DataTable dt=newDataTable("testname"); DataColumn column=newDataColumn("Status",System.Type.GetType("System.String")); dt.Columns.Add(column); DataRow row=dt.NewRow(); row[0]=Status.UnDeliver; dt.Rows.Add(row); Status result; //从字符串转回枚举 result=(Status)Enum.Parse(typeof(Status...
Gets type. staticCheckinDataTypevalueOf(Stringname) Returns the enum constant of this type with the specified name. staticCheckinDataType[]values() Returns an array containing the constants of this enum type, in the order they are declared. ...
pr_type(ex1) print(ex1(3).__repr__()) 结果: <enum 'ex'> <class 'enum.EnumMeta'> <ex.c: 3> 使用Enum()函数(就是Enum的构造方法)创建枚举类,该构造方法的第一个参数是枚举类的类名;第二个参数是一个元组,用于列出所有枚举值,也可以是可迭代对象; 本例中未给出枚举类的值,这时它会默认从1...
enum NppDataType Data types for nppiPlus functions. Values: enumerator NPP_8U 8-bit unsigned integer data type enumerator NPP_8S 8-bit signed integer data type enumerator NPP_16U 16-bit unsigned integer data type enumerator NPP_16S 16-bit signed integer data type ...
java.lang.Object java.lang.Enum com.microsoft.azure.documentdb.DataType public enum DataType extends java.lang.Enum<DataType>Data types in the Azure Cosmos DB database service.FieldsTáblázat kibontása LineString Represents a line string data type. MultiPolygon Represent a multi-polygon data ...
enum NppDataType Data types for nppiPlus functions. Values: enumerator NPP_8U 8-bit unsigned integer data type enumerator NPP_8S 8-bit signed integer data type enumerator NPP_16U 16-bit unsigned integer data type enumerator NPP_16S 16-bit signed integer data type ...
checking a column datatype in a datatable checking for characters in a byte array Checking for exception type in try/catch block in C# checking for non null values in a column checking if a connection is valid Checking if a specific handler exists Checking if an ObservableCollection contains a...
[ <attributelist> ] [ accessmodifier ] [Shadows]Enumenumerationname [Asdatatype ] memberlistEndEnum 组成部分 attributelist 可选。 应用于此枚举的属性列表。 必须将属性列表括进尖括号(“<”和“>”)中。 FlagsAttribute属性指示枚举实例的值可以包含多个枚举成员,并且每个成员表示枚举值中的一个位域。
To bind B.C. dates, use a String parameter and the Oracle TO_DATE or TO_CHAR conversion functions for input and output parameters respectively. Use the .NET DateTime or OracleClient OracleDateTime data type in Value. IntervalDayToSecond 7 An Oracle INTERVAL DAY TO SECOND data type (Oracle ...
SELECT groupUniqArray(val) AS uniq, toTypeName(uniq), groupArray(val) AS arr, toTypeName(arr) FROM ( SELECT CAST(number % 2, 'Enum(\'hello\' = 1, \'world\' = 0)') AS val FROM numbers(2) ) Query id: d4657f27-c8bd-4174-9947-c6c48d0222d5 ┌─uniq──┬─toTypeName(group...