ObjectQuery<'T>.Where Method (String, ObjectParameter[])

 

Limits the query to results that match specified filtering criteria.

Namespace:   System.Data.Objects
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

member Where : 
        predicate:string *
        [<ParamArrayAttribute>] parameters:ObjectParameter[] -> ObjectQuery<'T>

Parameters

predicate
Type: System.String

The filter predicate.

parameters
Type: System.Data.Objects.ObjectParameter[]

Zero or more parameters that are used in this method.

Return Value

Type: System.Data.Objects.ObjectQuery<'T>

A new ObjectQuery<'T> instance that is equivalent to the original instance with WHERE applied.

Exception Condition
ArgumentNullException

predicate is null.

-or-

parameters is null.

ArgumentException

The predicate is an empty string.

This example is based on the AdventureWorks Sales Model. The example creates a new ObjectQuery<'T> that contains results of the existing query filtered by the following criteria: "it.ProductID = 900".

No code example is currently available or this language may not be supported.

.NET Framework
Available since 3.5
Return to top
Show: