SqlFunctions::IsDate Method (String^)

.NET Framework (current version)
 

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)

public:
[EdmFunctionAttribute("SqlServer", "ISDATE")]
static Nullable<int> IsDate(
	String^ arg
)

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
Available since 4.0
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