Cannot convert string 'Top' in attribute 'VerticalAlignment' to object of type 'System.Windows.VerticalAlignment'. Top is not a valid value for VerticalAlignment.

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I am getting following error randomly.

cannot convert string 'Top' in attribute 'VerticalAlignment' to object of type 'System.Windows.VerticalAlignment'. Top is not a valid value for VerticalAlignment.

Please suggest what could be causing this error to come up and why it is so random. Following is XAML code i am using.

XML

<ProgressBar Margin"10" Name="PBar"
       HorizontalAlignment="Left"
       VerticalAlignment="Top"
       Width="150" Height="20" IsIndeterminate="True">
</ProgressBar>

Posted 21-Jul-10 7:54am

Lalit M Sharma

Updated 6-May-22 15:54pm

#realJSOP

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AspDotNetDev · Answer 1 · 2010-07-21T07:58:00

My guess is you have some C# code that is attempting to set the VerticalAlignment property to a string rather than of the correct type. I don't see anything in the XAML that would cause that to error to happen intermittently. When does the error occur? At runtime or compile time? When the Window/Page loads? When you initiate some event (e.g., clicking a button)? When you mouse over a certain element?

Cannot convert string 'Top' in attribute 'VerticalAlignment' to object of type 'System.Windows.VerticalAlignment'. Top is not a valid value for VerticalAlignment.

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Cannot convert string 'Top' in attribute 'VerticalAlignment' to object of type 'System.Windows.VerticalAlignment'. Top is not a valid value for VerticalAlignment.

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