EdmCoreModel.GetString 方法 (Boolean, Nullable<Int32>, Nullable<Boolean>, Nullable<Boolean>, String, Boolean)
获取对字符串类型的引用。
命名空间: Microsoft.Data.Edm.Library
程序集: Microsoft.Data.Edm(在 Microsoft.Data.Edm.dll 中)
语法
声明
Public Function GetString ( _
isMaxMaxLength As Boolean, _
maxLength As Nullable(Of Integer), _
isFixedLength As Nullable(Of Boolean), _
isUnicode As Nullable(Of Boolean), _
collation As String, _
isNullable As Boolean _
) As IEdmStringTypeReference
用法
Dim instance As EdmCoreModel
Dim isMaxMaxLength As Boolean
Dim maxLength As Nullable(Of Integer)
Dim isFixedLength As Nullable(Of Boolean)
Dim isUnicode As Nullable(Of Boolean)
Dim collation As String
Dim isNullable As Boolean
Dim returnValue As IEdmStringTypeReference
returnValue = instance.GetString(isMaxMaxLength, _
maxLength, isFixedLength, isUnicode, _
collation, isNullable)
public IEdmStringTypeReference GetString(
bool isMaxMaxLength,
Nullable<int> maxLength,
Nullable<bool> isFixedLength,
Nullable<bool> isUnicode,
string collation,
bool isNullable
)
public:
IEdmStringTypeReference^ GetString(
bool isMaxMaxLength,
Nullable<int> maxLength,
Nullable<bool> isFixedLength,
Nullable<bool> isUnicode,
String^ collation,
bool isNullable
)
member GetString :
isMaxMaxLength:bool *
maxLength:Nullable<int> *
isFixedLength:Nullable<bool> *
isUnicode:Nullable<bool> *
collation:string *
isNullable:bool -> IEdmStringTypeReference
public function GetString(
isMaxMaxLength : boolean,
maxLength : Nullable<int>,
isFixedLength : Nullable<boolean>,
isUnicode : Nullable<boolean>,
collation : String,
isNullable : boolean
) : IEdmStringTypeReference
参数
- isMaxMaxLength
类型:System.Boolean
若要指示最大长度是最大允许值,则为 true;否则为 false。
- maxLength
类型:System.Nullable<Int32>
此类型的值的最大长度。
- isFixedLength
类型:System.Nullable<Boolean>
若要指示长度可以变化,则为 true;否则为 false。
- isUnicode
类型:System.Nullable<Boolean>
若要指示字符串类型支持 Unicode 编码,则为 true;否则为 false。
- collation
类型:System.String
字符串类型的排序规则。
- isNullable
类型:System.Boolean
若要指示引用的类型可以为 null,则为 true;否则为 false。
返回值
类型:Microsoft.Data.Edm.IEdmStringTypeReference
字符串类型引用。