217 lines
6.5 KiB
Markdown
217 lines
6.5 KiB
Markdown
# System.Data
|
|
|
|
``` diff
|
|
+namespace System.Data {
|
|
+ public enum CommandBehavior {
|
|
+ CloseConnection = 32,
|
|
+ Default = 0,
|
|
+ KeyInfo = 4,
|
|
+ SchemaOnly = 2,
|
|
+ SequentialAccess = 16,
|
|
+ SingleResult = 1,
|
|
+ SingleRow = 8,
|
|
+ }
|
|
+ public enum CommandType {
|
|
+ StoredProcedure = 4,
|
|
+ TableDirect = 512,
|
|
+ Text = 1,
|
|
+ }
|
|
+ public enum ConnectionState {
|
|
+ Broken = 16,
|
|
+ Closed = 0,
|
|
+ Connecting = 2,
|
|
+ Executing = 4,
|
|
+ Fetching = 8,
|
|
+ Open = 1,
|
|
+ }
|
|
+ public enum DataRowVersion {
|
|
+ Default = 1536,
|
|
+ }
|
|
+ public class DataTable
|
|
+ public enum DbType {
|
|
+ AnsiString = 0,
|
|
+ AnsiStringFixedLength = 22,
|
|
+ Binary = 1,
|
|
+ Boolean = 3,
|
|
+ Byte = 2,
|
|
+ Currency = 4,
|
|
+ Date = 5,
|
|
+ DateTime = 6,
|
|
+ DateTime2 = 26,
|
|
+ DateTimeOffset = 27,
|
|
+ Decimal = 7,
|
|
+ Double = 8,
|
|
+ Guid = 9,
|
|
+ Int16 = 10,
|
|
+ Int32 = 11,
|
|
+ Int64 = 12,
|
|
+ Object = 13,
|
|
+ SByte = 14,
|
|
+ Single = 15,
|
|
+ String = 16,
|
|
+ StringFixedLength = 23,
|
|
+ Time = 17,
|
|
+ UInt16 = 18,
|
|
+ UInt32 = 19,
|
|
+ UInt64 = 20,
|
|
+ VarNumeric = 21,
|
|
+ Xml = 25,
|
|
+ }
|
|
+ public interface IDataParameter {
|
|
+ DbType DbType { get; set; }
|
|
+ ParameterDirection Direction { get; set; }
|
|
+ bool IsNullable { get; }
|
|
+ string ParameterName { get; set; }
|
|
+ string SourceColumn { get; set; }
|
|
+ DataRowVersion SourceVersion { get; set; }
|
|
+ object Value { get; set; }
|
|
+ }
|
|
+ public interface IDataParameterCollection : ICollection, IEnumerable, IList {
|
|
+ object this[string parameterName] { get; set; }
|
|
+ bool Contains(string parameterName);
|
|
+ int IndexOf(string parameterName);
|
|
+ void RemoveAt(string parameterName);
|
|
+ }
|
|
+ public interface IDataReader : IDataRecord, IDisposable {
|
|
+ int Depth { get; }
|
|
+ bool IsClosed { get; }
|
|
+ int RecordsAffected { get; }
|
|
+ void Close();
|
|
+ DataTable GetSchemaTable();
|
|
+ bool NextResult();
|
|
+ bool Read();
|
|
+ }
|
|
+ public interface IDataRecord {
|
|
+ int FieldCount { get; }
|
|
+ object this[int i] { get; }
|
|
+ object this[string name] { get; }
|
|
+ bool GetBoolean(int i);
|
|
+ byte GetByte(int i);
|
|
+ long GetBytes(int i, long fieldOffset, byte[] buffer, int bufferoffset, int length);
|
|
+ char GetChar(int i);
|
|
+ long GetChars(int i, long fieldoffset, char[] buffer, int bufferoffset, int length);
|
|
+ IDataReader GetData(int i);
|
|
+ string GetDataTypeName(int i);
|
|
+ DateTime GetDateTime(int i);
|
|
+ Decimal GetDecimal(int i);
|
|
+ double GetDouble(int i);
|
|
+ Type GetFieldType(int i);
|
|
+ float GetFloat(int i);
|
|
+ Guid GetGuid(int i);
|
|
+ short GetInt16(int i);
|
|
+ int GetInt32(int i);
|
|
+ long GetInt64(int i);
|
|
+ string GetName(int i);
|
|
+ int GetOrdinal(string name);
|
|
+ string GetString(int i);
|
|
+ object GetValue(int i);
|
|
+ int GetValues(object[] values);
|
|
+ bool IsDBNull(int i);
|
|
+ }
|
|
+ public interface IDbCommand : IDisposable {
|
|
+ string CommandText { get; set; }
|
|
+ int CommandTimeout { get; set; }
|
|
+ CommandType CommandType { get; set; }
|
|
+ IDbConnection Connection { get; set; }
|
|
+ IDataParameterCollection Parameters { get; }
|
|
+ IDbTransaction Transaction { get; set; }
|
|
+ UpdateRowSource UpdatedRowSource { get; set; }
|
|
+ void Cancel();
|
|
+ IDbDataParameter CreateParameter();
|
|
+ int ExecuteNonQuery();
|
|
+ IDataReader ExecuteReader();
|
|
+ IDataReader ExecuteReader(CommandBehavior behavior);
|
|
+ object ExecuteScalar();
|
|
+ void Prepare();
|
|
+ }
|
|
+ public interface IDbConnection : IDisposable {
|
|
+ string ConnectionString { get; set; }
|
|
+ int ConnectionTimeout { get; }
|
|
+ string Database { get; }
|
|
+ ConnectionState State { get; }
|
|
+ IDbTransaction BeginTransaction();
|
|
+ IDbTransaction BeginTransaction(IsolationLevel il);
|
|
+ void ChangeDatabase(string databaseName);
|
|
+ void Close();
|
|
+ IDbCommand CreateCommand();
|
|
+ void Open();
|
|
+ }
|
|
+ public interface IDbDataParameter : IDataParameter {
|
|
+ byte Precision { get; set; }
|
|
+ byte Scale { get; set; }
|
|
+ int Size { get; set; }
|
|
+ }
|
|
+ public interface IDbTransaction : IDisposable {
|
|
+ IDbConnection Connection { get; }
|
|
+ IsolationLevel IsolationLevel { get; }
|
|
+ void Commit();
|
|
+ void Rollback();
|
|
+ }
|
|
+ public enum IsolationLevel {
|
|
+ Chaos = 16,
|
|
+ ReadCommitted = 4096,
|
|
+ ReadUncommitted = 256,
|
|
+ RepeatableRead = 65536,
|
|
+ Serializable = 1048576,
|
|
+ Snapshot = 16777216,
|
|
+ Unspecified = -1,
|
|
+ }
|
|
+ public enum ParameterDirection {
|
|
+ Input = 1,
|
|
+ InputOutput = 3,
|
|
+ Output = 2,
|
|
+ ReturnValue = 6,
|
|
+ }
|
|
+ public enum SqlDbType {
|
|
+ BigInt = 0,
|
|
+ Binary = 1,
|
|
+ Bit = 2,
|
|
+ Char = 3,
|
|
+ Date = 31,
|
|
+ DateTime = 4,
|
|
+ DateTime2 = 33,
|
|
+ DateTimeOffset = 34,
|
|
+ Decimal = 5,
|
|
+ Float = 6,
|
|
+ Image = 7,
|
|
+ Int = 8,
|
|
+ Money = 9,
|
|
+ NChar = 10,
|
|
+ NText = 11,
|
|
+ NVarChar = 12,
|
|
+ Real = 13,
|
|
+ SmallDateTime = 15,
|
|
+ SmallInt = 16,
|
|
+ SmallMoney = 17,
|
|
+ Structured = 30,
|
|
+ Text = 18,
|
|
+ Time = 32,
|
|
+ Timestamp = 19,
|
|
+ TinyInt = 20,
|
|
+ Udt = 29,
|
|
+ UniqueIdentifier = 14,
|
|
+ VarBinary = 21,
|
|
+ VarChar = 22,
|
|
+ Variant = 23,
|
|
+ Xml = 25,
|
|
+ }
|
|
+ public sealed class StateChangeEventArgs : EventArgs {
|
|
+ public StateChangeEventArgs(ConnectionState originalState, ConnectionState currentState);
|
|
+ public ConnectionState CurrentState { get; }
|
|
+ public ConnectionState OriginalState { get; }
|
|
+ }
|
|
+ public delegate void StateChangeEventHandler(object sender, StateChangeEventArgs e);
|
|
+ public sealed class StatementCompletedEventArgs : EventArgs {
|
|
+ public StatementCompletedEventArgs(int recordCount);
|
|
+ public int RecordCount { get; }
|
|
+ }
|
|
+ public delegate void StatementCompletedEventHandler(object sender, StatementCompletedEventArgs e);
|
|
+ public enum UpdateRowSource {
|
|
+ Both = 3,
|
|
+ FirstReturnedRecord = 2,
|
|
+ None = 0,
|
|
+ OutputParameters = 1,
|
|
+ }
|
|
+}
|
|
```
|
|
|