LinqDataSourceView::ValidateContextType Method (Type^, Boolean)
.NET Framework (current version)
Checks whether the data context class derives from DataContext.
Assembly: System.Web.Extensions (in System.Web.Extensions.dll)
Parameters
- contextType
-
Type:
System::Type^
The type of the data context class to validate.
- selecting
-
Type:
System::Boolean
Specifies whether the method has been called when a select operation starts.
| Exception | Condition |
|---|---|
| InvalidOperationException | An insert, update, or delete operation is being performed and the data context class does not derive from DataContext. |
The class that is specified in the ContextTypeName property must derive from the DataContext class in order to enable automatic insert, update, and delete operations.
.NET Framework
Available since 3.5
Available since 3.5
Show: