ViewDataDictionary.ContainsKey Method (String)
Determines whether the collection contains an element that has the specified key.
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
Parameters
- key
-
Type:
System.String
The key of the element to locate in the collection.
Return Value
Type: System.Booleantrue if the collection contains an element that has the specified key; otherwise, false.
| Exception | Condition |
|---|---|
| ArgumentNullException | key is null. |
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