0
public DataSet ListaClientes()
{
DataSet ds = new DataSet();
try
{
System.Data.OracleClient.OracleConnection conexion = Conexion.GetConnection();
if (conexion.State == System.Data.ConnectionState.Open)
{
System.Data.OracleClient.OracleCommand cmd = new System.Data.OracleClient.OracleCommand();
cmd.Connection = conexion;
cmd.CommandText = "ListadoClientes";
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("resul", OracleDbType.RefCursor).Direction = ParameterDirection.Output;
cmd.ExecuteNonQuery();
conexion.Close();
System.Data.OracleClient.OracleDataAdapter da = new System.Data.OracleClient.OracleDataAdapter(cmd);
da.Fill(ds);
}
return ds;
}
catch(Exception e)
{
throw e;
}
}
Oracle存儲過程:
CREATE OR REPLACE PROCEDURE ListadoClientes(resul OUT sys_refcursor)
IS
BEGIN
OPEN resul for select ID ,NOMBRES ,APELLIDOS ,CEDULA ,DIRECCION ,TELEFONO
from cliente;
END ListadoClientes;
ERROR從C#CATCH塊可見:
ORA-06550: line 1, column 7:
PLS-00306: wrong number or types of arguments in call to 'LISTADOCLIENTES'
ORA-06550: line 1, column 7: PL/SQL: Statement ignored