Displaying single line validation summary for multiple controls.

protected void Page_Load(object sender, EventArgs e)
{
Page.ClientScript.RegisterOnSubmitStatement(this.GetType(), "mykey", "if (typeof(ValidatorOnSubmit) == \"function\" && ValidatorOnSubmit() == false) alert('Information marked with * must be filled properly.');return false;");
}

Failed to access IIS metabase problem

Possible Cause:-

         When you install IIS AFTER .NET 2.0 framework, the rights of the ASPNET user had not been set correctly.

Resolution
         Repair (Uninstall if repair does not work for you)  .NET Framework 2.0

Simply run the following from command line to reset the IIS registry settings for aspnet user. Usually framework directory for .Net Framework 2.0 resides under C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>aspnet_regiis -i

References:-

• http://support.microsoft.com/?kbid=267904 http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=116989&SiteID=1
• http://support.microsoft.com/kb/555583