CustomExpression::Querying Event

.NET Framework (current version)
 

Occurs when the IQueryable data source value is set.

Namespace:   System.Web.UI.WebControls.Expressions
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

public:
event EventHandler<CustomExpressionEventArgs^>^ Querying {
	void add(EventHandler<CustomExpressionEventArgs^>^ value);
	void remove(EventHandler<CustomExpressionEventArgs^>^ value);
}

The CustomExpression object enables you to specify a custom expression in an event handler.

.NET Framework
Available since 4.0
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