/// <summary>
/// 更新DataTable的方式插入数据
/// </summary>
/// <param name="_dt">DataTable</param>
/// <returns>插入记录条数</returns>
public override int DataTableInsert(DataTable _dt)
{
bool flag = false;
int _nResult = 0;
if (_dt == null)
return _nResult;
string _sCmdText = string.Format("select * from {0} where 1=2", _dt.TableName);
AseCommand _Command = (AseCommand)CreateCommand(_sCmdText, CommandType.Text);
AseDataAdapter _adapter = new AseDataAdapter(_Command);
AseDataAdapter _adapter1 = new AseDataAdapter(_Command);
AseCommandBuilder _builder = new AseCommandBuilder(_adapter1);
_adapter.InsertCommand = _builder.GetInsertCommand();
if (_adapter.InsertCommand.Parameters.Count < _dt.Columns.Count)
{
flag = true;//因为表中有自增字段，所以CommandBuild生成的InserttCommand的参数中少了自增字段
foreach (DataColumn _dc in _dt.Columns)
{
if (!_adapter.InsertCommand.Parameters.Contains(_dc.ColumnName))
{
_adapter.InsertCommand.CommandText =
_adapter.InsertCommand.CommandText.Insert(_adapter.InsertCommand.CommandText.IndexOf(") VALUES"), ',' + _dc.ColumnName);
_adapter.InsertCommand.CommandText =
_adapter.InsertCommand.CommandText.Insert(_adapter.InsertCommand.CommandText.Length - 1, ",@" + _dc.ColumnName);
_adapter.InsertCommand.Parameters.Add("@" + _dc.ColumnName, AseDbType.Decimal, _dc.MaxLength, _dc.ColumnName);
if (_adapter.InsertCommand.Parameters.Count >= _dt.Columns.Count)
break;
}
}
}
if (flag)
this.ExecuteNoQuery(string.Format("SET IDENTITY_INSERT {0} on", _dt.TableName));
this.BeginTransaction();
try
{
_Command.CommandText = "delete from " + _dt.TableName;
_Command.ExecuteNonQuery();
_adapter.InsertCommand.Transaction = _Command.Transaction;
_nResult = _adapter.Update(_dt);
this.CommitTransaction();
}
catch (Exception ex)
{
this.RollbackTransaction();
throw ex;
}
finally
{
if (flag)
this.ExecuteNoQuery(string.Format("SET IDENTITY_INSERT {0} OFF", _dt.TableName));
}
return _nResult;
}
/// <summary>
/// 创建适配器
/// </summary>
/// <param name="cmd">数据库命令</param>
/// <returns></returns>
public override IDbDataAdapter GetAdapter(IDbCommand cmd)
{
AseDataAdapter adapter = new AseDataAdapter((AseCommand)cmd);
AseCommandBuilder cb = new AseCommandBuilder(adapter);
adapter.CommandBuilder = cb;
return(adapter);
}
/// <summary>
/// Derives the parameter list from a stored procedure command.
/// </summary>
/// <param name="command">The command to derive.</param>
public override void DeriveParametersFromStoredProcedure(IDbCommand command)
{
if (command == null)
{
throw new ArgumentNullException("command");
}
AseCommandBuilder.DeriveParameters(command as AseCommand);
// remove the @ from any parameters
foreach (var p in command.Parameters.OfType <AseParameter>())
{
p.ParameterName = _parameterPrefixRegex.Replace(p.ParameterName, String.Empty);
}
}
public void AseCommandBuilder_DeriveParameters_SetsParametersOnCommand(string procedureName)
{
using (var connnection = new AseConnection(ConnectionStrings.Default))
{
connnection.Open();
using (var command = connnection.CreateCommand())
{
command.CommandType = CommandType.StoredProcedure;
command.CommandText = procedureName;
AseCommandBuilder.DeriveParameters(command);
Assert.AreEqual(55, command.Parameters.Count);
Assert.AreEqual(ParameterDirection.ReturnValue, command.Parameters["@RETURN_VALUE"].Direction);
Assert.AreEqual(ParameterDirection.Output, command.Parameters["@o1"].Direction);
}
}
}
public void AseAdapter_WithAseCommandBuilder_HasInsertUpdateDeleteCommands()
{
using (var connnection = new AseConnection(ConnectionStrings.Default))
{
connnection.Open();
using (var adapter = new AseDataAdapter("SELECT ColumnId, ColumnDescription FROM AseDataAdapterTests_Table1", connnection))
{
using (var builder = new AseCommandBuilder(adapter))
{
// Check that the AseCommandBuilder is initialised.
var insertCommand = builder.GetInsertCommand();
Assert.IsNotNull(insertCommand);
StringAssert.Contains("INSERT", insertCommand.CommandText);
var updateCommand = builder.GetUpdateCommand();
Assert.IsNotNull(updateCommand);
StringAssert.Contains("UPDATE", updateCommand.CommandText);
var deleteCommand = builder.GetDeleteCommand();
Assert.IsNotNull(deleteCommand);
StringAssert.Contains("DELETE", deleteCommand.CommandText);
// Check that the AseDataAdapter is initialised.
Assert.IsNotNull(adapter.InsertCommand);
StringAssert.Contains("INSERT", adapter.InsertCommand.CommandText);
Assert.IsNotNull(adapter.UpdateCommand);
StringAssert.Contains("UPDATE", adapter.UpdateCommand.CommandText);
Assert.IsNotNull(adapter.DeleteCommand);
StringAssert.Contains("DELETE", adapter.DeleteCommand.CommandText);
}
}
}
}
static int Main(string[] args)
{
int
Result = -1,
tmpInt;
decimal
tmpDecimal;
object
tmpObject;
StreamWriter
fstr_out = null;
string
tmpString,
OutputFileName = "log.log";
#if WITH_TRACE
string
TraceFileName = "trace.log";
#endif
AseConnection
conn = null;
AseCommand
cmd = null;
AseTransaction
Transaction = null;
AseDataReader
reader = null;
AseParameter
Parameter = null;
AseDataAdapter
da = null;
DataTable
tmpDataTable = null;
try
{
try
{
fstr_out = new StreamWriter(OutputFileName, false, System.Text.Encoding.GetEncoding(1251));
fstr_out.AutoFlush = true;
#if WITH_REFLECTION
Assembly[]
asms = AppDomain.CurrentDomain.GetAssemblies();
Assembly
asm = null;
foreach (Assembly a in asms)
{
if (a.FullName.ToLower().IndexOf("sybase.data.aseclient") > -1)
{
asm = a;
}
fstr_out.WriteLine("Assembly.CodeBase: " + a.CodeBase);
fstr_out.WriteLine("Assembly.EscapedCodeBase: " + a.EscapedCodeBase);
fstr_out.WriteLine("Assembly.FullName: " + a.FullName);
fstr_out.WriteLine("Assembly.GlobalAssemblyCache: " + a.GlobalAssemblyCache.ToString().ToLower());
fstr_out.WriteLine("Assembly.ImageRuntimeVersion: " + a.ImageRuntimeVersion);
fstr_out.WriteLine("Assembly.Location: " + a.Location);
fstr_out.WriteLine();
}
if (asm != null)
{
Type[]
alltypes = asm.GetTypes();
for (tmpInt = 0; tmpInt < alltypes.Length; ++tmpInt)
{
fstr_out.WriteLine("Обнаружено: " + alltypes[tmpInt].Name);
if (alltypes[tmpInt].Name.CompareTo("AseConnection") == 0)
{
Type
t = alltypes[tmpInt];
FieldInfo[]
fi = t.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
fstr_out.WriteLine("Анализ Field, определенных в " + t.Name);
foreach (FieldInfo f in fi)
{
fstr_out.Write(" " + f.Name);
fstr_out.WriteLine();
}
fstr_out.WriteLine();
PropertyInfo[]
//pi_=t.GetProperties(BindingFlags.Instance|BindingFlags.NonPublic|BindingFlags.Static); // AseConnection.Language
pi_ = t.GetProperties(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
fstr_out.WriteLine("Анализ Property, определенных в " + t.Name);
foreach (PropertyInfo p_ in pi_)
{
fstr_out.Write(" " + p_.Name);
fstr_out.WriteLine();
}
fstr_out.WriteLine();
fstr_out.WriteLine("Поддерживаемые методы:");
ParameterInfo[]
pi;
MethodInfo[]
mi;
//mi=t.GetMethods();
mi = t.GetMethods(BindingFlags.DeclaredOnly
| BindingFlags.Instance
| BindingFlags.Public);
foreach (MethodInfo m in mi)
{
fstr_out.Write(" " + m.ReturnType.Name + " " + m.Name + "(");
pi = m.GetParameters();
for (int i = 0; i < pi.Length; ++i)
{
fstr_out.Write(pi[i].ParameterType.Name + " " + pi[i].Name);
if (i + 1 < pi.Length)
{
fstr_out.Write(", ");
}
}
fstr_out.WriteLine(")");
}
fstr_out.WriteLine();
}
}
fstr_out.WriteLine();
}
#endif
#if WITH_TRACE
_strmWriter = new StreamWriter(TraceFileName, false, System.Text.Encoding.GetEncoding(1251));
_strmWriter.AutoFlush = true;
#endif
if ((tmpString = ConfigurationSettings.AppSettings["connectionString"]) == null ||
tmpString == string.Empty)
{
fstr_out.WriteLine("ConfigurationSettings.AppSettings[\"connectionString\"] is empty!!!");
return(Result);
}
conn = new AseConnection(tmpString);
conn.InfoMessage += new AseInfoMessageEventHandler(conn_InfoMessage);
conn.StateChange += new System.Data.StateChangeEventHandler(conn_StateChange);
#if WITH_TRACE
conn.TraceEnter += new TraceEnterEventHandler(conn_TraceEnter);
conn.TraceExit += new TraceExitEventHandler(conn_TraceExit);
#endif
conn.Open();
fstr_out.WriteLine("AseConnection.ConnectionString: " + conn.ConnectionString);
fstr_out.WriteLine("AseConnection.ConnectionTimeout: " + conn.ConnectionTimeout);
fstr_out.WriteLine("AseConnection.Database: " + conn.Database);
fstr_out.WriteLine("AseConnection.NamedParameters: " + conn.NamedParameters.ToString().ToLower());
fstr_out.WriteLine("AseConnection.State: " + conn.State);
fstr_out.WriteLine("AseConnection.DriverVersion: " + AseConnection.DriverVersion);
//fstr_out.WriteLine("AseConnection.Language: "+AseConnection.Language);
fstr_out.WriteLine();
cmd = conn.CreateCommand();
cmd.CommandType = CommandType.Text;
cmd.CommandText = "select @@spid";
if ((tmpObject = cmd.ExecuteScalar()) != null)
{
tmpString = Convert.ToString(tmpObject);
}
#if TEST_CHARSET
cmd.CommandText = "select cast(val as date) from T4 where GroupId=4 and Id=1";
if (da == null)
{
da = new AseDataAdapter(cmd);
}
else
{
da.SelectCommand = cmd;
}
if (tmpDataTable == null)
{
tmpDataTable = new DataTable();
}
else
{
tmpDataTable.Reset();
}
da.Fill(tmpDataTable);
#endif
#if TEST_EXECUTE_NON_QUERY
if (cmd == null)
{
cmd = conn.CreateCommand();
}
cmd.NamedParameters = false;
cmd.CommandType = CommandType.Text;
cmd.Parameters.Clear();
cmd.CommandText = "update Victim set Val = ? where Id = ?";
cmd.Parameters.Add("Val", AseDbType.Integer);
cmd.Parameters.Add("Id", AseDbType.Integer);
for (int Id = 1; Id <= 5; Id += 2)
{
cmd.Parameters["Val"].Value = Id;
cmd.Parameters["Id"].Value = Id;
tmpInt = cmd.ExecuteNonQuery();
}
cmd.NamedParameters = true;
#endif
#if TEST_BLOB
if (cmd == null)
{
cmd = conn.CreateCommand();
}
cmd.CommandType = CommandType.Text;
FileStream
fs;
byte[]
Blob;
#if TEST_BLOB_SAVE
tmpString = "@FImage";
cmd.CommandText = "update TestTypes set FImage = " + tmpString;
cmd.Parameters.Clear();
cmd.Parameters.Add(tmpString, AseDbType.Image);
fs = new FileStream("welcome.bmp", FileMode.Open, FileAccess.Read);
Blob = new byte[fs.Length];
fs.Read(Blob, 0, Blob.Length);
cmd.Parameters[tmpString].Value = Blob;
tmpInt = cmd.ExecuteNonQuery();
#endif
cmd.Parameters.Clear();
cmd.CommandText = "select * from TestTypes";
reader = cmd.ExecuteReader();
do
{
if (reader.HasRows)
{
for (int i = 0; i < reader.FieldCount; ++i)
{
fstr_out.WriteLine(reader.GetName(i) + " GetDataTypeName(): \"" + reader.GetDataTypeName(i) + "\" GetFieldType(): \"" + reader.GetFieldType(i) + "\"");
}
tmpInt = reader.GetOrdinal("FImage");
while (reader.Read())
{
tmpString = "FromBlob.bmp";
if (File.Exists(tmpString))
{
File.Delete(tmpString);
}
Blob = (byte[])reader["FImage"];
fs = new FileStream(tmpString, FileMode.Create);
fs.Write(Blob, 0, Blob.Length);
fs.Close();
tmpString = "FromBlob_1.bmp";
if (File.Exists(tmpString))
{
File.Delete(tmpString);
}
Blob = new byte[reader.GetBytes(tmpInt, 0, null, 0, int.MaxValue)];
reader.GetBytes(tmpInt, 0, Blob, 0, Blob.Length);
fs = new FileStream(tmpString, FileMode.Create);
fs.Write(Blob, 0, Blob.Length);
fs.Close();
}
}
}while(reader.NextResult());
reader.Close();
#endif
#if TEST_SMTH
if (cmd == null)
{
cmd = conn.CreateCommand();
}
cmd.CommandType = CommandType.Text;
cmd.CommandText = "select * from TestDate order by FDate";
cmd.Parameters.Clear();
if (da == null)
{
da = new AseDataAdapter(cmd);
}
else
{
da.SelectCommand = cmd;
}
if (tmpDataTable != null)
{
tmpDataTable.Reset();
}
else
{
tmpDataTable = new DataTable();
}
da.Fill(tmpDataTable);
tmpString = "";
for (int i = 0; i < tmpDataTable.Rows.Count; ++i)
{
if (tmpString != string.Empty)
{
tmpString += " ";
}
tmpString += Convert.ToDateTime(tmpDataTable.Rows[i]["FDate"]).ToString("yyyy-MM-dd");
}
cmd.NamedParameters = false;
cmd.CommandText = "update TestTypes set FDatetime = ?";
cmd.Parameters.Clear();
cmd.Parameters.Add("FDate", AseDbType.DateTime).Value = DateTime.Now;
tmpInt = cmd.ExecuteNonQuery();
cmd.NamedParameters = true;
cmd.CommandText = "update TestTypes set FDatetime = @FDatetime";
cmd.Parameters.Clear();
cmd.Parameters.Add("@FDatetime", AseDbType.DateTime).Value = DateTime.Now;
tmpInt = cmd.ExecuteNonQuery();
#endif
#if TEST_DATA_ADAPTER_FILL_SCHEMA
if (cmd == null)
{
cmd = conn.CreateCommand();
}
cmd.CommandType = CommandType.Text;
cmd.CommandText = "select * from Staff";
if (da == null)
{
da = new AseDataAdapter(cmd);
}
else
{
da.SelectCommand = cmd;
}
if (tmpDataTable != null)
{
tmpDataTable.Reset();
}
else
{
tmpDataTable = new DataTable();
}
da.FillSchema(tmpDataTable, SchemaType.Source);
#endif
#if TEST_STORED_PROCEDURES
if (cmd == null)
{
cmd = conn.CreateCommand();
}
object[]
tmpObjects = new object[] { 5, 6 };
cmd.CommandType = CommandType.StoredProcedure;
cmd.NamedParameters = false;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "mathtutor";
for (int i = 0; i < tmpObjects.Length; ++i)
{
Parameter = new AseParameter();
Parameter.ParameterName = "Param" + i;
switch (Type.GetTypeCode(tmpObjects[i].GetType()))
{
case System.TypeCode.Int32:
{
Parameter.DbType = DbType.Int32;
break;
}
}
Parameter.Value = tmpObjects[i];
cmd.Parameters.Add(Parameter);
}
Parameter = new AseParameter();
Parameter.ParameterName = "Param3";
Parameter.DbType = DbType.Int32;
Parameter.Direction = ParameterDirection.Output;
cmd.Parameters.Add(Parameter);
cmd.ExecuteNonQuery();
tmpInt = !Convert.IsDBNull(cmd.Parameters["Param3"].Value) ? Convert.ToInt32(cmd.Parameters["Param3"].Value) : Int32.MinValue;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "sp_TestTypes_Decimal_10_6";
AseCommandBuilder.DeriveParameters(cmd);
cmd.Parameters["@FDecimal_10_6"].Value = 123.45m;
cmd.ExecuteNonQuery();
tmpDecimal = !Convert.IsDBNull(cmd.Parameters["@FDecimal_10_6_out"].Value) ? Convert.ToDecimal(cmd.Parameters["@FDecimal_10_6_out"].Value) : decimal.MinValue;
cmd.Parameters.Clear();
cmd.CommandType = CommandType.Text;
cmd.CommandText = "{? = call sp_TestTypes_Decimal_10_6(? ,?)}";
cmd.NamedParameters = false;
Parameter = new AseParameter("@RETURN_VALUE", AseDbType.Integer);
Parameter.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(Parameter);
Parameter = new AseParameter("@FDecimal_10_6", AseDbType.Decimal); //AseDbType.Numeric
//Parameter=new AseParameter();
//Parameter.ParameterName="@FDecimal_10_6";
//Parameter.DbType=DbType.Decimal;
//Parameter.AseDbType=AseDbType.Decimal; //AseDbType.Numeric
Parameter.Direction = ParameterDirection.Input;
//Parameter.Precision=10;
//Parameter.Scale=6;
Parameter.Value = 123.45m;
cmd.Parameters.Add(Parameter);
Parameter = new AseParameter("@FDecimal_10_6_out", AseDbType.Decimal); //AseDbType.Numeric
Parameter.Direction = ParameterDirection.Output;
Parameter.Precision = 10;
Parameter.Scale = 6;
cmd.Parameters.Add(Parameter);
cmd.ExecuteNonQuery();
tmpDecimal = !Convert.IsDBNull(cmd.Parameters["@FDecimal_10_6_out"].Value) ? Convert.ToDecimal(cmd.Parameters["@FDecimal_10_6_out"].Value) : decimal.MinValue;
tmpDecimal = 2;
if (cmd == null)
{
cmd = conn.CreateCommand();
}
cmd.Parameters.Clear();
cmd.CommandType = CommandType.Text;
cmd.CommandText = "{call UpdateTestTypes(?)}";
cmd.NamedParameters = false;
Parameter = new AseParameter("@rate", AseDbType.Decimal);
Parameter.Direction = ParameterDirection.Input;
Parameter.Value = tmpDecimal;
cmd.Parameters.Add(Parameter);
/*
* if(cmd==null)
* cmd=conn.CreateCommand();
*
* cmd.CommandType=CommandType.StoredProcedure;
* cmd.CommandText="UpdateTestTypes";
* AseCommandBuilder.DeriveParameters(cmd);
* cmd.Parameters["@Decimal_18_4"].Value=tmpDecimal;
*/
tmpInt = cmd.ExecuteNonQuery();
cmd.CommandType = CommandType.StoredProcedure;
for (int size = 255; size <= 258; ++size)
{
cmd.CommandText = "sp_ReturnAndOutputVarChar" + size;
AseCommandBuilder.DeriveParameters(cmd);
cmd.ExecuteNonQuery();
tmpString = !Convert.IsDBNull(cmd.Parameters["@OutParam"].Value) ? Convert.ToString(cmd.Parameters["@OutParam"].Value) : "NULL";
}
conn.ChangeDatabase("master");
cmd.CommandText = "testdb..sp_ReturnAndOutput";
AseCommandBuilder.DeriveParameters(cmd);
conn.ChangeDatabase("testdb");
#endif
Transaction = conn.BeginTransaction(IsolationLevel.ReadCommitted);
if (cmd == null)
{
cmd = conn.CreateCommand();
}
cmd.Transaction = Transaction;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "sp_Staff_Save";
//cmd.CommandText="sp_TestTypes";
fstr_out.WriteLine("AseCommandBuilder.DeriveParameters(\"" + cmd.CommandText + "\")");
AseCommandBuilder.DeriveParameters(cmd);
foreach (AseParameter parameter in cmd.Parameters)
{
fstr_out.WriteLine("\tParameterIndex: " + parameter.ParameterIndex + Environment.NewLine +
"\tParameterName: " + parameter.ParameterName + Environment.NewLine +
"\tDirection: " + parameter.Direction + Environment.NewLine +
"\tDbType: " + parameter.DbType + Environment.NewLine +
"\tAseDbType: " + parameter.AseDbType + Environment.NewLine +
"\tSize: " + parameter.Size + Environment.NewLine +
"\tPrecision: " + parameter.Precision + Environment.NewLine +
"\tScale: " + parameter.Scale + Environment.NewLine +
"\tIsNullable: " + parameter.IsNullable.ToString().ToLower() + Environment.NewLine +
"\tSourceColumn: " + parameter.SourceColumn + Environment.NewLine +
"\tSourceVersion: " + parameter.SourceVersion + Environment.NewLine);
}
fstr_out.WriteLine();
conn.ChangeDatabase("veksel");
cmd.CommandText = "sp_CONTRACT_SAVE";
fstr_out.WriteLine("AseCommandBuilder.DeriveParameters(\"" + cmd.CommandText + "\")");
AseCommandBuilder.DeriveParameters(cmd);
foreach (AseParameter parameter in cmd.Parameters)
{
fstr_out.WriteLine("\tParameterIndex: " + parameter.ParameterIndex + Environment.NewLine +
"\tParameterName: " + parameter.ParameterName + Environment.NewLine +
"\tDirection: " + parameter.Direction + Environment.NewLine +
"\tDbType: " + parameter.DbType + Environment.NewLine +
"\tAseDbType: " + parameter.AseDbType + Environment.NewLine +
"\tSize: " + parameter.Size + Environment.NewLine +
"\tPrecision: " + parameter.Precision + Environment.NewLine +
"\tScale: " + parameter.Scale + Environment.NewLine +
"\tIsNullable: " + parameter.IsNullable.ToString().ToLower() + Environment.NewLine +
"\tSourceColumn: " + parameter.SourceColumn + Environment.NewLine +
"\tSourceVersion: " + parameter.SourceVersion + Environment.NewLine);
}
fstr_out.WriteLine();
Transaction.Rollback();
Transaction = null;
Result = 0;
}
catch (AseException eException)
{
Console.WriteLine(eException.GetType().FullName + Environment.NewLine +
"Errors:" + Environment.NewLine + ErrorsToString(eException.Errors) + Environment.NewLine +
"Message: " + eException.Message + Environment.NewLine +
"Source: " + eException.Source + Environment.NewLine +
"StackTrace:" + Environment.NewLine + eException.StackTrace + Environment.NewLine +
"TargetSite: " + eException.TargetSite + Environment.NewLine);
}
catch (Exception eException)
{
Console.WriteLine(eException.GetType().FullName + Environment.NewLine +
"Message: " + eException.Message + Environment.NewLine +
"Source: " + eException.Source + Environment.NewLine +
"StackTrace:" + Environment.NewLine + eException.StackTrace + Environment.NewLine +
"TargetSite: " + eException.TargetSite + Environment.NewLine +
"InnerException:" + Environment.NewLine + eException.InnerException.GetType().FullName + Environment.NewLine +
"InnerException.Message: " + eException.InnerException.Message + Environment.NewLine +
"InnerException.Source: " + eException.InnerException.Source + Environment.NewLine +
"InnerException.StackTrace:" + Environment.NewLine + eException.InnerException.StackTrace + Environment.NewLine +
"InnerException.TargetSite: " + eException.InnerException.TargetSite);
}
}
finally
{
if (Transaction != null)
{
try
{
Transaction.Rollback();
}
catch
{
;
}
}
if (reader != null && !reader.IsClosed)
{
reader.Close();
}
if (cmd != null)
{
cmd.Dispose();
}
if (conn != null && conn.State == System.Data.ConnectionState.Open)
{
conn.Close();
}
if (fstr_out != null)
{
fstr_out.Close();
}
#if WITH_TRACE
if (_strmWriter != null)
{
_strmWriter.Close();
}
#endif
}
return(Result);
}
public override bool DeriveParameters(IDbCommand command)
{
AseCommandBuilder.DeriveParameters((AseCommand)command);
return(true);
}
/// <summary>
/// 更新DataTable的方式插入数据
/// </summary>
/// <param name="_dt">DataTable</param>
/// <returns>插入记录条数</returns>
public override int DataTableInsert(DataTable _dt)
{
bool flag = false;
int _nResult = 0;
if (_dt == null)
{
return(_nResult);
}
string _sCmdText = string.Format("select * from {0} where 1=2", _dt.TableName);
AseCommand _Command = (AseCommand)CreateCommand(_sCmdText, CommandType.Text);
AseDataAdapter _adapter = new AseDataAdapter(_Command);
AseDataAdapter _adapter1 = new AseDataAdapter(_Command);
AseCommandBuilder _builder = new AseCommandBuilder(_adapter1);
_adapter.InsertCommand = _builder.GetInsertCommand();
if (_adapter.InsertCommand.Parameters.Count < _dt.Columns.Count)
{
flag = true;//因为表中有自增字段，所以CommandBuild生成的InserttCommand的参数中少了自增字段
foreach (DataColumn _dc in _dt.Columns)
{
if (!_adapter.InsertCommand.Parameters.Contains(_dc.ColumnName))
{
_adapter.InsertCommand.CommandText =
_adapter.InsertCommand.CommandText.Insert(_adapter.InsertCommand.CommandText.IndexOf(") VALUES"), ',' + _dc.ColumnName);
_adapter.InsertCommand.CommandText =
_adapter.InsertCommand.CommandText.Insert(_adapter.InsertCommand.CommandText.Length - 1, ",@" + _dc.ColumnName);
_adapter.InsertCommand.Parameters.Add("@" + _dc.ColumnName, AseDbType.Decimal, _dc.MaxLength, _dc.ColumnName);
if (_adapter.InsertCommand.Parameters.Count >= _dt.Columns.Count)
{
break;
}
}
}
}
if (flag)
{
this.ExecuteNoQuery(string.Format("SET IDENTITY_INSERT {0} on", _dt.TableName));
}
this.BeginTransaction();
try
{
_Command.CommandText = "delete from " + _dt.TableName;
_Command.ExecuteNonQuery();
_adapter.InsertCommand.Transaction = _Command.Transaction;
_nResult = _adapter.Update(_dt);
this.CommitTransaction();
}
catch (Exception ex)
{
this.RollbackTransaction();
throw ex;
}
finally
{
if (flag)
{
this.ExecuteNoQuery(string.Format("SET IDENTITY_INSERT {0} OFF", _dt.TableName));
}
}
return(_nResult);
}
public void DeriveParameters(IDbCommand spCommand)
{
//低版本的ASE ADO驱动不适用
AseCommandBuilder.DeriveParameters((AseCommand)spCommand);
}
