本文整理汇总了C#中OracleCommand类的典型用法代码示例。如果您正苦于以下问题：C# OracleCommand类的具体用法？C# OracleCommand怎么用？C# OracleCommand使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
OracleCommand类属于命名空间，在下文中一共展示了OracleCommand类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetUser
public static User GetUser(string username)
{
User user = null;
if (username != null)
{
try
{
using (OracleConnection connection = new OracleConnection(CONNECTION_STRING))
{
OracleCommand command = new OracleCommand();
command.CommandText = "SELECT password,customerId,securityQuestion,securityAnswer,email FROM Users WHERE username LIKE :username";
command.Parameters.Add(":username", OracleDbType.NVarchar2).Value = username;
command.Connection = connection;
connection.Open();
OracleDataReader reader = command.ExecuteReader();
while (reader.Read())
{
string password = reader["password"].ToString();
string customerId = reader["customerId"].ToString();
string securityQuestion = reader["securityQuestion"].ToString();
string securityAnswer = reader["securityAnswer"].ToString();
string email = reader["email"].ToString();
user = new User(username, password, customerId, securityQuestion, securityAnswer, email);
}
}
}
catch (Exception e)
{
user = null;
Logger.LogException(e);
}
}
return user;
}示例2: OracleSessionDetails
public OracleSessionDetails(OracleDBConnection connection)
{
InitializeComponent();
this.dbConnection = connection;
OracleConnection databaseConnection = dbConnection.getDatabaseConnection();
String query;
OracleCommand command = new OracleCommand("DBMS_SESSION.set_identifier",databaseConnection);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(dbConnection.getUsername(), OracleDbType.Char);
command.ExecuteNonQuery();
query = "SELECT SYS_CONTEXT('userenv', 'SID') AS SID, "
+ "SYS_CONTEXT('userenv', 'HOST') AS HOST, "
+ "USER AS username "
+ "FROM dual";
command = new OracleCommand(query, databaseConnection);
OracleDataReader reader;
command.CommandText = query;
command.CommandType = CommandType.Text;
reader = command.ExecuteReader();
while (reader.Read())
{
this.sessionListing.Rows.Add("SID", reader["SID"]);
this.sessionListing.Rows.Add("HOST", reader["HOST"]);
this.sessionListing.Rows.Add("DATABASE", dbConnection.getDatabaseConnection().DataSource);
this.sessionListing.Rows.Add("USER", reader["USERNAME"]);
}
reader.Close();
}示例3: button1_Click
private void button1_Click(object sender, EventArgs e)
{
string oradb = "Data Source=XE;User Id=system;Password=admin;";
OracleConnection conn = new OracleConnection(oradb);
conn.Open();
OracleCommand cmd = new OracleCommand();
cmd.Connection = conn;
cmd.CommandText = "Delete from pharm.DRUG where DRUG_ID=" + textBox1.Text + " ";
int rowsUpdated = cmd.ExecuteNonQuery();
if (rowsUpdated == 0)
MessageBox.Show("Record not deleted");
else
MessageBox.Show("Successfully deleted!");
conn.Dispose();
}示例4: ExecuteNonQuery
/// <summary>
/// Executes a query to the database, expecting no returning result
/// </summary>
/// <param name="query">Query to execute</param>
/// <param name="args">List of OracleParameters containing the named arguments</param>
/// <returns>True if the query succeeded (can still be 0 rows affected)</returns>
public static bool ExecuteNonQuery(string query, List<OracleParameter> args = null)
{
var result = -1;
try
{
using (var command = new OracleCommand(query, Connection) {BindByName = true})
{
if (args != null)
{
foreach (var arg in args)
{
command.Parameters.Add(arg);
}
}
result = command.ExecuteNonQuery();
}
}
catch (OracleException e)
{
Logger.Write(e.Message);
return false;
}
finally
{
Close();
}
return result >= 0;
}示例5: Upd
public void Upd(Assunto u)
{
using (OracleConnection conn = BaseDAO.GetConnection())
{
//Define o comando
using (OracleCommand cmd = new OracleCommand("ASSUNTO_tapi.upd", conn))
{
cmd.CommandType = CommandType.StoredProcedure;
//Define parametros
cmd.Parameters.Add("p_ID_ASSUNTO", u.Id_Assunto);
cmd.Parameters.Add("p_NOME", u.Nome);
//Executa
try
{
conn.Open();
cmd.ExecuteNonQuery();
}
catch (SqlException ex)
{
throw new Exception("Ocorreu o erro(BD): " + ex.Message);
}
catch (Exception ex)
{
throw new Exception("Erro: " + ex.Message);
}
finally
{
if (conn.State == ConnectionState.Open) { conn.Close(); }
}
}
}
}示例6: inicioSesion
public SesionUsuario inicioSesion(string userCorreo, string userPassword, string tipoUsuario)
{
base.abrirConexion();
OracleCommand cmd = new OracleCommand();
cmd.Connection = conexion;
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.CommandText = "pk_usuarios.session_login";
OracleParameter userCorreoP = new OracleParameter("correoLogin", OracleDbType.Varchar2, System.Data.ParameterDirection.Input);
userCorreoP.Value = userCorreo;
OracleParameter userPasswordP = new OracleParameter("passwordLogin", OracleDbType.Varchar2, System.Data.ParameterDirection.Input);
userPasswordP.Value = userPassword;
//cmd.Parameters.Add("co", OracleDbType.RefCursor).Direction = System.Data.ParameterDirection.Output;
OracleParameter tipoUsuarioP = new OracleParameter("rol", OracleDbType.Varchar2, System.Data.ParameterDirection.Input);
tipoUsuarioP.Value = tipoUsuario;
OracleParameter resultado = new OracleParameter("resultado", OracleDbType.RefCursor, System.Data.ParameterDirection.Output);
cmd.Parameters.AddRange(new OracleParameter[] { userCorreoP, userPasswordP, tipoUsuarioP, resultado });
OracleDataReader lectorDatos = cmd.ExecuteReader();
if (lectorDatos.HasRows)
{
lectorDatos.Read();
return new SesionUsuario() { id = lectorDatos.GetString(0), operacionExitosa = true, rol = tipoUsuario };
}
else
return new SesionUsuario() { id = string.Empty, operacionExitosa = false, rol = tipoUsuario };
}示例7: deleteCustomer
/**
Permite eliminar un cliente
*/
public string deleteCustomer(string id)
{
string deleteCustomer = "DELETE FROM CUSTOMERS.CUSTOMER WHERE Id = :Id";
OracleTransaction transaction;
using (OracleConnection connection = new OracleConnection())
{
connection.ConnectionString = ConfigurationManager.ConnectionStrings["customerDb"].ConnectionString;
try
{
connection.Open();
transaction = connection.BeginTransaction();
deleteCustomerAddress(id, connection, transaction);
using (OracleCommand command = new OracleCommand(deleteCustomer, connection))
{
command.Parameters.Add(new OracleParameter("Id", id));
command.ExecuteNonQuery();
transaction.Commit();
}
}
catch (Exception e)
{
throw new PlatformException(e.Message);
}
}
return "OK";
}示例8: agregarNoticia
public void agregarNoticia(string fecha_expiracionN, string contenidoN,string encabezadoN,string tituloN)
{
base.abrirConexion();
OracleCommand cmd = new OracleCommand();
cmd.Connection = conexion;
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.CommandText = "noticias_paquete.agregarNoticia";
OracleParameter fechaExpiracionP = new OracleParameter("fecha_expiracionN", OracleDbType.Varchar2, System.Data.ParameterDirection.Input);
fechaExpiracionP.Value = fecha_expiracionN;
OracleParameter contenidoP = new OracleParameter("contenidoN", OracleDbType.Varchar2, System.Data.ParameterDirection.Input);
contenidoP.Value = contenidoN;
OracleParameter encabezadoP = new OracleParameter("encabezadoN", OracleDbType.Varchar2, System.Data.ParameterDirection.Input);
encabezadoP.Value = encabezadoN;
OracleParameter tituloP = new OracleParameter("tituloN", OracleDbType.Varchar2, System.Data.ParameterDirection.Input);
tituloP.Value = tituloN;
cmd.Parameters.AddRange(new OracleParameter[] { fechaExpiracionP, contenidoP, encabezadoP, tituloP});
cmd.ExecuteNonQuery();
cmd.Dispose();
base.cerrarConexion();
}示例9: Button1_Click
protected void Button1_Click(object sender, EventArgs e)
{
string CS = ConfigurationManager.ConnectionStrings["oracle"].ConnectionString;
OracleConnection conn = new OracleConnection(CS);
using (OracleCommand cmd = new OracleCommand("insert into USER_TABLE (USER_ID,U_NAME,U_PASS,FULLNAME,CONTACT,EMAIL,DOB,U_LOCATION) values (U_ID_SEQ.NEXTVAL,'" + TextBox1.Text + "','" + TextBox3.Text + "','" + TextBox7.Text + "','" + TextBox5.Text + "','" + TextBox4.Text + "','" + TextBox6.Text + "','" + TextBox8.Text + "')", conn))
{
//cmd.Parameters.("@U_NAME",TextBox1.Text);
//cmd.Parameters.AddWithValue("@U_PASS",TextBox3.Text);
//cmd.Parameters.AddWithValue("@FULLNAME", TextBox7.Text);
//cmd.Parameters.AddWithValue("@CONTACT",TextBox5.Text);
//cmd.Parameters.AddWithValue("@EMAIL",TextBox4.Text);
//cmd.Parameters.AddWithValue("@DOB",TextBox6.Text);
//cmd.Parameters.AddWithValue("@U_LOCATION",TextBox8.Text);
conn.Open();
cmd.ExecuteNonQuery();
Label1.ForeColor = System.Drawing.Color.Green;
Label1.Text = "Data Saved In The Database";
}
//using(OracleCommand comd = new OracleCommand("select USER_ID from USER_TABLE where U_NAME = '"+TextBox1.Text+"'"))
//{
// string id= comd.ExecuteScalar().ToString();
// Session["Id"] = id;
//}
}示例10: AutocompleteText
void AutocompleteText()
{
textBox5.AutoCompleteMode = AutoCompleteMode.Suggest;
textBox5.AutoCompleteSource = AutoCompleteSource.CustomSource;
AutoCompleteStringCollection coll = new AutoCompleteStringCollection();
try
{
if (conn.State != ConnectionState.Open)
{
conn.Open();
}
string sqluery = "SELECT * FROM MED_INFO WHERE MED_MGF='" + comboBox1.Text + "' ORDER BY MED_NAME";
OracleCommand cd = new OracleCommand(sqluery, conn);
OracleDataReader r;
r = cd.ExecuteReader();
while(r.Read())
{
string sn = r.GetString(1);
coll.Add(sn);
}
r.Dispose();
cd.Dispose();
conn.Close();
}
catch (Exception exe)
{
MessageBox.Show(exe.Message);
}
textBox5.AutoCompleteCustomSource = coll;
}示例11: Album
// GET: Album
// [HttpPost]
public List<AlbumModels> Album()
{
OracleConnection conn = new OracleConnection(oradb);
conn.Open();
string selectStr = /* "insert into album(albumID,albumname,username) values('111','testalbum','KING')";*/
"select * "
+ "from album ";
// " +(Session["username"] as string)+"
OracleCommand cmd = new OracleCommand(selectStr, conn);
OracleDataReader dr = cmd.ExecuteReader();
var Models = new List<AlbumModels>();
while (dr.Read())
{
AlbumModels model = new AlbumModels();
model.AlbumName = dr["albumname"].ToString();
model.AlbumId = dr["albumid"].ToString();
//model.Username = Session["username"] as string ;
string selectStr1 = "select * from photo where albumid = " + model.AlbumId;
OracleCommand cmd1 = new OracleCommand(selectStr1, conn);
OracleDataReader dr1 = cmd1.ExecuteReader();
dr1.Read();
model.Firstphoto = dr1["photoaddress"].ToString();
Models.Add(model);
//Session.Add("currentAlbumName", albumName);
//Session.Add("currentAlbumId", albumId); //点击时保存到session
}
dr.Close();
int insertedLines = cmd.ExecuteNonQuery();
conn.Close();
conn.Dispose();
return Models;
}示例12: Handle
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Handle(DeployRequestDto request)
{
//Get the connection string
var sqlInputs = GetConnectionString(request);
//get the scripts folder
var directory = request.IntermediateDirectory;
//get the files in the folder
string[] fileEntries = Directory.GetFiles(directory);
foreach (string fileName in fileEntries)
{
try
{
string content = string.Format(File.ReadAllText(fileName));
using (var oracleConnection = new OracleConnection(sqlInputs.ConnectionString))
{
oracleConnection.Open();
var command = new OracleCommand();
var script = content.Replace("\t", " ");
script = script.Replace("\n", Environment.NewLine);
command.Connection = oracleConnection;
command.CommandText = script;
var result = command.ExecuteNonQuery();
Debug.Write(result);
}
}
catch (Exception ex)
{
Debug.Write("Exception message: " + ex.Message);
}
}
}示例13: AlterThread
/// <summary>
/// Changes the thread
/// </summary>
/// <param name="id">id used too identify the</param>
/// <param name="changes">all changes in the same order as the parameters</param>
/// <param name="paramaterToChanged">all parameters in the same order as the changes</param>
public static void AlterThread(int id, List<string> changes, List<string> paramaterToChanged)
{
OracleConnection conn = MakeConnection();
conn.Open();
string mainQuery = "UPDATE THREAD SET ";
OracleCommand command = new OracleCommand();
for (int i = 0; i < changes.Count; i++)
{
mainQuery += paramaterToChanged[i];
mainQuery += " = :" + paramaterToChanged[i];
command.Parameters.Add(new OracleParameter(paramaterToChanged[i], changes[i]));
}
mainQuery += " WHERE THREADID = :THREADID";
command.CommandText = mainQuery;
command.Connection = conn;
command.Parameters.Add(new OracleParameter("THREADID", id));
try
{
command.ExecuteNonQuery();
}
catch (Exception)
{
throw;
}
finally
{
conn.Close();
}
}示例14: IsAvailable
public static bool IsAvailable(string columnName, string value)
{
bool available = false;
if (!String.IsNullOrWhiteSpace(columnName) && value != null)
{
try
{
using (OracleConnection connection = new OracleConnection(CONNECTION_STRING))
{
OracleCommand command = new OracleCommand();
command.CommandText = String.Format("SELECT COUNT(*) FROM Users WHERE {0} LIKE :value",columnName);
command.Parameters.Add(":value", OracleDbType.NVarchar2).Value = value;
command.Connection = connection;
connection.Open();
int count = Convert.ToInt32(command.ExecuteScalar());
if (count==0)
available = true;
else
available = false;
}
}
catch (Exception e)
{
available = false;
Logger.LogException(e);
}
}
return available;
}示例15: Ins
public void Ins(Fabricante u)
{
using (OracleConnection conn = BaseDAO.GetConnection())
{
//Define o comando
using (OracleCommand cmd = new OracleCommand("FABRICANTE_tapi.ins", conn))
{
cmd.CommandType = CommandType.StoredProcedure;
//Define parametros
cmd.Parameters.Add("p_ID_FABRICANTE", u.Id_Fabricante);
cmd.Parameters.Add("p_NOME", u.Nome);
//Executa
try
{
conn.Open();
cmd.ExecuteNonQuery();
}
catch (OracleException ex)
{
throw new Exception("Ocorreu o erro(BD): " + ex.Message);
}
catch (Exception ex)
{
throw new Exception("Erro: " + ex.Message);
}
finally
{
if (conn.State == ConnectionState.Open) { conn.Close(); }
}
}
}
}