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2つの選択フィールドを持つページであるASP.NETアプリケーションを作成しています。 選択された部門にすべての人物を検索するためのものと、指定された名前（またはLIKEでその一部）を検索するためのもの。 各選択フィールドに対して、私は同じフレームワークエンティティのIQueryableオブジェクトを取得するクエリを取得します。 しかし、IQueryableオブジェクトとその結果を（AND-Logicのために）Intersectと組み合わせようとすると、最初のクエリだけが処理され、2番目のクエリは処理されません。 どうしたのですか？ クエリに間違いがありますか？2つのIQueryableを組み合わせても機能しません。
質問は次のとおりです。
最初に選択した部門に人を検索します。
{SELECT
[Extent1].[PersonID] AS [PersonID],
CASE WHEN (([Extent1].[InstanceID] IS NOT NULL) AND ([Extent1].[InstanceID] IS NOT NULL)) THEN [Extent1].[InstanceID] ELSE 0 END AS [C1],
CASE WHEN (([Extent1].[bHidden] IS NOT NULL) AND ([Extent1].[bHidden] IS NOT NULL)) THEN [Extent1].[bHidden] ELSE cast(0 as bit) END AS [C2],
[Extent1].[txtLastName] AS [txtLastName],
[Extent1].[txtFirstName] AS [txtFirstName],
[Extent1].[txtEMail] AS [txtEMail],
[Extent1].[txtAlternativeEMail] AS [txtAlternativeEMail],
[Extent1].[txtGID] AS [txtGID],
[Extent1].[txtPhoneNumber] AS [txtPhoneNumber],
CASE WHEN (([Extent1].[iImportance] IS NOT NULL) AND ([Extent1].[iImportance] IS NOT NULL)) THEN [Extent1].[iImportance] ELSE 0 END AS [C3],
[Extent1].[Teamlead] AS [Teamlead]
FROM (SELECT
[Person_Teamlead].[PersonID] AS [PersonID],
[Person_Teamlead].[InstanceID] AS [InstanceID],
[Person_Teamlead].[WiW_URL_PersonID] AS [WiW_URL_PersonID],
[Person_Teamlead].[txtAccount] AS [txtAccount],
[Person_Teamlead].[txtTitle] AS [txtTitle],
[Person_Teamlead].[txtLastName] AS [txtLastName],
[Person_Teamlead].[txtFirstName] AS [txtFirstName],
[Person_Teamlead].[txtPhoneNumber] AS [txtPhoneNumber],
[Person_Teamlead].[txtEMail] AS [txtEMail],
[Person_Teamlead].[txtGID] AS [txtGID],
[Person_Teamlead].[txtDomain] AS [txtDomain],
[Person_Teamlead].[txtFax] AS [txtFax],
[Person_Teamlead].[txtMobilePhone] AS [txtMobilePhone],
[Person_Teamlead].[txtRoom] AS [txtRoom],
[Person_Teamlead].[txtAddress] AS [txtAddress],
[Person_Teamlead].[dtLastUpdate] AS [dtLastUpdate],
[Person_Teamlead].[bHidden] AS [bHidden],
[Person_Teamlead].[iExtern] AS [iExtern],
[Person_Teamlead].[txtOrganisationUnit] AS [txtOrganisationUnit],
[Person_Teamlead].[txtStreet] AS [txtStreet],
[Person_Teamlead].[txtZip] AS [txtZip],
[Person_Teamlead].[txtLocalityName] AS [txtLocalityName],
[Person_Teamlead].[txtCountry] AS [txtCountry],
[Person_Teamlead].[iToDelete] AS [iToDelete],
[Person_Teamlead].[dtToDelete] AS [dtToDelete],
[Person_Teamlead].[iImportance] AS [iImportance],
[Person_Teamlead].[iManualInput] AS [iManualInput],
[Person_Teamlead].[txtAlternativeEMail] AS [txtAlternativeEMail],
[Person_Teamlead].[Teamlead] AS [Teamlead]
FROM [dbo].[Person_Teamlead] AS [Person_Teamlead]) AS [Extent1]
WHERE (EXISTS (SELECT
1 AS [C1]
FROM [dbo].[Person_Department] AS [Extent2]
WHERE ([Extent2].[DepartmentID] = @p__linq__0) AND ([Extent2].[PersonID] = [Extent1].[PersonID])
)) AND ([Extent1].[InstanceID] = @p__linq__1) AND (0 = [Extent1].[iToDelete]) AND ((0 = (CASE WHEN ([Extent1].[bHidden] IS NOT NULL) THEN cast(1 as bit) ELSE cast(0 as bit) END)) OR (0 = [Extent1].[bHidden]))}
また、2番目のクエリは、指定された名前の人を検索するためのクエリです。
{SELECT
[Project1].[PersonID] AS [PersonID],
[Project1].[C1] AS [C1],
[Project1].[C2] AS [C2],
[Project1].[txtLastName] AS [txtLastName],
[Project1].[txtFirstName] AS [txtFirstName],
[Project1].[txtEMail] AS [txtEMail],
[Project1].[txtAlternativeEMail] AS [txtAlternativeEMail],
[Project1].[txtGID] AS [txtGID],
[Project1].[txtPhoneNumber] AS [txtPhoneNumber],
[Project1].[C3] AS [C3],
[Project1].[Teamlead] AS [Teamlead]
FROM (SELECT
[Extent1].[PersonID] AS [PersonID],
[Extent1].[txtLastName] AS [txtLastName],
[Extent1].[txtFirstName] AS [txtFirstName],
[Extent1].[txtPhoneNumber] AS [txtPhoneNumber],
[Extent1].[txtEMail] AS [txtEMail],
[Extent1].[txtGID] AS [txtGID],
[Extent1].[txtAlternativeEMail] AS [txtAlternativeEMail],
[Extent1].[Teamlead] AS [Teamlead],
CASE WHEN (([Extent1].[InstanceID] IS NOT NULL) AND ([Extent1].[InstanceID] IS NOT NULL)) THEN [Extent1].[InstanceID] ELSE 0 END AS [C1],
CASE WHEN (([Extent1].[bHidden] IS NOT NULL) AND ([Extent1].[bHidden] IS NOT NULL)) THEN [Extent1].[bHidden] ELSE cast(0 as bit) END AS [C2],
CASE WHEN (([Extent1].[iImportance] IS NOT NULL) AND ([Extent1].[iImportance] IS NOT NULL)) THEN [Extent1].[iImportance] ELSE 0 END AS [C3]
FROM (SELECT
[Person_Teamlead].[PersonID] AS [PersonID],
[Person_Teamlead].[InstanceID] AS [InstanceID],
[Person_Teamlead].[WiW_URL_PersonID] AS [WiW_URL_PersonID],
[Person_Teamlead].[txtAccount] AS [txtAccount],
[Person_Teamlead].[txtTitle] AS [txtTitle],
[Person_Teamlead].[txtLastName] AS [txtLastName],
[Person_Teamlead].[txtFirstName] AS [txtFirstName],
[Person_Teamlead].[txtPhoneNumber] AS [txtPhoneNumber],
[Person_Teamlead].[txtEMail] AS [txtEMail],
[Person_Teamlead].[txtGID] AS [txtGID],
[Person_Teamlead].[txtDomain] AS [txtDomain],
[Person_Teamlead].[txtFax] AS [txtFax],
[Person_Teamlead].[txtMobilePhone] AS [txtMobilePhone],
[Person_Teamlead].[txtRoom] AS [txtRoom],
[Person_Teamlead].[txtAddress] AS [txtAddress],
[Person_Teamlead].[dtLastUpdate] AS [dtLastUpdate],
[Person_Teamlead].[bHidden] AS [bHidden],
[Person_Teamlead].[iExtern] AS [iExtern],
[Person_Teamlead].[txtOrganisationUnit] AS [txtOrganisationUnit],
[Person_Teamlead].[txtStreet] AS [txtStreet],
[Person_Teamlead].[txtZip] AS [txtZip],
[Person_Teamlead].[txtLocalityName] AS [txtLocalityName],
[Person_Teamlead].[txtCountry] AS [txtCountry],
[Person_Teamlead].[iToDelete] AS [iToDelete],
[Person_Teamlead].[dtToDelete] AS [dtToDelete],
[Person_Teamlead].[iImportance] AS [iImportance],
[Person_Teamlead].[iManualInput] AS [iManualInput],
[Person_Teamlead].[txtAlternativeEMail] AS [txtAlternativeEMail],
[Person_Teamlead].[Teamlead] AS [Teamlead]
FROM [dbo].[Person_Teamlead] AS [Person_Teamlead]) AS [Extent1]
WHERE ([Extent1].[InstanceID] = @p__linq__0) AND (0 = [Extent1].[iToDelete]) AND ((0 = (CASE WHEN ([Extent1].[bHidden] IS NOT NULL) THEN cast(1 as bit) ELSE cast(0 as bit) END)) OR (0 = [Extent1].[bHidden])) AND ([Extent1].[txtLastName] LIKE @p__linq__1 ESCAPE N'~')
) AS [Project1]
ORDER BY [Project1].[Teamlead] DESC, [Project1].[C3] DESC, [Project1].[txtLastName] ASC, [Project1].[txtFirstName] ASC}