private void metroButton1_Click(object sender, EventArgs e)
{
IngresConnection con = new IngresConnection(Login.myConnectionString);
con.Open();
IngresCommand cmd = new IngresCommand();
cmd.Connection = con;
cmd.CommandText = "rol_create";
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.Add(new IngresParameter("t_id_rol", IngresType.Decimal));
cmd.Parameters.Add(new IngresParameter("t_nombre", IngresType.VarChar));
cmd.Parameters["t_id_rol"].Value = 0;
cmd.Parameters["t_nombre"].Value = this.nombre.Text;
try
{
cmd.ExecuteNonQuery();
MetroMessageBox.Show(this, "Elemento creado correctamente.", "Nota", MessageBoxButtons.OK, MessageBoxIcon.Question);
}
catch (IngresException c)
{
MetroMessageBox.Show(this, c.ErrorCode + c.Message, "Error");
}
con.Close();
this.read();
}
private void Delete_Click(object sender, EventArgs e)
{
IngresConnection con = new IngresConnection(Login.myConnectionString);
con.Open();
IngresCommand cmd = new IngresCommand();
cmd.Connection = con;
cmd.CommandText = "rol_delete";
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.Add(new IngresParameter("t_id_rol", IngresType.Decimal));
cmd.Parameters["t_id_rol"].Value = int.Parse(this.metroTextBox1.Text);
IngresTransaction trans = con.BeginTransaction();
cmd.Transaction = trans;
try
{
cmd.ExecuteNonQuery();
trans.Commit();
MetroMessageBox.Show(this, "Elemento eliminado correctamente.", "Nota", MessageBoxButtons.OK, MessageBoxIcon.Question);
}
catch (IngresException c)
{
MetroMessageBox.Show(this, c.ErrorCode + c.Message, "Error");
}
con.Close();
this.read();
}
public override void ReaderExecuting(
DbCommand command, DbCommandInterceptionContext <DbDataReader> interceptionContext)
{
int i = 0;
int recordsAffected = 0;
statements = GetBatchStatements(command.CommandText);
if (statements != null)
{
foreach (String statement in statements)
{
if (++i >= statements.Count) // break if last
{ // probably a SELECT command
command.CommandText = statement
.Replace("__ingres_@@ROWCOUNT",
recordsAffected.ToString());;
break;
}
using (IngresCommand command2 = (command as IngresCommand).Clone())
{ // probably an INSERT command
command2.CommandText = statement;
// INSERT/UPDATE/DELETE using the command.Parameters
recordsAffected = command2.ExecuteNonQuery();
// clear parms on the SELECT since they were just consumed
command.Parameters.Clear();
}
} // end foreach (String statement in statements)
}
base.ReaderExecuting(command, interceptionContext); // SELECT
}
/// <summary>
/// Connect to two databases while automatically enlisting in the ambient Transaction,
/// and execute two non-query SQL commands under the TransactionScope.
/// Commit the Transaction by marking the TransactionScope complete,
/// if issueScopeComplete argument is set true for testing purposes.
/// </summary>
/// <param name="connString1">ConnectionString for database 1.</param>
/// <param name="connString2">ConnectionString for database 2.</param>
/// <param name="commandText1">Non-query CommandText to execute against database 1.</param>
/// <param name="commandText2">Non-query CommandText to execute against database 2.</param>
/// <param name="issueScopeComplete">If true, issue TransactionScope.Complete()</param>
static void ExecuteNonQueryWithinTransactionScope(
string connString1, string connString2,
string commandText1, string commandText2,
bool issueScopeComplete)
{
Console.WriteLine("\n\tUpdateUsingTransactionScope...\n");
using (TransactionScope scope = new TransactionScope())
{
using (IngresConnection conn1 = new IngresConnection(connString1))
{
using (IngresConnection conn2 = new IngresConnection(connString2))
{
Console.WriteLine("\tIngresConnection1.Open()...");
// Open the connection to the database and
// enlist in the ambient Transaction using MSDTC
conn1.Open();
Console.WriteLine("\tIngresConnection1.Open() complete\n");
Console.WriteLine("\tIngresConnection2.Open()...");
// Open the connection to the database and
// enlist in the ambient Transaction using MSDTC
conn2.Open();
Console.WriteLine("\tIngresConnection2.Open() complete\n");
try
{
IngresCommand cmd1 = conn1.CreateCommand();
cmd1.CommandText = commandText1;
cmd1.ExecuteNonQuery();
IngresCommand cmd2 = conn2.CreateCommand();
cmd2.CommandText = commandText2;
cmd2.ExecuteNonQuery();
// mark the Transaction complete
// mark the Transaction complete
if (issueScopeComplete) // test debug flag for testing scope.Complete
{
Console.WriteLine("\tTransactionScope completing...");
scope.Complete();
Console.WriteLine("\tTransactionScope complete\n");
}
// note: TransactionScope will not be committed until
// TransactionScope Dispose() is called.
}
catch (Exception ex)
{
string s = ex.ToString();
Console.WriteLine("\n\tApplication throws Exception!! " + s + "\n");
throw;
}
} // end using (IngresConnection2) // closes and disposes conn2
} // end using (IngresConnection1) // closes and disposes conn1
Console.WriteLine("\tTransactionScope.Dispose()...");
} // end using (TransactionScope) // calls System.Transactions.Dispose() --> System.Transactions.CommittableTransaction.Commit
Console.WriteLine("\tTransactionScope.Dispose() complete\n");
} // end ExecuteNonQueryWithinTransactionScope
} // end ExecuteNonQueryWithinExplicitTransactionScope
/// <summary>
/// Open a database and execute a non-query SQL string.
/// </summary>
/// <param name="connString"></param>
/// <param name="commandText"></param>
static void ExecuteNonQuery(
string connString, string commandText)
{
using (IngresConnection conn = new IngresConnection(connString))
{
conn.Open();
IngresCommand cmd = conn.CreateCommand();
cmd.CommandText = commandText;
cmd.ExecuteNonQuery();
} // end using (IngresConnection conn)
} // end ExecuteNonQuery
private void Update_Click(object sender, EventArgs e)
{
IngresConnection con = new IngresConnection(Login.myConnectionString);
con.Open();
IngresCommand cmd = new IngresCommand();
cmd.Connection = con;
cmd.CommandText = "empleado_update";
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.Add(new IngresParameter("t_id_empleado", IngresType.Decimal));
cmd.Parameters.Add(new IngresParameter("t_primer_nombre", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_segundo_nombre", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_primer_apellido", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_segundo_apellido", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_calle", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_avenida", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_num_casa", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_ciudad", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_departamento", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_referencia", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_correo_primario", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_correo_secundario", IngresType.VarChar));
cmd.Parameters.Add(new IngresParameter("t_fecha_nacimiento", IngresType.Date));
cmd.Parameters.Add(new IngresParameter("t_fecha_inicio", IngresType.Date));
cmd.Parameters["t_id_empleado"].Value = int.Parse(this.id.Text);
cmd.Parameters["t_primer_nombre"].Value = this.prinom.Text;
cmd.Parameters["t_segundo_nombre"].Value = this.senom.Text;
cmd.Parameters["t_primer_apellido"].Value = this.priape.Text;
cmd.Parameters["t_segundo_apellido"].Value = this.seape.Text;
cmd.Parameters["t_calle"].Value = this.ca.Text;
cmd.Parameters["t_avenida"].Value = this.avenida.Text;
cmd.Parameters["t_num_casa"].Value = this.numcasa.Text;
cmd.Parameters["t_ciudad"].Value = this.ciudad.Text;
cmd.Parameters["t_departamento"].Value = this.departamento.Text;
cmd.Parameters["t_referencia"].Value = this.referencia.Text;
cmd.Parameters["t_correo_primario"].Value = this.pricorreo.Text;
cmd.Parameters["t_correo_secundario"].Value = this.secorreo.Text;
cmd.Parameters["t_fecha_nacimiento"].Value = this.metroDateTime1.Value.ToString("yyyy-MM-dd");
cmd.Parameters["t_fecha_inicio"].Value = this.metroDateTime2.Value.ToString("yyyy-MM-dd");
try
{
cmd.ExecuteNonQuery();
MetroMessageBox.Show(this, "Elemento actualizado correctamente.", "Nota", MessageBoxButtons.OK, MessageBoxIcon.Question);
}
catch (IngresException c)
{
MetroMessageBox.Show(this, c.ErrorCode + c.Message, "Error");
}
con.Close();
this.read();
}
/// <summary>
/// Creates a role in the database.
/// </summary>
/// <param name="roleName">The rolename to create.</param>
/// <param name="roleid">The role id.</param>
/// <param name="conn">The Ingres connection to use.</param>
/// <param name="tran">The Ingres transaction to use.</param>
private void CreateRole(string roleName, out string roleid, IngresConnection conn, IngresTransaction tran)
{
// Validate the roleName
ValidationUtil.CheckParameterIsOK(ref roleName, true, true, true, 256, "roleName");
// Ensure that the proposed roleName does not already exist
if (this.RoleExists(roleName))
{
throw new ProviderException(string.Format(Messages.RoleAlreadyExists, roleName));
}
string sql = @"
INSERT INTO aspnet_Roles
(ApplicationId,
RoleId,
RoleName,
LoweredRoleName,
Description)
VALUES
(?,
?,
?,
?,
NULL)
";
// Create the command with the current connection and enrol in the transaction
IngresCommand cmd = new IngresCommand(sql, this.conn);
cmd.Transaction = this.tran;
cmd.CommandTimeout = this.config.CommandTimeout;
// Generate a new role Id - this will be the sent out
roleid = Guid.NewGuid().ToString().ToLower();
// Add the required parameters
cmd.Parameters.Add("ApplicationId", DbType.String).Value = this.ApplicationId;
cmd.Parameters.Add("RoleId", DbType.String).Value = roleid;
cmd.Parameters.Add("RoleName", DbType.String).Value = roleName;
cmd.Parameters.Add("LoweredRoleName", DbType.String).Value = roleName.ToLower();
// Execute the query
int rows = cmd.ExecuteNonQuery();
// Validate that the query affected the correct numbber of rows.
if (rows != 1)
{
throw new ProviderException(string.Format(Messages.UnknownError));
}
}
/// <summary>
/// Helper method to create a user.
/// </summary>
/// <param name="username">The username that we wish to create.</param>
/// <returns>The Id for the newly created user.</returns>
private string CreateUser(string username)
{
// Validate the username
ValidationUtil.CheckParameterIsOK(ref username, true, true, true, 256, "username");
string id = Guid.NewGuid().ToString().ToLower();
string sql = @"
INSERT INTO aspnet_Users
(ApplicationId,
UserId,
UserName,
LoweredUserName,
MobileAlias,
IsAnonymous,
LastActivityDate)
VALUES
(?,
?,
?,
?,
NULL,
'0',
?)
";
IngresCommand cmd = new IngresCommand(sql, this.conn);
cmd.Parameters.Add("ApplicationId", DbType.String).Value = this.ApplicationId.ToLower();
cmd.Parameters.Add("UserId", DbType.String).Value = id;
cmd.Parameters.Add("UserName", DbType.String).Value = username;
cmd.Parameters.Add("LoweredUserName", DbType.String).Value = username.ToLower();
cmd.Parameters.Add("LastActivity", DbType.Date).Value = DateTime.Now;
int rows = cmd.ExecuteNonQuery();
if (rows != 1)
{
throw new ProviderException(string.Format(Messages.UnknownError));
}
// the user has been successfully created and so we return the id.
return(id);
}
static void TestDbProc(string connstring, Type type)
{
int recsaffected;
string strSeq;
string strName;
IngresConnection conn = new IngresConnection(connstring);
IngresCommand cmd;
Console.WriteLine("\nTestDbProc (using " + type.ToString()
+ ") to database: " + conn.Database);
conn.Open();
cmd = new IngresCommand(
"declare global temporary table session.tab (seq integer," +
"tabname varchar(32), tabowner varchar(32), numpages integer)" +
" on commit preserve rows with norecovery", conn);
recsaffected = cmd.ExecuteNonQuery();
Console.WriteLine("ExecuteNonQuery(\"declare gtt\") returned " +
recsaffected.ToString());
cmd = new IngresCommand(
"insert into session.tab (tabname,tabowner,numpages)" +
" select table_name,table_owner,number_pages from iitables", conn);
recsaffected = cmd.ExecuteNonQuery();
Console.WriteLine("ExecuteNonQuery(\"insert into gtt\") returned " +
recsaffected.ToString());
cmd = new IngresCommand(
"{ call gttproc(gtt1 = session.tab)}", conn);
// "{ call gttproc(session.tab)}", conn);
cmd.CommandType = CommandType.Text;
recsaffected = cmd.ExecuteNonQuery();
Console.WriteLine("ExecuteNonQuery(\"execute proc\") returned " +
recsaffected.ToString());
cmd = new IngresCommand(
"select seq,tabname from session.tab", conn);
IngresDataReader reader = cmd.ExecuteReader();
Console.Write(reader.GetName(0) + "\t");
Console.Write(reader.GetName(1));
Console.WriteLine();
while (reader.Read())
{
strSeq = reader.IsDBNull(0)?
"<none>":reader.GetInt32(0).ToString();
strName = reader.IsDBNull(1)?
"<none>":reader.GetString(1);
Console.WriteLine(strSeq + "\t" + strName);
} // end while loop through result set
reader.Close();
conn.Close();
}
/// <summary>
/// Takes, as input, a list of user names and a list of role names and removes the
/// specified users from the specified roles.
/// </summary>
/// <remarks>
/// This is the main implementation for the <c>RemoveUsersFromRoles</c> method of the provider. Please
/// see the corresponding method in the Facade, which calls this method, for full documentaion.
/// </remarks>
/// <param name="usernames">The array of usernames.</param>
/// <param name="roleNames">The array of roles.</param>
internal void RemoveUsersFromRoles(string[] usernames, string[] roleNames)
{
// Validate the input parameters
ValidationUtil.CheckArrayParameterIsOk(ref roleNames, true, true, true, 256, "roleNames");
ValidationUtil.CheckArrayParameterIsOk(ref usernames, true, true, true, 256, "usernames");
// Instantiate lists to hold the calculated user and role Ids.
List <string> userIdsList = new List <string>();
List <string> roleIdsList = new List <string>();
// Ensure that all of the roleNames are valid
foreach (string username in usernames)
{
string userId = this.GetUserIdByName(username);
if (userId == null)
{
throw new ProviderException(string.Format(Messages.UserWasNotFound, username));
}
userIdsList.Add(userId);
}
// Ensure that all of the roleNames are valid
foreach (string rolename in roleNames)
{
string roleId = this.GetRoleIdByName(rolename);
if (roleId == null)
{
throw new ProviderException(string.Format(Messages.RoleNotFound, rolename));
}
roleIdsList.Add(roleId);
}
// Ensure that the users are actually the the roles to begin with!
foreach (string username in usernames)
{
foreach (string rolename in roleNames)
{
if (!this.IsUserInRole(username, rolename))
{
throw new ProviderException(string.Format(Messages.UserAlreadyNotInRole, username, rolename));
}
}
}
// Build up the SQL string
string sql = @"
DELETE FROM aspnet_UsersInRoles
WHERE
UserId = ?
AND RoleId = ?
";
// Create a new command and enrol in the current transaction.
IngresCommand cmd = new IngresCommand(sql, this.conn);
cmd.Transaction = this.tran;
cmd.CommandTimeout = this.config.CommandTimeout;
// Add the required parameters
IngresParameter userParm = cmd.Parameters.Add("UserId", DbType.String);
IngresParameter roleParm = cmd.Parameters.Add("RoleId", DbType.String);
// For each user
foreach (string userId in userIdsList)
{
// For each role
foreach (string roleId in roleIdsList)
{
userParm.Value = userId;
roleParm.Value = roleId;
// Remove the user from the role
cmd.ExecuteNonQuery();
}
}
}
/// <summary>
/// Takes, as input, a role name and a Boolean value that indicates whether to throw an
/// exception if there are users currently associated with the role, and then deletes the
/// specified role.
/// </summary>
/// <remarks>
/// This is the main implementation for the <c>DeleteRole</c> method of the provider. Please
/// see the corresponding method in the Facade, which calls this method, for full documentaion.
/// </remarks>
/// <param name="roleName">The user name that we wish to delete.</param>
/// <param name="throwOnPopulatedRole">Whether we should throw an exception if the role
/// we wish to delete has any users in the role or not.</param>
/// <returns>Whether the role was successfully deleted.</returns>
internal bool DeleteRole(string roleName, bool throwOnPopulatedRole)
{
// Validate the rolename
ValidationUtil.CheckParameterIsOK(ref roleName, true, true, true, 256, "roleName");
// The roleName should exist
if (!this.RoleExists(roleName))
{
throw new ProviderException(string.Format(Messages.RoleNotFound, roleName));
}
// If we have to throw errors for a poupulated roll then we must check if there are
// any users in the role.
if (throwOnPopulatedRole && (this.GetUsersInRole(roleName).Length > 0))
{
throw new ProviderException(string.Format(Messages.RoleNotEmpty));
}
string sqlDeleteUsersInRoles = @"
DELETE FROM aspnet_UsersInRoles
WHERE
RoleId = ?
";
// Create a new command and enrol in the current transactions
IngresCommand cmdDeleteUsersInRoles = new IngresCommand(sqlDeleteUsersInRoles, this.conn);
cmdDeleteUsersInRoles.Transaction = this.tran;
cmdDeleteUsersInRoles.CommandTimeout = this.config.CommandTimeout;
// Add the required parameter
cmdDeleteUsersInRoles.Parameters.Add("RoleId", DbType.String).Value = this.GetRoleIdByName(roleName);
// Delete the users
cmdDeleteUsersInRoles.ExecuteNonQuery();
string sqlDeleteRoles = @"
DELETE FROM aspnet_Roles
WHERE
LoweredRolename = ?
AND ApplicationId = ?
";
// Create a new command and enrol in the current transaction
IngresCommand cmdDeleteRoles = new IngresCommand(sqlDeleteRoles, this.conn);
cmdDeleteRoles.Transaction = this.tran;
cmdDeleteRoles.CommandTimeout = this.config.CommandTimeout;
// Add the required paramaters
cmdDeleteRoles.Parameters.Add("LoweredRolename", DbType.String).Value = roleName.ToLower();
cmdDeleteRoles.Parameters.Add("ApplicationId", DbType.String).Value = this.ApplicationId;
// Finally delete the role
int rows = cmdDeleteRoles.ExecuteNonQuery();
// If more than one row was effected then throw an error
if (rows != 1)
{
throw new ProviderException(string.Format(Messages.UnknownError));
}
return(true);
}
/// <summary>
/// Takes, as input, a list of user names and a list of role names and adds the specified
/// users to the specified roles.
/// </summary>
/// <remarks>
/// This is the main implementation for the <c>AddUsersToRoles</c> method of the provider. Please
/// see the corresponding method in the Facade, which calls this method, for full documentaion.
/// </remarks>
/// <param name="usernames">A list of user names.</param>
/// <param name="roleNames">A list of roles.</param>
internal void AddUsersToRoles(string[] usernames, string[] roleNames)
{
// Note: Most of this validation is also done by the .NET framework - however I will
// explicitly do it here also.
ValidationUtil.CheckArrayParameterIsOk(ref roleNames, true, true, true, 256, "roleNames");
ValidationUtil.CheckArrayParameterIsOk(ref usernames, true, true, true, 256, "usernames");
// Ensure that all of the roleNames are valid.
foreach (string rolename in roleNames)
{
if (!this.RoleExists(rolename))
{
throw new ProviderException(string.Format(Messages.RoleNotFound, rolename));
}
}
// Ensure that all of the usernames are valid.
foreach (string username in usernames)
{
if (!this.UserExists(username))
{
throw new ProviderException(string.Format(Messages.UserWasNotFound, username));
}
}
// Ensure that all of the users actually are in the roles.
foreach (string username in usernames)
{
foreach (string rolename in roleNames)
{
if (this.IsUserInRole(username, rolename))
{
throw new ProviderException(string.Format(Messages.UserAlreadyInRole, username, rolename));
}
}
}
// Instantiate a string to hold the required SQL
string sql = @"
INSERT INTO aspnet_UsersInRoles
(UserId,
RoleId)
VALUES
(?,
?)
";
// Create a new command and enrol in the current transaction
IngresCommand cmd = new IngresCommand(sql, this.conn);
cmd.Transaction = this.tran;
cmd.CommandTimeout = this.config.CommandTimeout;
// Add the required parameters
IngresParameter userParam = cmd.Parameters.Add("UserId", DbType.String);
IngresParameter roleParam = cmd.Parameters.Add("RoleId", DbType.String);
// Note: this if a bit "row at a time" style rather than "chunk at a time"
// processing - however it makes for easier to read and understand code and
// allows for a static parameterized SQL string. If performance is poor then
// this could be changed.
// for each user
foreach (string username in usernames)
{
// obtain the user id
string userId = this.GetUserIdByName(username);
// for each rolename
foreach (string rolename in roleNames)
{
// obtain role id
string roleId = this.GetRoleIdByName(rolename);
userParam.Value = userId;
roleParam.Value = roleId;
// try to add user to role
// The number of rows affected
int rows = cmd.ExecuteNonQuery();
// One row should be affected
if (rows != 1)
{
throw new ProviderException(string.Format(Messages.UnknownError));
}
}
}
}
/// <summary>
/// Creates an application in the database.
/// </summary>
/// <param name="name">The name of the application to create.</param>
/// <param name="id">The Id of the application to create.</param>
private void CreateApplication(string name, out string id)
{
// Ensure that the proposed rolename is of a valid form and does not already exist
if (name.IndexOf(',') > 0)
{
throw new ArgumentException(Messages.ApplicationNamesCannotContainCommas);
}
// Build up the command and connection details
id = null;
string sql = @"
SELECT
ApplicationId
FROM
aspnet_Applications
WHERE
LoweredApplicationName = ?
";
IngresCommand cmd = new IngresCommand(sql, this.conn);
cmd.Transaction = this.tran;
cmd.CommandTimeout = this.config.CommandTimeout;
cmd.Parameters.Add("LoweredApplicationName", DbType.String).Value = name.ToLower();
IngresDataReader datareader = cmd.ExecuteReader();
if (datareader != null)
{
if (datareader.HasRows)
{
datareader.Read();
id = datareader.GetString(0);
datareader.Close();
return;
}
id = Guid.NewGuid().ToString();
}
if (datareader != null)
{
datareader.Close();
}
sql = @"
INSERT INTO aspnet_Applications
(ApplicationId,
ApplicationName,
LoweredApplicationName)
VALUES
(?,
?,
?)
";
cmd = new IngresCommand(sql, this.conn);
cmd.Transaction = this.tran;
cmd.CommandTimeout = this.config.CommandTimeout;
cmd.Parameters.Add("ApplicationId", DbType.String).Value = id;
cmd.Parameters.Add("ApplicationName", DbType.String).Value = name;
cmd.Parameters.Add("LoweredApplicationName", DbType.String).Value = name.ToLower();
cmd.ExecuteNonQuery();
return;
}
