public int InsertDBFrmDataTable(string TableStrcutSQL, DataTable dt, Boolean isByOrder)
{
if (dt == null || dt.Rows.Count <= 0)
{
return(0);
}
try {
Conn = OracleConnManager.GetCon();
OracleDataAdapter ad = new OracleDataAdapter(TableStrcutSQL, Conn);//取个结构
DataTable dt1 = new DataTable();
OracleCommandBuilder cmb = new OracleCommandBuilder(ad);
ad.Fill(dt1);
for (int i = 0; i < dt.Rows.Count; i++)
{
DataRow row = dt1.NewRow();
for (int j = 0; j < dt.Columns.Count; j++)
{
row[j] = dt.Rows[i][j].ToString();//按顺序放参数值
}
dt1.Rows.Add(row);
}
return(ad.Update(dt1));
} finally {
CloseConnection();
}
}
public int ExcuteSQL(string sql)
{
Conn = OracleConnManager.GetCon();
OracleCommand cmd = new OracleCommand(sql, Conn);
cmd.CommandTimeout = _TimeOut;
int count = cmd.ExecuteNonQuery();
cmd.Dispose();
return(count);
}
private OracleDataReader GetTableData(string sql)
{
Conn = OracleConnManager.GetCon();
OracleCommand cmd = Conn.CreateCommand();
cmd.CommandTimeout = _TimeOut;
cmd.CommandText = sql;
OracleDataReader reader = cmd.ExecuteReader();
return(reader);
}
public int EditDBFrmDataTable(string TableStrcutSQL, DataTable dt)
{
if (dt == null || dt.Rows.Count <= 0)
{
return(0);
}
try {
Conn = OracleConnManager.GetCon();
OracleCommand sqlCommand = new OracleCommand(TableStrcutSQL, Conn);
OracleDataAdapter sqlAdapater = new OracleDataAdapter(sqlCommand); //取个结构
OracleCommandBuilder sqlBuilder = new OracleCommandBuilder(sqlAdapater); //必须有
DataTable dt1 = dt.GetChanges(DataRowState.Deleted);
if (dt1 == null || dt1.Rows.Count <= 0)
{
}
else
{
sqlAdapater.Fill(dt1);
sqlAdapater.Update(dt1);
}
DataTable dt2 = dt.GetChanges(DataRowState.Modified);
if (dt2 == null || dt2.Rows.Count <= 0)
{
}
else
{
sqlAdapater.Fill(dt2);
sqlAdapater.Update(dt2);
}
DataTable dt3 = dt.GetChanges(DataRowState.Added);
if (null == dt3 || dt3.Rows.Count <= 0)
{
}
else
{
sqlAdapater.Fill(dt3);
sqlAdapater.Update(dt3);
}
return(0);
} finally {
CloseConnection();
}
}
public int ExcuteSQL(string sql, Hashtable ht)
{
Conn = OracleConnManager.GetCon();
OracleCommand cmd = Conn.CreateCommand();
cmd.CommandTimeout = _TimeOut;
cmd.CommandText = sql;
foreach (string key in ht.Keys)
{
cmd.Parameters.AddWithValue(key, ht[key].ToString());
}
int count = cmd.ExecuteNonQuery();
cmd.Dispose();
return(count);
}
public int InsertDBFrmDataTable(string TableStrcutSQL, DataTable dt)
{
if (dt == null || dt.Rows.Count <= 0)
{
return(0);
}
try {
Conn = OracleConnManager.GetCon();
OracleDataAdapter ad = new OracleDataAdapter(TableStrcutSQL, Conn);//取个结构
OracleCommandBuilder cmb = new OracleCommandBuilder(ad);
ad.Fill(dt);
return(ad.Update(dt));
} finally {
CloseConnection();
}
}
public DataTable SelectDataBase(string sql)
{
try {
Conn = OracleConnManager.GetCon();
DataSet ds = new DataSet();
OracleDataAdapter da = new OracleDataAdapter(sql, Conn);
da.SelectCommand.CommandTimeout = _TimeOut;//设置超时时间
//ds.Locale = System.Globalization.CultureInfo.CurrentCulture;
da.Fill(ds);
return(ds.Tables[0]);
} catch (Exception ex) {
OracleConnManager.Conn = null;
throw ex;
//Console.WriteLine(sql);
//Console.WriteLine(ex.StackTrace);
}
return(null);
}
////传入table
//public List<T> ConvertTo<T>(DataTable table)
//{
// if (table == null)
// {
// return null;
// }
// List<DataRow> rows = new List<DataRow>();
// foreach (DataRow row in table.Rows)
// {
// rows.Add(row);
// }
// return ConvertTo<T>(rows);
//}
//public List<T> ConvertTo<T>(List<DataRow> rows)
//{
// List<T> list = null;
// if (rows != null)
// {
// list = new List<T>();
// foreach (DataRow row in rows)
// {
// T item = CreateItem<T>(row);
// list.Add(item);
// }
// }
// return list;
//}
//public T CreateItem<T>(DataRow row)
//{
// T obj = default(T);
// if (row != null)
// {
// obj = Activator.CreateInstance<T>();
// foreach (DataColumn column in row.Table.Columns)
// {
// PropertyInfo prop = obj.GetType().GetProperty(column.ColumnName);
// try
// {
// object value = row[column.ColumnName];
// prop.SetValue(obj, value, null);
// }
// catch (Exception ex)
// {
// }
// }
// }
// return obj;
//}
/// <summary>
/// 分页查询SQL语句
/// </summary>
/// <param name="sql">查询语句</param>
/// <param name="pageIndex">页索引</param>
/// <param name="pageSize">页条数</param>
/// <returns>DataTable</returns>
/// <creator>zhanghang at 20130710</creator>
public DataTable SelectDataBase(string sql, int pageIndex, int pageSize)
{
try
{
string pageSql = "SELECT * FROM (SELECT A.*, ROWNUM RN " +
" FROM (" + sql + ") A WHERE ROWNUM <= " + (pageIndex) * pageSize + ") " +
" WHERE RN >= " + ((pageIndex - 1) * pageSize + 1) + " ";
Conn = OracleConnManager.GetCon();
DataSet ds = new DataSet();
OracleDataAdapter da = new OracleDataAdapter(pageSql, Conn);
da.SelectCommand.CommandTimeout = _TimeOut;//设置超时时间
da.Fill(ds);
return(ds.Tables[0]);
}
catch (Exception ex)
{
OracleConnManager.Conn = null;
Console.WriteLine(sql);
Console.WriteLine(ex.StackTrace);
}
return(null);
}
public string[] CallPrc(string _ProcName, string[] _OutputResults, Hashtable ht, out string str)
{
str = null;
if (_ProcName == null || _ProcName == "")
{
return(null);
}
try
{
Conn = OracleConnManager.GetCon();
}
catch (Exception ex)
{
str = "bbb" + ex.Message;
}
OracleCommand cmd = Conn.CreateCommand();
try {
cmd.CommandType = CommandType.StoredProcedure;//设置调用的类型为存储过程
cmd.CommandText = _ProcName;
OracleParameter _Parme;
if (_OutputResults != null)
{
for (int i = 0; i < _OutputResults.Length; i++)
{
_Parme = cmd.Parameters.Add(_OutputResults[i], OracleType.NVarChar, 1000);
_Parme.Direction = ParameterDirection.Output;
}
}
if (ht == null || ht.Count <= 0)
{
}
else
{
IDictionaryEnumerator ide = ht.GetEnumerator();
while (ide.MoveNext())
{
_Parme = cmd.Parameters.Add(ide.Key.ToString(), OracleType.NVarChar);
_Parme.Direction = ParameterDirection.Input;
_Parme.Value = ide.Value;
}
}
cmd.ExecuteNonQuery();
if (_OutputResults != null)
{
for (int i = 0; i < _OutputResults.Length; i++)
{
_OutputResults[i] = cmd.Parameters[_OutputResults[i]].Value.ToString();
}
}
return(_OutputResults);
} catch (Exception ex) {
throw ex;
} finally {
cmd.Dispose();
CloseConnection();
}
}
public bool InsertDBFrmObject(Object item, string _NameSpaceName, string _ObjeclClassName)
{
if (item == null)
{
return(false);
}
Assembly assembly = Assembly.Load(_NameSpaceName);
object obj = assembly.CreateInstance(_ObjeclClassName);
if (null == obj)
{
return(false);
}
Type type = obj.GetType();
PropertyInfo[] ps = type.GetProperties();
Conn = OracleConnManager.GetCon();
OracleCommand cmd = this.Conn.CreateCommand();
try {
string _fs = "";
string _vs = "";
foreach (PropertyInfo pi in ps) //循环每个字段
{
string _fieldName = pi.Name;
_fs += _fieldName + ",";
_vs += "@" + _fieldName + ",";
}
string _tn = _ObjeclClassName.Substring(_ObjeclClassName.LastIndexOf('.') + 1);
string sql = "insert into " + _tn + " (" + _fs.Substring(0, _fs.Length - 1) + ") values ("
+ _vs.Substring(0, _vs.Length - 1) + ")";
cmd.CommandText = sql;
foreach (PropertyInfo pi in ps) //循环每个字段
{
string _fieldName = pi.Name;
string _typeName = pi.PropertyType.Name;
object _valueObj = pi.GetValue(item, null);
if (_typeName.ToLower().Contains("string"))
{
if (_valueObj == null)
{
_valueObj = "";
}
}
else if (_typeName.ToLower().Contains("double"))
{
if (_valueObj == null)
{
_valueObj = 0.0;
}
}
else if (_typeName.ToLower().Contains("int"))
{
if (_valueObj == null)
{
_valueObj = 0;
}
}
//cmd.Parameters.AddWithValue("@" + _fieldName, _valueObj);
}
cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
return(true);
} finally {
cmd.Dispose();
CloseConnection();
}
// return false;
}
public bool InsertDBFrmList(ArrayList list, string _NameSpaceName, string _ObjeclClassName)
{
if (list == null || list.Count <= 0)
{
return(false);
}
Assembly assembly = Assembly.Load(_NameSpaceName);
object obj = assembly.CreateInstance(_ObjeclClassName);
if (null == obj)
{
return(false);
}
Type type = obj.GetType();
PropertyInfo[] ps = type.GetProperties();
Conn = OracleConnManager.GetCon();
OracleTransaction tr = Conn.BeginTransaction();
OracleCommand cmd = this.Conn.CreateCommand();
cmd.Transaction = tr;
try {
string _fs = "";
string _vs = "";
foreach (PropertyInfo pi in ps) //循环每个字段
{
string _fieldName = pi.Name;
_fs += _fieldName + ",";
_vs += "@" + _fieldName + ",";
}
string _tn = _ObjeclClassName.Substring(_ObjeclClassName.LastIndexOf('.') + 1);
string sql = "insert into " + _tn + " (" + _fs.Substring(0, _fs.Length - 1) + ") values ("
+ _vs.Substring(0, _vs.Length - 1) + ")";
foreach (object item in list)
{
cmd.CommandText = sql;
foreach (PropertyInfo pi in ps) //循环每个字段
{
string _fieldName = pi.Name;
string _typeName = pi.PropertyType.Name;
object _valueObj = pi.GetValue(item, null);
if (_typeName.ToLower().Contains("string"))
{
if (_valueObj == null)
{
_valueObj = "";
}
}
else if (_typeName.ToLower().Contains("double"))
{
if (_valueObj == null)
{
_valueObj = 0.0;
}
}
else if (_typeName.ToLower().Contains("int"))
{
if (_valueObj == null)
{
_valueObj = 0;
}
}
cmd.Parameters.AddWithValue("@" + _fieldName, _valueObj);
}
cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
}
tr.Commit();
return(true);
} catch (Exception e) {
try {
tr.Rollback();
} catch (Exception) {
throw;
}
throw e;
} finally {
tr.Dispose();
tr = null;
cmd.Dispose();
cmd = null;
CloseConnection();
}
}
