SqlFunctions.DateDiff Method
Definition
Overloads
DateDiff(String, String, String) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, String, Nullable<TimeSpan>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, String, Nullable<DateTimeOffset>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, String, Nullable<DateTime>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<TimeSpan>, String) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<TimeSpan>, Nullable<TimeSpan>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<TimeSpan>, Nullable<DateTimeOffset>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<TimeSpan>, Nullable<DateTime>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<DateTimeOffset>, Nullable<DateTimeOffset>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<DateTimeOffset>, Nullable<TimeSpan>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<DateTimeOffset>, String) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<DateTimeOffset>, Nullable<DateTime>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<DateTime>, String) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<DateTime>, Nullable<TimeSpan>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<DateTime>, Nullable<DateTimeOffset>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, Nullable<DateTime>, Nullable<DateTime>) |
Returns the count of the specified datepart boundaries crossed between the specified start date and end date. |
DateDiff(String, String, String)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
public static Nullable<int> DateDiff (string datePartArg, string startDate, string endDate);
static member DateDiff : string * string * string -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As String, endDate As String) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- startDate
- String
The first date.
- endDate
- String
The second date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, String, Nullable<TimeSpan>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
public static Nullable<int> DateDiff (string datePartArg, string startDate, Nullable<TimeSpan> endDate);
static member DateDiff : string * string * Nullable<TimeSpan> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As String, endDate As Nullable(Of TimeSpan)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- startDate
- String
The first date.
Returns
The value specifying the number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, String, Nullable<DateTimeOffset>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
public static Nullable<int> DateDiff (string datePartArg, string startDate, Nullable<DateTimeOffset> endDate);
static member DateDiff : string * string * Nullable<DateTimeOffset> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As String, endDate As Nullable(Of DateTimeOffset)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- startDate
- String
The first date.
- endDate
- Nullable<DateTimeOffset>
The second date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, String, Nullable<DateTime>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
public static Nullable<int> DateDiff (string datePartArg, string startDate, Nullable<DateTime> endDate);
static member DateDiff : string * string * Nullable<DateTime> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As String, endDate As Nullable(Of DateTime)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- startDate
- String
The first date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<TimeSpan>, String)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<TimeSpan> startDate, string endDate);
static member DateDiff : string * Nullable<TimeSpan> * string -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of TimeSpan), endDate As String) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- endDate
- String
The second date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<TimeSpan>, Nullable<TimeSpan>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<TimeSpan> startDate, Nullable<TimeSpan> endDate);
static member DateDiff : string * Nullable<TimeSpan> * Nullable<TimeSpan> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of TimeSpan), endDate As Nullable(Of TimeSpan)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<TimeSpan>, Nullable<DateTimeOffset>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<TimeSpan> startDate, Nullable<DateTimeOffset> endDate);
static member DateDiff : string * Nullable<TimeSpan> * Nullable<DateTimeOffset> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of TimeSpan), endDate As Nullable(Of DateTimeOffset)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- endDate
- Nullable<DateTimeOffset>
The second date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<TimeSpan>, Nullable<DateTime>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<TimeSpan> startDate, Nullable<DateTime> endDate);
static member DateDiff : string * Nullable<TimeSpan> * Nullable<DateTime> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of TimeSpan), endDate As Nullable(Of DateTime)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<DateTimeOffset>, Nullable<DateTimeOffset>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<DateTimeOffset> startDate, Nullable<DateTimeOffset> endDate);
static member DateDiff : string * Nullable<DateTimeOffset> * Nullable<DateTimeOffset> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of DateTimeOffset), endDate As Nullable(Of DateTimeOffset)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- startDate
- Nullable<DateTimeOffset>
The first date.
- endDate
- Nullable<DateTimeOffset>
The second date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<DateTimeOffset>, Nullable<TimeSpan>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<DateTimeOffset> startDate, Nullable<TimeSpan> endDate);
static member DateDiff : string * Nullable<DateTimeOffset> * Nullable<TimeSpan> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of DateTimeOffset), endDate As Nullable(Of TimeSpan)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- startDate
- Nullable<DateTimeOffset>
The first date.
Returns
The number of time intervals between the two Dates.
- Attributes
Applies to
DateDiff(String, Nullable<DateTimeOffset>, String)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<DateTimeOffset> startDate, string endDate);
static member DateDiff : string * Nullable<DateTimeOffset> * string -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of DateTimeOffset), endDate As String) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- startDate
- Nullable<DateTimeOffset>
The first date.
- endDate
- String
The second date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<DateTimeOffset>, Nullable<DateTime>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<DateTimeOffset> startDate, Nullable<DateTime> endDate);
static member DateDiff : string * Nullable<DateTimeOffset> * Nullable<DateTime> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of DateTimeOffset), endDate As Nullable(Of DateTime)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- startDate
- Nullable<DateTimeOffset>
The first date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<DateTime>, String)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<DateTime> startDate, string endDate);
static member DateDiff : string * Nullable<DateTime> * string -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of DateTime), endDate As String) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- endDate
- String
The second date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<DateTime>, Nullable<TimeSpan>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<DateTime> startDate, Nullable<TimeSpan> endDate);
static member DateDiff : string * Nullable<DateTime> * Nullable<TimeSpan> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of DateTime), endDate As Nullable(Of TimeSpan)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<DateTime>, Nullable<DateTimeOffset>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<DateTime> startDate, Nullable<DateTimeOffset> endDate);
static member DateDiff : string * Nullable<DateTime> * Nullable<DateTimeOffset> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of DateTime), endDate As Nullable(Of DateTimeOffset)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
- endDate
- Nullable<DateTimeOffset>
The second date.
Returns
The number of time intervals between the two dates.
- Attributes
Applies to
DateDiff(String, Nullable<DateTime>, Nullable<DateTime>)
Returns the count of the specified datepart boundaries crossed between the specified start date and end date.
[System.Data.Entity.DbFunction("SqlServer", "DATEDIFF")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="startDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="endDate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="datePartArg")]
public static Nullable<int> DateDiff (string datePartArg, Nullable<DateTime> startDate, Nullable<DateTime> endDate);
static member DateDiff : string * Nullable<DateTime> * Nullable<DateTime> -> Nullable<int>
Public Shared Function DateDiff (datePartArg As String, startDate As Nullable(Of DateTime), endDate As Nullable(Of DateTime)) As Nullable(Of Integer)
Parameters
- datePartArg
- String
The part of the date to calculate the differing number of time intervals.
Returns
The number of time intervals between the two dates.
- Attributes