Loop through labels

Why would this code through this error?

3/12/2008 12:51:08 PM - System.InvalidCastException: Cast from string "lbviewerday2" to type 'Integer' is not valid. ---> System.FormatException: Input string was not in a correct format.
   at Microsoft.VisualBasic.CompilerServices.DoubleType.Parse(String Value, NumberFormatInfo NumberFormat)
   at Microsoft.VisualBasic.CompilerServices.DoubleType.Parse(String Value)
   at Microsoft.VisualBasic.CompilerServices.IntegerType.FromString(String Value)
   --- End of inner exception stack trace ---
   at Microsoft.VisualBasic.CompilerServices.IntegerType.FromString(String Value)
   at BulletHoleEventsCalendar.Form1.viewerload() in C:\Documents and Settings\mdmiller\My Documents\Visual Studio

Seems to be pretty straightforward code.Start Free Trial

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For x As Integer = 2 To 10
            Me.viewer.Controls("lbviewerday" & x.ToString).Text = Date.Today.ToLongDateString
        Next