System.Web.UI.WebControls.Expressions Namespace
Important
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Provides classes that enable you to filter data in a Web page by using the QueryExtender control.
Classes
| CustomExpression |
Provides a way to specify a custom LINQ query that is called in response to an event. |
| CustomExpressionEventArgs |
Represents the event data for the CustomExpression class. |
| DataSourceExpression |
Represents a base class for creating expression classes. |
| DataSourceExpressionCollection |
Represents a collection of expressions to apply to a data source control. |
| MethodExpression |
Provides a way to specify a custom LINQ query that is defined in a method. |
| OfTypeExpression |
Provides a way to filter a query based on a specified type. |
| OrderByExpression |
Provides a way to apply a sort expression to an IQueryable object. |
| ParameterDataSourceExpression |
Represents an abstract base class for ParameterDataSourceExpression objects. |
| PropertyExpression |
Provides a way to create a |
| QueryExpression |
Retrieves instances of a specific entity type by using a complex query. |
| RangeExpression |
Provides a way to determine whether a value is greater than or less than a specified value, or whether a value is between two specified values. |
| SearchExpression |
Provides a way to search a field or fields for string values and compare them to a specified string value. |
| ThenBy |
Provides a way to apply a sort expression to an IQueryable data source object after an OrderByExpression expression is applied. |
Enums
| RangeType |
Specifies the type of numeric comparison to use in an instance of the RangeExpression class. |
| SearchType |
Specifies the type of search in an instance of the SearchExpression class. |
Remarks
This namespace contains expressions that are used with the QueryExtender control to filter data in a Web page using declarative syntax. The classes in this namespace include System.Web.UI.WebControls.Expressions.SearchExpression, System.Web.UI.WebControls.Expressions.RangeExpression, System.Web.UI.WebControls.Expressions.PropertyExpression, System.Web.UI.WebControls.Expressions.OrderByExpression and System.Web.UI.WebControls.Expressions.CustomExpression.
