本文整理汇总了C#中MySql.Data.MySqlClient.MySqlConnection.Close方法的典型用法代码示例。如果您正苦于以下问题：C# MySqlConnection.Close方法的具体用法？C# MySqlConnection.Close怎么用？C# MySqlConnection.Close使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MySql.Data.MySqlClient.MySqlConnection的用法示例。
在下文中一共展示了MySqlConnection.Close方法的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: addBussesToDB
public static int addBussesToDB(List<string> bussesToAdd)
{
using (var connection = new MySqlConnection(DBConnection.getConnectionString()))
{
using (var cmd = connection.CreateCommand())
{
try
{
foreach (var bus in bussesToAdd)
{
cmd.CommandText = string.Format("INSERT INTO Bus (ID, IsDescending, fk_BusRoute) " +
"VALUES({0}, null, null)", bus);
connection.Open();
cmd.ExecuteNonQuery();
connection.Close();
}
return 0;
}
catch (Exception e)
{
if (connection.State == System.Data.ConnectionState.Open)
connection.Close();
Debug.WriteLine(e.Message);
if (e.Message == "Unable to connect to any of the specified MySQL hosts.")
return -3;
else
return -1;
}
}
}
}示例2: CreateBank
public int CreateBank(Bank b)
{
int ret = 0;
using (connect = new MySqlConnection(_connectionString))
{
connect.Open();
using (MySqlTransaction transaction = connect.BeginTransaction())
{
try
{
string query = "NewBank";
var cmd = new MySqlCommand(query, connect) { CommandType = CommandType.StoredProcedure };
cmd.Parameters.AddWithValue("SortCode", b.SortCode);
cmd.Parameters.AddWithValue("AccountNumber", b.ID);
ret = int.Parse(cmd.ExecuteScalar().ToString());
transaction.Commit();
connect.Close();
}
catch (InvalidOperationException ioException)
{
transaction.Rollback();
connect.Close();
}
}
}
return ret;
}示例3: GetAllBusStops
public static List<BusStops> GetAllBusStops()
{
string ConnectionString = System.Configuration.ConfigurationManager.ConnectionStrings["TrackABus"].ConnectionString;
using (var connection = new MySqlConnection(ConnectionString))
{
using (var cmd = connection.CreateCommand())
{
try
{
var stops = new List<BusStops>();
connection.Open();
cmd.CommandText = "SELECT StopName FROM BusStop;";
var read = cmd.ExecuteReader();
while (read.Read())
{
stops.Add(new BusStops(){busStopNames = read.GetString(0)});
}
read.Close();
connection.Close();
return stops;
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
connection.Close();
return null;
}
}
}
}示例4: ChangePassword
public void ChangePassword(User u, String password)
{
using (connect = new MySqlConnection(_connectionString))
{
connect.Open();
using (MySqlTransaction transaction = connect.BeginTransaction())
{
try
{
string query = "ChangePassword";
var cmd = new MySqlCommand(query, connect) { CommandType = CommandType.StoredProcedure };
cmd.Parameters.AddWithValue("pUID", u.username);
cmd.Parameters.AddWithValue("pPwd", password);
cmd.ExecuteNonQuery();
transaction.Commit();
connect.Close();
}
catch (InvalidOperationException ioException)
{
transaction.Rollback();
connect.Close();
}
}
}
}示例5: timer1_Tick
private void timer1_Tick(object sender, EventArgs e)
{
MySqlConnection cn = new MySqlConnection("server=localhost;user id=root; database=proyecto2; password=");
this.progressBar1.Increment(1);
if (progressBar1.Value == 100)
{
timer1.Stop();
cn.Open();
MySqlCommand cmd = new MySqlCommand("SELECT user_id FROM vs_users", cn);
MySqlDataAdapter da = new MySqlDataAdapter(cmd);
DataTable dt = new DataTable();
da.Fill(dt);
if (dt.Rows.Count > 0)
{
login entrada = new login();
entrada.Show();
this.Hide();
cn.Close();
}
else
{
registro entrada = new registro();
entrada.Show();
this.Hide();
cn.Close();
}
}
}示例6: MySqlUtility
public MySqlUtility(string csMySqlDB)
{
try
{
this.csConnectionString = csMySqlDB;
oMySqlConnection = new MySqlConnection(csMySqlDB);
//Make sure we can connect
oMySqlConnection.Open();
oMySqlConnection.Close();
}
catch (Exception ex)
{
throw new Exception("Error throw when trying to generate MySQL connection using the supplied connection string. See Inner Exception for details", ex);
}
finally
{
if (oMySqlConnection != null)
{
if (oMySqlConnection.State == System.Data.ConnectionState.Open)
{
oMySqlConnection.Close();
}
}
}
}示例7: InertNews
internal void InertNews(News news)
{
string sql = string.Format("insert into topic set date='{0}',url='{1}',place='{2}',level='{3}',reason='{4}',code='{5}',area_id='{6}'", news.Date, news.Detail_Url, news.Place, news.Level, news.Reason,news.Only,news.Area_Id);
string error = null;
MySqlConnection conn = null;
try
{
conn = new MySqlConnection(connStr);
conn.Open();
MySqlDataAdapter adapter = new MySqlDataAdapter(sql, conn);
// 创建DataSet，用于存储数据.
DataSet testDataSet = new DataSet();
// 执行查询，并将数据导入DataSet.
adapter.Fill(testDataSet, "result_data");
conn.Close();
Console.WriteLine(news.Place+"--"+news.Reason);
}
catch (Exception e)
{
conn.Close();
error = e.Message;
Console.WriteLine("insert Topic error------>{0}", error);
}
}示例8: EditSpecification
public void EditSpecification(Specification s)
{
using (connect = new MySqlConnection(_connectionString))
{
connect.Open();
using (MySqlTransaction transaction = connect.BeginTransaction())
{
try
{
string query = "EditPackageSpecification";
var cmd = new MySqlCommand(query, connect) { CommandType = CommandType.StoredProcedure };
cmd.Parameters.AddWithValue("SpecificationID", s.ID);
cmd.Parameters.AddWithValue("PWeight", s.Weight);
cmd.Parameters.AddWithValue("DeimensionHeight", s.Height);
cmd.Parameters.AddWithValue("DimensionWidth", s.Width);
cmd.Parameters.AddWithValue("DimensionLength", s.Length);
cmd.ExecuteNonQuery();
connect.Close();
}
catch (InvalidOperationException ioException)
{
connect.Close();
}
}
}
}示例9: alterUser
public void alterUser(TextBox textBoxGammelPassord, TextBox textBoxEpost, TextBox textBoxNyPassord, TextBox textBoxAdresse, TextBox textBoxTelefon, TextBox textBoxID, String bondeID)
{
String dbconnect = myconnectionstring;
MySqlConnection dbconn = new MySqlConnection(dbconnect);
if (textBoxGammelPassord.Text == gammeltpassordLocal)
{
MySqlCommand cmd = dbconn.CreateCommand();
cmd.CommandText = "UPDATE login SET epost='" + textBoxEpost.Text + "', passord= '" + textBoxNyPassord.Text + "'WHERE bondeID= '" + bondeID + "'";
dbconn.Open();
cmd.ExecuteNonQuery();
dbconn.Close();
MySqlCommand cmd2 = dbconn.CreateCommand();
cmd2.CommandText = "UPDATE Kontakt SET adresse= '" + textBoxAdresse.Text + "', telefonnr= '" + textBoxTelefon.Text + "' WHERE bondeID= '" + bondeID + "'";
dbconn.Open();
cmd2.ExecuteNonQuery();
dbconn.Close();
MessageBox.Show(textBoxTelefon.Text);
getinfobruker(textBoxGammelPassord, textBoxEpost, textBoxNyPassord, textBoxAdresse, textBoxTelefon ,textBoxID, bondeID);
}
else
{
MessageBox.Show("Feil passord");
}
}示例10: checkLogin
private bool checkLogin(string username, string pass)
{
try
{
string mcon = "datasource=mysql.cc.puv.fi;port=3306;username=e1200641;password=bXk9fEzVExXW";
string Query = "select * from e1200641_netExam.login where username=" + username + " and passwd=" + pass;
MySqlConnection MyConn = new MySqlConnection(mcon);
MySqlCommand MyCommand = new MySqlCommand(Query, MyConn);
MySqlDataReader MyReader;
MyConn.Open();
MyReader = MyCommand.ExecuteReader();
if (MyReader.Read())
{
MyConn.Close();
return true;
}
else
{
MyConn.Close();
return true;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return true;
}
}示例11: DeleteSpecification
public void DeleteSpecification(int ID)
{
using (connect = new MySqlConnection(_connectionString))
{
connect.Open();
using (MySqlTransaction transaction = connect.BeginTransaction())
{
try
{
string query = "DeletePackageSpecification";
var cmd = new MySqlCommand(query, connect) { CommandType = CommandType.StoredProcedure };
cmd.Parameters.AddWithValue("SpecificationID", ID);
cmd.ExecuteNonQuery();
connect.Close();
}
catch (InvalidOperationException ioException)
{
connect.Close();
}
}
}
}示例12: GeneralNonSelectQuery
/// <summary>
/// 一个公用interface执行所有非 select语句
/// </summary>
/// <param name="non_query_type"></param>
/// <returns>返回影响数据库几行</returns>
public int GeneralNonSelectQuery(MySqlCommand cmd)
{
int iReturn = 0;
string connStr = sql.GetSQL(sql.SQL.S_CONNECTION_STR);
MySqlConnection conn = new MySqlConnection(connStr);
try
{
conn.Open();
cmd.Connection = conn;
cmd.CommandType = CommandType.Text;
iReturn = cmd.ExecuteNonQuery();
cmd.Dispose();
conn.Close();
conn.Dispose();
}
catch (Exception ex)
{
cmd.Dispose();
conn.Close();
conn.Dispose();
}
return iReturn;
}示例13: CreatePackage
public int CreatePackage(Package p)
{
int ret = 0;
using (connect = new MySqlConnection(_connectionString))
{
connect.Open();
using (MySqlTransaction transaction = connect.BeginTransaction())
{
try
{
string query = "NewPackage";
var cmd = new MySqlCommand(query, connect) { CommandType = CommandType.StoredProcedure };
cmd.Parameters.AddWithValue("SpecificationID", p.SpecificationID);
cmd.Parameters.AddWithValue("GoodsID", p.GoodsID);
ret = int.Parse(cmd.ExecuteScalar().ToString());
transaction.Commit();
connect.Close();
}
catch (InvalidOperationException ioException)
{
transaction.Rollback();
connect.Close();
}
}
}
return ret;
}示例14: CreateAccountType
public int CreateAccountType(Account_Type a)
{
int ret = 0;
using (connect = new MySqlConnection(_connectionString))
{
connect.Open();
using (MySqlTransaction transaction = connect.BeginTransaction())
{
try
{
string query = "NewAccountType";
var cmd = new MySqlCommand(query, connect) { CommandType = CommandType.StoredProcedure };
cmd.Parameters.AddWithValue("AccountName", a.Name);
cmd.Parameters.AddWithValue("PBenifit", a.Benefit);
cmd.Parameters.AddWithValue("PCost", a.Cost);
ret = int.Parse(cmd.ExecuteScalar().ToString());
transaction.Commit();
connect.Close();
}
catch (InvalidOperationException ioException)
{
transaction.Rollback();
connect.Close();
}
}
}
return ret;
}示例15: Main
static void Main()
{
string cs = @"server=localhost;port=9306;userid=root;password=;database=testdb";
MySqlConnection conn = null;
try
{
conn = new MySqlConnection(cs);
conn.Open();
MySqlCommand cmd = new MySqlCommand("SELECT * FROM rt", conn);
MySqlDataReader r;
r = cmd.ExecuteReader();
while(r.Read())
{
Console.WriteLine(
r.GetString(0) + " | " +
r.GetString(1) + " | " +
r.GetString(2) + " | " +
r.GetString(3));
}
r.Close();
conn.Close();
} catch (MySqlException ex)
{
Console.WriteLine("Error: {0}", ex.ToString());
} finally
{
if (conn != null)
conn.Close();
}
}