ModelStateDictionary.Add Method (String, ModelState)
Adds an element that has the specified key and value to the model-state dictionary.
Namespace: System.Web.Mvc
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
Syntax
'Declaration
Public Sub Add ( _
key As String, _
value As ModelState _
)
public void Add(
string key,
ModelState value
)
public:
virtual void Add(
String^ key,
ModelState^ value
) sealed
Parameters
- key
Type: System.String
The key of the element to add.
- value
Type: System.Web.Mvc.ModelState
The value of the element to add.
Implements
IDictionary<TKey, TValue>.Add(TKey, TValue)
Exceptions
| Exception | Condition |
|---|---|
| NotSupportedException | The model-state dictionary is read-only. |
| ArgumentNullException | key is null reference (Nothing in Visual Basic). |
| ArgumentException | An element that has the specified key already occurs in the model-state dictionary. |