Gets the error message for the property with the given name.

C# | Visual Basic |
[BrowsableAttribute(false)] public virtual string this[ string columnName ] { get; }
<BrowsableAttribute(False)> _ Public Overridable ReadOnly Default Property Item ( _ columnName As String _ ) As String

- columnName (String)
- The name of the property whose error message to get.

The error message for the property. The default is an empty string ("").