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DbFunctions.DiffHours Method

Definition

Overloads

DiffHours(Nullable<DateTime>, Nullable<DateTime>)

When used as part of a LINQ to Entities query, this method invokes the canonical DiffHours EDM function to calculate the number of hours between two date/times.

DiffHours(Nullable<DateTimeOffset>, Nullable<DateTimeOffset>)

When used as part of a LINQ to Entities query, this method invokes the canonical DiffHours EDM function to calculate the number of hours between two date/times.

DiffHours(Nullable<TimeSpan>, Nullable<TimeSpan>)

When used as part of a LINQ to Entities query, this method invokes the canonical DiffHours EDM function to calculate the number of hours between two time spans.

DiffHours(Nullable<DateTime>, Nullable<DateTime>)

When used as part of a LINQ to Entities query, this method invokes the canonical DiffHours EDM function to calculate the number of hours between two date/times.

[System.Data.Entity.DbFunction("Edm", "DiffHours")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="timeValue2")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="timeValue1")]
public static Nullable<int> DiffHours (Nullable<DateTime> timeValue1, Nullable<DateTime> timeValue2);
static member DiffHours : Nullable<DateTime> * Nullable<DateTime> -> Nullable<int>
Public Shared Function DiffHours (timeValue1 As Nullable(Of DateTime), timeValue2 As Nullable(Of DateTime)) As Nullable(Of Integer)

Parameters

timeValue1
Nullable<DateTime>

The first date/time.

timeValue2
Nullable<DateTime>

The second date/time.

Returns

The number of hours between the first and second date/times.

Attributes

Remarks

You cannot call this function directly. This function can only appear within a LINQ to Entities query. This function is translated to a corresponding function in the database.

Applies to

DiffHours(Nullable<DateTimeOffset>, Nullable<DateTimeOffset>)

When used as part of a LINQ to Entities query, this method invokes the canonical DiffHours EDM function to calculate the number of hours between two date/times.

[System.Data.Entity.DbFunction("Edm", "DiffHours")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="timeValue2")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="timeValue1")]
public static Nullable<int> DiffHours (Nullable<DateTimeOffset> timeValue1, Nullable<DateTimeOffset> timeValue2);
static member DiffHours : Nullable<DateTimeOffset> * Nullable<DateTimeOffset> -> Nullable<int>
Public Shared Function DiffHours (timeValue1 As Nullable(Of DateTimeOffset), timeValue2 As Nullable(Of DateTimeOffset)) As Nullable(Of Integer)

Parameters

timeValue1
Nullable<DateTimeOffset>

The first date/time.

timeValue2
Nullable<DateTimeOffset>

The second date/time.

Returns

The number of hours between the first and second date/times.

Attributes

Remarks

You cannot call this function directly. This function can only appear within a LINQ to Entities query. This function is translated to a corresponding function in the database.

Applies to

DiffHours(Nullable<TimeSpan>, Nullable<TimeSpan>)

When used as part of a LINQ to Entities query, this method invokes the canonical DiffHours EDM function to calculate the number of hours between two time spans.

[System.Data.Entity.DbFunction("Edm", "DiffHours")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="timeValue2")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="timeValue1")]
public static Nullable<int> DiffHours (Nullable<TimeSpan> timeValue1, Nullable<TimeSpan> timeValue2);
static member DiffHours : Nullable<TimeSpan> * Nullable<TimeSpan> -> Nullable<int>
Public Shared Function DiffHours (timeValue1 As Nullable(Of TimeSpan), timeValue2 As Nullable(Of TimeSpan)) As Nullable(Of Integer)

Parameters

timeValue1
Nullable<TimeSpan>

The first time span.

timeValue2
Nullable<TimeSpan>

The second time span.

Returns

The number of hours between the first and second time spans.

Attributes

Remarks

You cannot call this function directly. This function can only appear within a LINQ to Entities query. This function is translated to a corresponding function in the database.

Applies to