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Syncfusion Feedback
Platform : ASP.NET
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Category : Serialization

Why doesn't my Collection Properties get saved in the aspx file properly during design-time?

Some common mistakes that will cause the designer to choke while persisting collection properties are:

  • The corresponding collection type cannot have multiple (overloaded) indexers. You should always define a single indexer of the type "public SomeType this[object obj]{...}". Otherwise the changes will be persisted but the control will not load in the designer. You will see a "Ambiguous match found" error.
  • If the collection property has the PersistenceMode attribute set to InnerProperty then the property should not include a set method.
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