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SqlFunctions.IsDate Method

Indicates whether the input value is a valid date or time.

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

[<EdmFunctionAttribute("SqlServer", "ISDATE")>]
static member IsDate : 
        arg:string -> Nullable<int> 

Parameters

arg
Type: System.String
The tested value.

Return Value

Type: System.Nullable(Int32)
1 if the input expression is a valid date or time value of datetime or smalldatetime data types; otherwise, 0.

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. For information about the corresponding SQL Server function, see HOSTNAME (Transact-SQL).

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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