SqlServerDbFunctionsExtensions.DateDiffHour Method

Reference

Definition

Namespace:: Microsoft.EntityFrameworkCore

Assembly:: Microsoft.EntityFrameworkCore.SqlServer.dll

Package:: Microsoft.EntityFrameworkCore.SqlServer v3.0.0

Package:: Microsoft.EntityFrameworkCore.SqlServer v3.1.0

Package:: Microsoft.EntityFrameworkCore.SqlServer v5.0.0

Package:: Microsoft.EntityFrameworkCore.SqlServer v6.0.0

Package:: Microsoft.EntityFrameworkCore.SqlServer v7.0.0

Package:: Microsoft.EntityFrameworkCore.SqlServer v8.0.0

Package:: Microsoft.EntityFrameworkCore.SqlServer v2.1.11

Package:: Microsoft.EntityFrameworkCore.SqlServer v2.2.6

Important

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Overloads

DateDiffHour(DbFunctions, TimeSpan, TimeSpan)	Counts the number of hour boundaries crossed between the `startTimeSpan` and `endTimeSpan`. Corresponds to SQL Server's `DATEDIFF(hour, @startTimeSpan, @endTimeSpan)`.
DateDiffHour(DbFunctions, TimeOnly, TimeOnly)	Counts the number of hour boundaries crossed between the `startTime` and `endTime`. Corresponds to SQL Server's `DATEDIFF(hour, @startTime, @endTime)`.
DateDiffHour(DbFunctions, Nullable<TimeSpan>, Nullable<TimeSpan>)	Counts the number of hour boundaries crossed between the `startTimeSpan` and `endTimeSpan`. Corresponds to SQL Server's `DATEDIFF(hour, @startTimeSpan, @endTimeSpan)`.
DateDiffHour(DbFunctions, Nullable<DateTimeOffset>, Nullable<DateTimeOffset>)	Counts the number of hour boundaries crossed between the `startDate` and `endDate`. Corresponds to SQL Server's `DATEDIFF(hour, @startDate, @endDate)`.
DateDiffHour(DbFunctions, Nullable<TimeOnly>, Nullable<TimeOnly>)	Counts the number of hour boundaries crossed between the `startTime` and `endTime`. Corresponds to SQL Server's `DATEDIFF(hour, @startTime, @endTime)`.
DateDiffHour(DbFunctions, Nullable<DateOnly>, Nullable<DateOnly>)	Counts the number of hour boundaries crossed between the `startDate` and `endDate`. Corresponds to SQL Server's `DATEDIFF(hour, @startDate, @endDate)`.
DateDiffHour(DbFunctions, DateTimeOffset, DateTimeOffset)	Counts the number of hour boundaries crossed between the `startDate` and `endDate`. Corresponds to SQL Server's `DATEDIFF(hour, @startDate, @endDate)`.
DateDiffHour(DbFunctions, DateTime, DateTime)	Counts the number of hour boundaries crossed between the `startDate` and `endDate`. Corresponds to SQL Server's `DATEDIFF(hour, @startDate, @endDate)`.
DateDiffHour(DbFunctions, DateOnly, DateOnly)	Counts the number of hour boundaries crossed between the `startDate` and `endDate`. Corresponds to SQL Server's `DATEDIFF(hour, @startDate, @endDate)`.
DateDiffHour(DbFunctions, Nullable<DateTime>, Nullable<DateTime>)	Counts the number of hour boundaries crossed between the `startDate` and `endDate`. Corresponds to SQL Server's `DATEDIFF(hour, @startDate, @endDate)`.

DateDiffHour(DbFunctions, TimeSpan, TimeSpan)

Counts the number of hour boundaries crossed between the startTimeSpan and endTimeSpan. Corresponds to SQL Server's DATEDIFF(hour, @startTimeSpan, @endTimeSpan).

public static int DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, TimeSpan startTimeSpan, TimeSpan endTimeSpan);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * TimeSpan * TimeSpan -> int

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startTimeSpan As TimeSpan, endTimeSpan As TimeSpan) As Integer

Parameters

_: DbFunctions

The DbFunctions instance.

startTimeSpan: TimeSpan

Starting timespan for the calculation.

endTimeSpan: TimeSpan

Ending timespan for the calculation.

Returns

Int32

Number of hour boundaries crossed between the timespans.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

DateDiffHour(DbFunctions, TimeOnly, TimeOnly)

Counts the number of hour boundaries crossed between the startTime and endTime. Corresponds to SQL Server's DATEDIFF(hour, @startTime, @endTime).

public static int DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, TimeOnly startTime, TimeOnly endTime);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * TimeOnly * TimeOnly -> int

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startTime As TimeOnly, endTime As TimeOnly) As Integer

Parameters

_: DbFunctions

The DbFunctions instance.

startTime: TimeOnly

Starting time for the calculation.

endTime: TimeOnly

Ending time for the calculation.

Returns

Int32

Number of hour boundaries crossed between the times.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

DateDiffHour(DbFunctions, Nullable<TimeSpan>, Nullable<TimeSpan>)

Counts the number of hour boundaries crossed between the startTimeSpan and endTimeSpan. Corresponds to SQL Server's DATEDIFF(hour, @startTimeSpan, @endTimeSpan).

public static int? DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, TimeSpan? startTimeSpan, TimeSpan? endTimeSpan);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * Nullable<TimeSpan> * Nullable<TimeSpan> -> Nullable<int>

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startTimeSpan As Nullable(Of TimeSpan), endTimeSpan As Nullable(Of TimeSpan)) As Nullable(Of Integer)

Parameters

_: DbFunctions

The DbFunctions instance.

startTimeSpan: Nullable<TimeSpan>

Starting timespan for the calculation.

endTimeSpan: Nullable<TimeSpan>

Ending timespan for the calculation.

Returns

Nullable<Int32>

Number of hour boundaries crossed between the timespans.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

DateDiffHour(DbFunctions, Nullable<DateTimeOffset>, Nullable<DateTimeOffset>)

Counts the number of hour boundaries crossed between the startDate and endDate. Corresponds to SQL Server's DATEDIFF(hour, @startDate, @endDate).

public static int? DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, DateTimeOffset? startDate, DateTimeOffset? endDate);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * Nullable<DateTimeOffset> * Nullable<DateTimeOffset> -> Nullable<int>

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startDate As Nullable(Of DateTimeOffset), endDate As Nullable(Of DateTimeOffset)) As Nullable(Of Integer)

Parameters

_: DbFunctions

The DbFunctions instance.

startDate: Nullable<DateTimeOffset>

Starting date for the calculation.

endDate: Nullable<DateTimeOffset>

Ending date for the calculation.

Returns

Nullable<Int32>

Number of hour boundaries crossed between the dates.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

DateDiffHour(DbFunctions, Nullable<TimeOnly>, Nullable<TimeOnly>)

Counts the number of hour boundaries crossed between the startTime and endTime. Corresponds to SQL Server's DATEDIFF(hour, @startTime, @endTime).

public static int? DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, TimeOnly? startTime, TimeOnly? endTime);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * Nullable<TimeOnly> * Nullable<TimeOnly> -> Nullable<int>

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startTime As Nullable(Of TimeOnly), endTime As Nullable(Of TimeOnly)) As Nullable(Of Integer)

Parameters

_: DbFunctions

The DbFunctions instance.

startTime: Nullable<TimeOnly>

Starting time for the calculation.

endTime: Nullable<TimeOnly>

Ending time for the calculation.

Returns

Nullable<Int32>

Number of hour boundaries crossed between the times.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

DateDiffHour(DbFunctions, Nullable<DateOnly>, Nullable<DateOnly>)

Counts the number of hour boundaries crossed between the startDate and endDate. Corresponds to SQL Server's DATEDIFF(hour, @startDate, @endDate).

public static int? DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, DateOnly? startDate, DateOnly? endDate);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * Nullable<DateOnly> * Nullable<DateOnly> -> Nullable<int>

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startDate As Nullable(Of DateOnly), endDate As Nullable(Of DateOnly)) As Nullable(Of Integer)

Parameters

_: DbFunctions

The DbFunctions instance.

startDate: Nullable<DateOnly>

Starting date for the calculation.

endDate: Nullable<DateOnly>

Ending date for the calculation.

Returns

Nullable<Int32>

Number of hour boundaries crossed between the dates.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

DateDiffHour(DbFunctions, DateTimeOffset, DateTimeOffset)

Counts the number of hour boundaries crossed between the startDate and endDate. Corresponds to SQL Server's DATEDIFF(hour, @startDate, @endDate).

public static int DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, DateTimeOffset startDate, DateTimeOffset endDate);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * DateTimeOffset * DateTimeOffset -> int

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startDate As DateTimeOffset, endDate As DateTimeOffset) As Integer

Parameters

_: DbFunctions

The DbFunctions instance.

startDate: DateTimeOffset

Starting date for the calculation.

endDate: DateTimeOffset

Ending date for the calculation.

Returns

Int32

Number of hour boundaries crossed between the dates.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

DateDiffHour(DbFunctions, DateTime, DateTime)

Counts the number of hour boundaries crossed between the startDate and endDate. Corresponds to SQL Server's DATEDIFF(hour, @startDate, @endDate).

public static int DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, DateTime startDate, DateTime endDate);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * DateTime * DateTime -> int

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startDate As DateTime, endDate As DateTime) As Integer

Parameters

_: DbFunctions

The DbFunctions instance.

startDate: DateTime

Starting date for the calculation.

endDate: DateTime

Ending date for the calculation.

Returns

Int32

Number of hour boundaries crossed between the dates.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

DateDiffHour(DbFunctions, DateOnly, DateOnly)

Counts the number of hour boundaries crossed between the startDate and endDate. Corresponds to SQL Server's DATEDIFF(hour, @startDate, @endDate).

public static int DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, DateOnly startDate, DateOnly endDate);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * DateOnly * DateOnly -> int

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startDate As DateOnly, endDate As DateOnly) As Integer

Parameters

_: DbFunctions

The DbFunctions instance.

startDate: DateOnly

Starting date for the calculation.

endDate: DateOnly

Ending date for the calculation.

Returns

Int32

Number of hour boundaries crossed between the dates.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

DateDiffHour(DbFunctions, Nullable<DateTime>, Nullable<DateTime>)

Counts the number of hour boundaries crossed between the startDate and endDate. Corresponds to SQL Server's DATEDIFF(hour, @startDate, @endDate).

public static int? DateDiffHour (this Microsoft.EntityFrameworkCore.DbFunctions _, DateTime? startDate, DateTime? endDate);

static member DateDiffHour : Microsoft.EntityFrameworkCore.DbFunctions * Nullable<DateTime> * Nullable<DateTime> -> Nullable<int>

<Extension()>
Public Function DateDiffHour (_ As DbFunctions, startDate As Nullable(Of DateTime), endDate As Nullable(Of DateTime)) As Nullable(Of Integer)

Parameters

_: DbFunctions

The DbFunctions instance.

startDate: Nullable<DateTime>

Starting date for the calculation.

endDate: Nullable<DateTime>

Ending date for the calculation.

Returns

Nullable<Int32>

Number of hour boundaries crossed between the dates.

Remarks

See Database functions, and Accessing SQL Server and Azure SQL databases with EF Core for more information and examples.

Applies to

Share via

SqlServerDbFunctionsExtensions.DateDiffHour Method

Definition

Overloads

DateDiffHour(DbFunctions, TimeSpan, TimeSpan)

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Applies to

DateDiffHour(DbFunctions, TimeOnly, TimeOnly)

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DateDiffHour(DbFunctions, Nullable<TimeSpan>, Nullable<TimeSpan>)

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Applies to

DateDiffHour(DbFunctions, Nullable<DateTimeOffset>, Nullable<DateTimeOffset>)

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Applies to

DateDiffHour(DbFunctions, Nullable<TimeOnly>, Nullable<TimeOnly>)

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Applies to

DateDiffHour(DbFunctions, Nullable<DateOnly>, Nullable<DateOnly>)

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Applies to

DateDiffHour(DbFunctions, DateTimeOffset, DateTimeOffset)

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Applies to

DateDiffHour(DbFunctions, DateTime, DateTime)

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Applies to

DateDiffHour(DbFunctions, DateOnly, DateOnly)

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Applies to

DateDiffHour(DbFunctions, Nullable<DateTime>, Nullable<DateTime>)

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Applies to

Additional resources