验证字符串的最大长度不是负数。
命名空间： Microsoft.Data.Edm.Validation
程序集： Microsoft.Data.Edm（在 Microsoft.Data.Edm.dll 中）
语法
声明
Public Shared ReadOnly StringTypeReferenceStringMaxLengthNegative As ValidationRule(Of IEdmStringTypeReference)
用法
Dim value As ValidationRule(Of IEdmStringTypeReference)
value = ValidationRules.StringTypeReferenceStringMaxLengthNegative
public static readonly ValidationRule<IEdmStringTypeReference> StringTypeReferenceStringMaxLengthNegative
public:
static initonly ValidationRule<IEdmStringTypeReference^>^ StringTypeReferenceStringMaxLengthNegative
static val StringTypeReferenceStringMaxLengthNegative: ValidationRule<IEdmStringTypeReference>
public static final var StringTypeReferenceStringMaxLengthNegative : ValidationRule<IEdmStringTypeReference>