11. In Properties for this page, change the enableViewState value to false.
  12. In Solution Explorer, double-click Webform1.aspx.cs. Notice that the code for the InitializeComponent function has been deleted.

Properties

Article ID: 822759 - Last Review: February 27, 2014 - Revision: 3.7
APPLIES TO
  • Microsoft .NET Framework 1.1
  • Microsoft ASP.NET 1.1
  • Microsoft Visual Studio .NET 2003 Professional Edition
  • Microsoft Visual Studio .NET 2003 Enterprise Architect
  • Microsoft Visual Studio .NET 2003 Enterprise Developer
  • Microsoft Visual Studio .NET 2003 Academic Edition
  • Microsoft Visual C# .NET 2003 Standard Edition
Keywords: 
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