/// <summary>
/// 关闭连接
/// </summary>
public void ConnectionClose()
{
if (_conn.State == ConnectionState.Open)
{
_conn.Close();
}
}
static void Main(string[] args)
{
/*
* Traditional TNS Definition
* ORA11G =
* (DESCRIPTION =
* (ADDRESS = (PROTOCOL = TCP)(HOST = ora11g-win.windsor.com)(PORT = 1521))
* (CONNECT_DATA =
* (SERVER = DEDICATED)
* (SID = ora11g)
* )
* )
*
* .Net Connection String information:
* "user id=NV_NSITE_DEV;password=memorial;data source=(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ora11g-win.windsor.com)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=ora11g)))"
*
* Easy Connect Naming version (standard):
* "User Id=NV_NSITE_DEV;password=memorial;Data Source=host[port - default 1521][/servicename]"
*
* Easy Connect Naming version (dedicated server):
* "User Id=NV_NSITE_DEV;password=memorial;Data Source=ora11g-win.windsor.com/ora11g:dedicated"
*
*/
string connectionString = "user id=NV_NSITE_DEV;password=memorial;data source=(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ora11g-win.windsor.com)(PORT=1521))(CONNECT_DATA=(SERVICER=DEDICATED)(SID=ora11g)))";
//string connectionString = "Data Source=NV_NSITE_DEV/[email protected]:1521/ora11g";
Console.WriteLine("Connecting with System.Data.OracleClient");
#pragma warning disable 618
using (var connection = new System.Data.OracleClient.OracleConnection(connectionString))
#pragma warning restore 618
{
try
{
connection.Open();
Console.WriteLine("Connection Successful using System.Data.OracleClient (deprecated)");
connection.Close();
}
catch (OracleException ex)
{
Console.WriteLine(ex.ToString());
}
}
Console.WriteLine("Connecting with Oracle.DataAccess.Client.OracleConnection");
using (OracleConnection connection = new OracleConnection(connectionString))
{
try
{
connection.Open();
Console.WriteLine("Connection Successful using Oracle.DataAccess");
connection.Close();
}
catch (OracleException ex)
{
Console.WriteLine(ex.ToString());
}
}
}
private void bOK_Click(object sender, EventArgs e)
{
string strServer, strUser, strPassword;
string Return_Value;
System.Data.OracleClient.OracleConnection con = new System.Data.OracleClient.OracleConnection();
strServer = textBoxServer.Text;
strUser = textBoxLog.Text;
strPassword = textBoxPass.Text;
Return_Value = INIExists(inifile);
if (!String.IsNullOrEmpty(Return_Value))
{
MessageBox.Show(Return_Value);
return;
}
string connStr = "Data Source=" + strServer + ";User Id=" + strUser + ";Password="******";Integrated Security=no;";
con.ConnectionString = connStr;
try
{
con.Open();
}
catch (Exception ex)
{
con.Close();
MessageBox.Show("数据库连接失败！" + ex.Message, "仪器数据接收", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
strServer = EncryptDES(strServer, "zlsofthis");
strUser = EncryptDES(strUser, "zlsofthis");
strPassword = EncryptDES(strPassword, "zlsofthis");
long OpStation = WritePrivateProfileString("EQUIPMENT", "DBSERVER", strServer, System.AppDomain.CurrentDomain.BaseDirectory.ToString() + inifile);
if (OpStation == 0)
{
MessageBox.Show("未找到段落【EQUIPMENT】或关键字【DBSERVER】!");
}
OpStation = WritePrivateProfileString("EQUIPMENT", "LOGID", strUser, System.AppDomain.CurrentDomain.BaseDirectory.ToString() + inifile);
if (OpStation == 0)
{
MessageBox.Show("未找到段落【EQUIPMENT】或关键字【LOGID】!");
}
OpStation = WritePrivateProfileString("EQUIPMENT", "LOGPASS", strPassword, System.AppDomain.CurrentDomain.BaseDirectory.ToString() + inifile);
if (OpStation == 0)
{
MessageBox.Show("未找到段落【EQUIPMENT】或关键字【LOGPASS】!");
}
this.DialogResult = DialogResult.OK;
}
//Connection to Oracle database
public System.Data.DataTable OracOLEds(string SqlString, string constring, int rowlimit)
{
DataTable dt = new DataTable();
if (rowlimit > 0)
{
try
{
using (System.Data.OracleClient.OracleConnection OracConnect = new System.Data.OracleClient.OracleConnection(constring))
{
OracConnect.Open();
System.Data.OracleClient.OracleCommand OraCmd = new System.Data.OracleClient.OracleCommand(SqlString, OracConnect);
System.Data.OracleClient.OracleDataReader Oraxreader = OraCmd.ExecuteReader();
DataSet ds = new DataSet();
ds.Load(Oraxreader, LoadOption.OverwriteChanges, "Result");
var ddt = ds.Tables[0].AsEnumerable().Take(rowlimit);
dt = ddt.CopyToDataTable <DataRow>();
Oraxreader.Close();
OracConnect.Close();
}
}
catch (Exception exOrac)
{
var ex1 = exOrac.Message;
}
}
else
{
try
{
using (System.Data.OracleClient.OracleConnection OracConnect = new System.Data.OracleClient.OracleConnection(constring))
{
OracConnect.Open();
System.Data.OracleClient.OracleCommand OraCmd = new System.Data.OracleClient.OracleCommand(SqlString, OracConnect);
System.Data.OracleClient.OracleDataReader Oraxreader = OraCmd.ExecuteReader();
DataSet ds = new DataSet();
ds.Load(Oraxreader, LoadOption.OverwriteChanges, "Result");
dt = ds.Tables[0];
Oraxreader.Close();
OracConnect.Close();
}
}
catch (Exception exOrac)
{
var ex1 = exOrac.Message;
}
}
return(dt);
}
public void Login_Load(object sender, EventArgs e)
{
System.Data.OracleClient.OracleConnection con = new System.Data.OracleClient.OracleConnection();
con.ConnectionString = OracleHelper.GetConnectionstring();
try
{
con.Open();
}
catch (Exception ex)
{
con.Close();
return;
}
this.DialogResult = DialogResult.OK;
}
protected void GrdViewDocs_ItemCommand(object sender, GridCommandEventArgs e)
{
if (e.CommandName == "Select")
{
GridDataItem dataitem = e.Item as GridDataItem;
//DataTable dtcon = CM_Main.SelectJob("CASE11", dataitem["REQUEST_ID"].Text, "", "", "", "", System.DateTime.Now);
//grdRequest.DataSource = dtcon;
//grdRequest.DataBind();
// int idx = dataitem["REQUEST_ID"].Text;
// Label lbl = dataitem["ID"].Text;
System.Data.OracleClient.OracleConnection conn = new System.Data.OracleClient.OracleConnection(ConfigurationManager.ConnectionStrings["CGConnectionString"].ToString());
System.Data.OracleClient.OracleCommand myCommand = new System.Data.OracleClient.OracleCommand("SELECT * FROM wf_cm_docs_jobwise_blob WHERE ID = '" + dataitem["ID"].Text + "'", conn);
conn.Open();
System.Data.OracleClient.OracleDataReader myReader = myCommand.ExecuteReader(System.Data.CommandBehavior.Default);
try
{
while (myReader.Read())
{
System.Data.OracleClient.OracleLob myLob = myReader.GetOracleLob(myReader.GetOrdinal("DOCUMENT"));
if (!myLob.IsNull)
{
string FN = myReader.GetString(myReader.GetOrdinal("DOCUMENT_NAME"));
//Use buffer to transfer data
byte[] b = new byte[myLob.Length];
//Read data from database
myLob.Read(b, 0, (int)myLob.Length);
Response.AddHeader("content-disposition", "attachment;filename=" + FN);
Response.ContentType = "application/octectstream";
Response.BinaryWrite(b);
Response.End();
}
}
}
finally
{
myReader.Close();
conn.Close();
}
}
}
protected void DataList2_SelectedIndexChanged(object sender, EventArgs e)
{
int idx = DataList2.SelectedIndex;
Label lbl = (Label)DataList2.Items[idx].FindControl("Label2");
System.Data.OracleClient.OracleConnection conn = new System.Data.OracleClient.OracleConnection(ConfigurationManager.ConnectionStrings["CGConnectionString"].ToString());
System.Data.OracleClient.OracleCommand myCommand = new System.Data.OracleClient.OracleCommand("SELECT * FROM wf_it_images WHERE ID = '" + lbl.Text + "'", conn);
conn.Open();
System.Data.OracleClient.OracleDataReader myReader = myCommand.ExecuteReader(System.Data.CommandBehavior.Default);
try
{
while (myReader.Read())
{
System.Data.OracleClient.OracleLob myLob = myReader.GetOracleLob(myReader.GetOrdinal("IMAGE"));
if (!myLob.IsNull)
{
string FN = myReader.GetString(myReader.GetOrdinal("IMAGE_NAME"));
//Use buffer to transfer data
byte[] b = new byte[myLob.Length];
//Read data from database
myLob.Read(b, 0, (int)myLob.Length);
Response.AddHeader("content-disposition", "attachment;filename=" + FN);
Response.ContentType = "application/octectstream";
Response.BinaryWrite(b);
Response.End();
}
}
}
finally
{
myReader.Close();
conn.Close();
}
}
//total marks
//procedure
private void button1_Click(object sender, EventArgs e)
{
try
{
String oradb = "Data Source=DESKTOP-K6AG53J;Persist Security Info=True;User ID=system;Password=student;";
System.Data.OracleClient.OracleConnection conn = new System.Data.OracleClient.OracleConnection(oradb);
//conn.Open();
System.Data.OracleClient.OracleCommand comm = new System.Data.OracleClient.OracleCommand();
comm.Connection = conn;
comm.CommandText = "tot_marks";
comm.CommandType = CommandType.StoredProcedure;
comm.Parameters.Add("s_id", System.Data.OracleClient.OracleType.Number).Value = s1;
comm.Parameters.Add("co_id", System.Data.OracleClient.OracleType.Number).Value = comboBox1.Text;
comm.Parameters.Add("cout", System.Data.OracleClient.OracleType.Number).Direction = ParameterDirection.Output;
conn.Open();
comm.ExecuteNonQuery();
textBox1.Text = (comm.Parameters["cout"].Value).ToString();
conn.Close();
}
catch (IndexOutOfRangeException ex)
{
MessageBox.Show("Invalid Details!");
}
}
/// <summary>
/// 执行连接
/// </summary>
/// <returns></returns>
public string DoConn()
{
if (this.No == "local")
{
return("本地连接不需要测试是否连接成功.");
}
if (this.DBSrcType == Sys.DBSrcType.Localhost)
{
throw new Exception("@在该系统中只能有一个本地连接.");
}
string dsn = "";
if (this.DBSrcType == Sys.DBSrcType.SQLServer)
{
try
{
dsn = "Password="******";Persist Security Info=True;User ID=" + this.UserID + ";Initial Catalog=" + this.DBName + ";Data Source=" + this.IP + ";Timeout=999;MultipleActiveResultSets=true";
System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection();
conn.ConnectionString = dsn;
conn.Open();
conn.Close();
//删除应用.
try
{
BP.DA.DBAccess.RunSQL("Exec sp_droplinkedsrvlogin " + this.No + ",Null ");
BP.DA.DBAccess.RunSQL("Exec sp_dropserver " + this.No);
}
catch
{
}
//创建应用.
string sql = "";
sql += "sp_addlinkedserver @server='" + this.No + "', @srvproduct='', @provider='SQLOLEDB', @datasrc='" + this.IP + "'";
BP.DA.DBAccess.RunSQL(sql);
//执行登录.
sql = "";
sql += " EXEC sp_addlinkedsrvlogin '" + this.No + "','false', NULL, '" + this.UserID + "', '" + this.Password + "'";
BP.DA.DBAccess.RunSQL(sql);
return("恭喜您，该(" + this.Name + ")连接配置成功。");
}
catch (Exception ex)
{
return(ex.Message);
}
}
if (this.DBSrcType == Sys.DBSrcType.Oracle)
{
try
{
dsn = "user id=" + this.UserID + ";data source=" + this.DBName + ";password="******";Max Pool Size=200";
System.Data.OracleClient.OracleConnection conn = new System.Data.OracleClient.OracleConnection();
conn.ConnectionString = dsn;
conn.Open();
conn.Close();
return("恭喜您，该(" + this.Name + ")连接配置成功。");
}
catch (Exception ex)
{
return(ex.Message);
}
}
if (this.DBSrcType == Sys.DBSrcType.MySQL)
{
try
{
dsn = "Data Source=" + this.IP + ";Persist Security info=True;Initial Catalog=" + this.DBName + ";User ID=" + this.UserID + ";Password="******";";
MySql.Data.MySqlClient.MySqlConnection conn = new MySql.Data.MySqlClient.MySqlConnection();
conn.ConnectionString = dsn;
conn.Open();
conn.Close();
return("恭喜您，该(" + this.Name + ")连接配置成功。");
}
catch (Exception ex)
{
return(ex.Message);
}
}
// if (this.DBSrcType == Sys.DBSrcType.Infomax)
//{
// try
// {
////Host=10.0.2.36;Service=8001;Server=niosserver; Database=ccflow; UId=npmuser; Password=npmoptr2012;Database locale=en_US.819;Client Locale=en_US.CP1252
// dsn = "Data Source="+this.IP+";Persist Security info=True;Initial Catalog="+this.DBName+";User ID="+this.UserID+";Password="******";";
// MySql.Data.MySqlClient.MySqlConnection conn = new MySql.Data.MySqlClient.MySqlConnection();
// conn.ConnectionString = dsn;
// conn.Open();
// conn.Close();
// return "恭喜您，该(" + this.Name + ")连接配置成功。";
// }
// catch (Exception ex)
// {
// return ex.Message;
// }
//}
return("没有涉及到的连接测试类型...");
}
private void Form1_Closed(object sender, System.EventArgs e)
{
oracleConnection.Close();
}
public void Close()
{
_con.Close();
}
public void CloseDatabase()
{
connOracle.Close();
connOracle.Dispose();
}
