C# MySqlClient.MySqlConnection类代码示例

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本文整理汇总了C#中MySql.Data.MySqlClient.MySqlConnection类的典型用法代码示例。如果您正苦于以下问题：C# MySql.Data.MySqlClient.MySqlConnection类的具体用法？C# MySql.Data.MySqlClient.MySqlConnection怎么用？C# MySql.Data.MySqlClient.MySqlConnection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。

MySql.Data.MySqlClient.MySqlConnection类属于命名空间，在下文中一共展示了MySql.Data.MySqlClient.MySqlConnection类的20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，您的评价将有助于我们的系统推荐出更棒的C#代码示例。

示例1: GetForecastFromDatabase

        public CityForeCast[] GetForecastFromDatabase()
        {
            //SqlConnection connection = new SqlConnection(@"Data Source=(LocalDb)\MSSQLLocalDb;Initial Catalog=weatherForecast;Integrated Security=True;Pooling=False");
            MySql.Data.MySqlClient.MySqlConnection connection = new MySql.Data.MySqlClient.MySqlConnection(@"Server=eu-cdbr-azure-west-c.cloudapp.net;Database=BDMeteo;Uid=b95badd8e1dbad;Pwd=bde4c7b6;Pooling=True");
            connection.Open();
            MySql.Data.MySqlClient.MySqlCommand cmd = new MySql.Data.MySqlClient.MySqlCommand("SELECT * FROM tablemeteo", connection);
            MySql.Data.MySqlClient.MySqlDataReader reader = cmd.ExecuteReader();
            List<CityForeCast> forecasts = new List<CityForeCast>();
            while (reader.Read())
            {
                CityForeCast forecast = new CityForeCast();
                forecast.City = (string)reader["City"];
                forecast.description = (string)reader["Description"];
                forecast.MaxTemp = (decimal)reader["Temperature"];
                forecasts.Add(forecast);

            }
            reader.Close(); // Fermer le reader avant de fermer la connection
            connection.Close();
            return forecasts.ToArray();
            //var ctx = new weatherForecastEntities();
            //var forecast = ctx.Tables.Select(f => new CityForeCast()
            //{
            //    City = f.City,
            //    description = f.Description,
            //    MaxTemp = (decimal)f.Temperature
            //});
            //return forecast;
        }

开发者ID:Racuine，项目名称:MeteoApplication，代码行数:29，代码来源:dataAccess.cs

示例2: SqlScalar

            /// <summary>
            /// Для выполнения запросов к MySQL с возвращением 1 параметра.
            /// </summary>
            /// <param name="sql">Текст запроса к базе данных</param>
            /// <param name="connection">Строка подключения к базе данных</param>
            /// <returns>Возвращает значение при успешном выполнении запроса, текст ошибки - при ошибке.</returns>
            public static MyResult SqlScalar(string sql, string connection)
            {
                MyResult result = new MyResult();
                try
                {
                    MySql.Data.MySqlClient.MySqlConnection connRC = new MySql.Data.MySqlClient.MySqlConnection(connection);
                    MySql.Data.MySqlClient.MySqlCommand commRC = new MySql.Data.MySqlClient.MySqlCommand(sql, connRC);
                    connRC.Open();
                    try
                    {
                        result.ResultText = commRC.ExecuteScalar().ToString();
                        result.HasError = false;
                    }
                    catch (Exception ex)
                    {
                        result.ErrorText = ex.Message;
                        result.HasError = true;

                    }
                    connRC.Close();
                }
                catch (Exception ex)//Этот эксепшн на случай отсутствия соединения с сервером.
                {
                    result.ErrorText = ex.Message;
                    result.HasError = true;
                }
                return result;
            }

开发者ID:nebosvod，项目名称:notify，代码行数:34，代码来源:Main.cs

示例3: FetchePassword

        public static string FetchePassword()
        {
            string passwordStr = string.Empty;

            MySql.Data.MySqlClient.MySqlConnection msqlConnection = null;

            msqlConnection = new MySql.Data.MySqlClient.MySqlConnection("server=localhost;user id=root;Password=technicise;database=sptdb;persist security info=False");
            try
            {   //define the command reference
                MySql.Data.MySqlClient.MySqlCommand msqlCommand = new MySql.Data.MySqlClient.MySqlCommand();
                msqlCommand.Connection = msqlConnection;

                msqlConnection.Open();

                msqlCommand.CommandText = "Select password from sptinfo;";
                MySql.Data.MySqlClient.MySqlDataReader msqlReader = msqlCommand.ExecuteReader();

                msqlReader.Read();

                passwordStr = msqlReader.GetString("password");

            }
            catch (Exception er)
            {
                //Assert//.Show(er.Message);
            }
            finally
            {
                //always close the connection
                msqlConnection.Close();
            }

            return passwordStr;
        }

开发者ID:shuiping150，项目名称:SalesPurchaseTracker，代码行数:34，代码来源:FetchSPTSettings.cs

示例4: button1_Click

 private void button1_Click(object sender, EventArgs e)
 {
     MySql.Data.MySqlClient.MySqlConnection con = new MySql.Data.MySqlClient.MySqlConnection(string.Format("Server={1};Port={2};Uid={3};Pwd={4};Database={0};", "sagaeco", "127.0.0.001", "3306", "root", "lh630206"));
     string sqlstr = string.Format("INSERT INTO `login`(`username`,`password`,`deletepass`) VALUES ('{0}','{1}','{2}')", this.textBox1.Text, GetMD5(this.textBox2.Text), GetMD5(this.textBox3.Text));
     con.Open();
     MySql.Data.MySqlClient.MySqlHelper.ExecuteNonQuery(con, sqlstr, null);
 }

开发者ID:yasuhiro91，项目名称:SagaECO，代码行数:7，代码来源:Form1.cs

示例5: DeleteStock

        private void DeleteStock(string stockToDelete)
        {
            msqlConnection = new MySql.Data.MySqlClient.MySqlConnection("server=localhost;user id=root;Password=technicise;database=sptdb;persist security info=False");
            try
            {   //define the command reference
                MySql.Data.MySqlClient.MySqlCommand msqlCommand = new MySql.Data.MySqlClient.MySqlCommand();
                msqlCommand.Connection = msqlConnection;

                msqlConnection.Open();

                msqlCommand.CommandText = "DELETE FROM stock WHERE id= @vendorIdToDelete";
                msqlCommand.Parameters.AddWithValue("@vendorIdToDelete", stockToDelete);

                MySql.Data.MySqlClient.MySqlDataReader msqlReader = msqlCommand.ExecuteReader();

            }
            catch (Exception er)
            {
                MessageBox.Show(er.Message);
            }
            finally
            {
                //always close the connection
                msqlConnection.Close();
            }
        }

开发者ID:shuiping150，项目名称:SalesPurchaseTracker，代码行数:26，代码来源:StockManagerWindow.xaml.cs

示例6: EditSptInfo

        private void EditSptInfo(SettingsData returnEditedsettingsData)
        {
            MySql.Data.MySqlClient.MySqlConnection msqlConnection = null;

            msqlConnection = new MySql.Data.MySqlClient.MySqlConnection("server=localhost;user id=root;Password=technicise;database=sptdb;persist security info=False");
            try
            {   //define the command reference
                MySql.Data.MySqlClient.MySqlCommand msqlCommand = new MySql.Data.MySqlClient.MySqlCommand();
                msqlCommand.Connection = msqlConnection;

                msqlConnection.Open();
                int idSptinfo = 1;
                msqlCommand.CommandText = "UPDATE sptinfo SET name='" + returnEditedsettingsData.Name + "', address='" + returnEditedsettingsData.Address + "', phone='" +
                    returnEditedsettingsData.Phone + "', bill_disclaimer='" + returnEditedsettingsData.BillDisclaimer + "', invoice_prefix='" + returnEditedsettingsData.InvoicePrefix +
                    "' WHERE id_sptinfo='" + idSptinfo + "'; ";

                msqlCommand.ExecuteNonQuery();

            }
            catch (Exception er)
            {
                MessageBox.Show(er.Message);
            }
            finally
            {
                //always close the connection
                msqlConnection.Close();
            }
        }

开发者ID:shuiping150，项目名称:SalesPurchaseTracker，代码行数:29，代码来源:SPTSettingsWindow.xaml.cs

示例7: EditSptPassword

        public static void EditSptPassword(string passwordStr)
        {
            MySql.Data.MySqlClient.MySqlConnection msqlConnection = null;

            msqlConnection = new MySql.Data.MySqlClient.MySqlConnection("server=localhost;user id=root;Password=technicise;database=sptdb;persist security info=False");
            try
            {   //define the command reference
                MySql.Data.MySqlClient.MySqlCommand msqlCommand = new MySql.Data.MySqlClient.MySqlCommand();
                msqlCommand.Connection = msqlConnection;

                msqlConnection.Open();
                int idSptinfo = 1;

                msqlCommand.CommandText = "UPDATE sptinfo SET password='" + passwordStr + "' WHERE id_sptinfo='" + idSptinfo + "'; ";
                msqlCommand.ExecuteNonQuery();
            }
            catch (Exception er)
            {
                //MessageBox.Show(er.Message);
            }
            finally
            {
                //always close the connection
                msqlConnection.Close();
            }
        }

开发者ID:shuiping150，项目名称:SalesPurchaseTracker，代码行数:26，代码来源:FetchSPTSettings.cs

示例8: Form1_Load

        private void Form1_Load(object sender, EventArgs e)
        {
            var cn = new MySql.Data.MySqlClient.MySqlConnection();

            cn.ConnectionString = "Server=mysql2.altaortopedia.com.br;Database=altaortopedia;Uid=altaortopedia;[email protected]";
            cn.Open();
            cn.Close();
        }

开发者ID:jnbv，项目名称:alta-erp，代码行数:8，代码来源:Form1.cs

示例9: button1_Click_1

        private void button1_Click_1(object sender, EventArgs e)
        {
            MySql.Data.MySqlClient.MySqlConnection myconn = null;

            myconn = new MySql.Data.MySqlClient.MySqlConnection("Database=qsgj;Data Source=127.0.0.1;User Id=root;Password=;pooling=false;CharSet=utf8;port=3306");

            myconn.Open();
            myconn.Close();
        }

开发者ID:qq54605802，项目名称:qsgjxt_client，代码行数:9，代码来源:Shezhi.cs

示例10: Execute

 public static int Execute(string sql)
 {
     using (var conn = new MySql.Data.MySqlClient.MySqlConnection(ConnectString()))
     {
         conn.Open();
         var cmd = new MySql.Data.MySqlClient.MySqlCommand(sql, conn);
         int i = cmd.ExecuteNonQuery();
         conn.Close();
         return i;
     }
 }

开发者ID:gofixiao，项目名称:HYPDM_Pro，代码行数:11，代码来源:MySqlUtil.cs

示例11: Processor

        /// <summary>
        /// Add all associated models to the models data structure prior to calling process
        /// </summary>
        public Processor()
        {
            models = new List<Model>();

            // Connect to our SQL Server Instance Running Locally
            this.sqlserver_conn = new System.Data.SqlClient.SqlConnection();
            this.sqlserver_conn.ConnectionString = sqlserver_conn_string;

            // Connect to our MySQL Server Instance Running Locally
            this.mysql_conn = new MySql.Data.MySqlClient.MySqlConnection();
            this.mysql_conn.ConnectionString = mysql_conn_string;
        }

开发者ID:NightsongEntertainment，项目名称:Data-Migrator，代码行数:15，代码来源:Processor.cs

示例12: Query

 public static DataTable Query(string sql)
 {
     using (var conn = new MySql.Data.MySqlClient.MySqlConnection(ConnectString()))
     {
         conn.Open();
         var adapter = new MySql.Data.MySqlClient.MySqlDataAdapter(sql, conn);
         var ds = new DataSet();
         var reader = adapter.Fill(ds);
         conn.Close();
         return ds.Tables[0];
     }
 }

开发者ID:gofixiao，项目名称:HYPDM_Pro，代码行数:12，代码来源:MySqlUtil.cs

示例13: OpenDbConnection

        private static MySql.Data.MySqlClient.MySqlConnection OpenDbConnection()
        {
            MySql.Data.MySqlClient.MySqlConnection msqlConnection = null;

            msqlConnection = new MySql.Data.MySqlClient.MySqlConnection("server=localhost;user id=root;Password=" + passwordCurrent + ";database=" + dbmsCurrent + ";persist security info=False");

            //open the connection
            if (msqlConnection.State != System.Data.ConnectionState.Open)
                msqlConnection.Open();

            return msqlConnection;
        }

开发者ID:sayan801，项目名称:PhotoManipulator，代码行数:12，代码来源:MainWindow.xaml.cs

示例14: TruncateMinuteWiseMeasures

        internal void TruncateMinuteWiseMeasures()
        {
            using (var mySqlConn = new MySql.Data.MySqlClient.MySqlConnection(_connectionString))
            {
                mySqlConn.Open();
                var sqlCom = mySqlConn.CreateCommand();
                sqlCom.CommandText = @"TRUNCATE TABLE minute_wise;";
                sqlCom.ExecuteNonQuery();

                mySqlConn.Close();
            }
        }

开发者ID:Epstone，项目名称:mypvlog，代码行数:12，代码来源:TestDbSetup.cs

示例15: pasar_consulta_datatable

        /*Devolvemos un datatable con el resultado de la consulta que esta como paramatro en la bd cuyo string de conexion esta el parametro conexion del fichero de confi
        guracon*/
        public System.Data.DataTable pasar_consulta_datatable(string consulta)
        {
            MySql.Data.MySqlClient.MySqlConnection mscon = new MySql.Data.MySqlClient.MySqlConnection(Properties.Settings.Default.conexion);

            MySql.Data.MySqlClient.MySqlDataAdapter mda = new MySql.Data.MySqlClient.MySqlDataAdapter(consulta, mscon);

            mda.SelectCommand.CommandTimeout = 0;
            System.Data.DataTable dt = new System.Data.DataTable();
            mda.Fill(dt);

            mscon.Close();
            return dt;
        }

开发者ID:raulgl，项目名称:ADO_utiles，代码行数:15，代码来源:DAO.cs

示例16: RunTableList

 public void RunTableList()
 {
     using (var connection = new MySql.Data.MySqlClient.MySqlConnection(MySql))
     {
         var dr = new DatabaseSchemaReader.DatabaseReader(connection);
         dr.Owner = "sakila";
         var schema = dr.ReadAll();
         var tableList = dr.TableList();
         var tables = dr.AllTables();
         var views = dr.AllViews();
         Assert.NotEmpty(tableList);
     }
 }

开发者ID:shiningrise，项目名称:dbschemareader，代码行数:13，代码来源:TestMySql.cs

示例17: Mysql_File_Save

        public int Mysql_File_Save(int PropertyObject, int FileSize, string FileName, string Content_Type,
            int Height, int Width, byte[] Image, byte[] ImagePreview, bool IsDeleted)
        {
            int result = -1;
            using (MySql.Data.MySqlClient.MySqlConnection oConn =
                new MySql.Data.MySqlClient.MySqlConnection(this.connStr))
            {
                oConn.Open();

                MySql.Data.MySqlClient.MySqlCommand cmd = oConn.CreateCommand();
                cmd.Connection = oConn;


                //Add new 
                //oCommand.CommandText = "insert into cust_file(customer_id, filename, filedata, contenttype, length) " +
                //    "values( ?in_customer_id, ?in_filename, ?in_filedata, ?in_contenttype, ?in_length)";

                //INSERT INTO myrealty.images (id, img) VALUES (<INT(11)>, <LONGBLOB>);
                cmd.CommandText = @"SET GLOBAL max_allowed_packet=16*1024*1024; 
INSERT INTO ObjectImages (PropertyObject_Id, FileSize, FileName, Content_Type, Height, Width,
Image, ImagePreview, IsDeleted) VALUES (?PropertyObject, ?FileSize, ?FileName, ?Content_Type, ?Height, ?Width,
?Image, ?ImagePreview, ?IsDeleted); select last_insert_id();";


                //oCommand.CommandType = CommandType.StoredProcedure;

                cmd.Parameters.Add("?PropertyObject", PropertyObject);

                cmd.Parameters.Add("?FileSize", FileSize);

                cmd.Parameters.Add("?FileName", FileName);

                cmd.Parameters.Add("?Content_Type", Content_Type);

                cmd.Parameters.Add("?Height", Height);

                cmd.Parameters.Add("?Width", Width);

                cmd.Parameters.Add("?Image", MySql.Data.MySqlClient.MySqlDbType.LongBlob);
                cmd.Parameters["?Image"].Value = Image;

                cmd.Parameters.Add("?ImagePreview", MySql.Data.MySqlClient.MySqlDbType.LongBlob);
                cmd.Parameters["?ImagePreview"].Value = ImagePreview;

                cmd.Parameters.Add("?IsDeleted", IsDeleted);

                result = Convert.ToInt32(cmd.ExecuteScalar());
                oConn.Close();
            }
            return result;
        }

开发者ID:MaxIakovliev，项目名称:asp.net-mvc-real-estate，代码行数:51，代码来源:SqlObjectManipulation.cs

示例18: ConnectFetchFromSaleslistTable

        private void ConnectFetchFromSaleslistTable()
        {
            //define the connection reference and initialize it
            msqlConnection = new MySql.Data.MySqlClient.MySqlConnection("server=localhost;user id=root;Password=technicise;database=sptdb;persist security info=False");

            try
            {
                //define the command reference
                MySql.Data.MySqlClient.MySqlCommand msqlCommand = new MySql.Data.MySqlClient.MySqlCommand();

                //define the connection used by the command object
                msqlCommand.Connection = msqlConnection;

                //open the connection
                if (msqlConnection.State != System.Data.ConnectionState.Open)
                    msqlConnection.Open();

                TimeSpan diff = (TimeSpan)(endDatePicker.SelectedDate - startDatePicker.SelectedDate);
                msqlCommand.CommandText = "SELECT * FROM saleslist where date(saleslist.dateSales) >= DATE_SUB( @enddate, INTERVAL @diff DAY);";
                msqlCommand.Parameters.AddWithValue("@enddate", endDatePicker.SelectedDate);
                msqlCommand.Parameters.AddWithValue("@diff", diff.Days);

                MySql.Data.MySqlClient.MySqlDataReader msqlReader = msqlCommand.ExecuteReader();

                _salesDataCollection.Clear();

                while (msqlReader.Read())
                {
                    SalesData salesData = new SalesData();
                    salesData.customerId = msqlReader.GetString("customerId");
                    salesData.customerName = msqlReader.GetString("customerName"); //add
                    salesData.dateSales = msqlReader.GetDateTime("dateSales");
                    salesData.invoiceNo = msqlReader.GetString("invoiceNo");
                    salesData.payment = msqlReader.GetDouble("payment");
                    salesData.totalAmount = msqlReader.GetDouble("totalAmount");
                    //salesData.serialNo = (_salesDataCollection.Count + 1).ToString();

                    _salesDataCollection.Add(salesData);
                }

            }
            catch (Exception er)
            {
                MessageBox.Show(er.Message);
            }
            finally
            {
                //always close the connection
                msqlConnection.Close();
            }
        }

开发者ID:shuiping150，项目名称:SalesPurchaseTracker，代码行数:51，代码来源:SalesReportWindow.xaml.cs

示例19: ConnectFetchFromSaleslistTable

        private void ConnectFetchFromSaleslistTable(string invoiceNumber)
        {
            //define the connection reference and initialize it
            msqlConnection = new MySql.Data.MySqlClient.MySqlConnection("server=localhost;user id=root;Password=technicise;database=sptdb;persist security info=False");

            try
            {
                //define the command reference
                MySql.Data.MySqlClient.MySqlCommand msqlCommand = new MySql.Data.MySqlClient.MySqlCommand();

                //define the connection used by the command object
                msqlCommand.Connection = msqlConnection;

                //open the connection
                if (msqlConnection.State != System.Data.ConnectionState.Open)
                    msqlConnection.Open();

                msqlCommand.CommandText = "SELECT * FROM salesBilling WHERE invoiceNo = @invoiceNo;";
                msqlCommand.Parameters.AddWithValue("@invoiceNo", invoiceNumber);
                MySql.Data.MySqlClient.MySqlDataReader msqlReader = msqlCommand.ExecuteReader();

                double totalVat = 0.0;

                while (msqlReader.Read())
                {
                    BillingData billedData = new BillingData();
                    billedData.amount = msqlReader.GetDouble("amount");
                    billedData.productName = msqlReader.GetString("description");
                    billedData.quantity = msqlReader.GetDouble("quantity");
                    billedData.vat = msqlReader.GetDouble("vat");
                    billedData.calVat = Convert.ToDouble(billedData.amount) * Convert.ToDouble(billedData.vat) * (.01); ;
                    totalVat += billedData.calVat;
                    billedData.rate = msqlReader.GetDouble("rate");
                    billedData.serialNo = billingItemListView.Items.Count + 1; //msqlReader.GetString("serialNo");

                    _billingCollection.Add(billedData);
                    vatAmount.Content = totalVat;
                }

            }
            catch (Exception er)
            {
                MessageBox.Show(er.Message);
            }
            finally
            {
                //always close the connection
                msqlConnection.Close();
            }
        }

开发者ID:shuiping150，项目名称:SalesPurchaseTracker，代码行数:50，代码来源:BillDetailsWindow.xaml.cs

示例20: Connect

 public void Connect()
 {
     m_connString = System.Configuration.ConfigurationManager.ConnectionStrings["db-utos"].ConnectionString;
     Disconnect();
     try
     {
         m_connection = new MySql.Data.MySqlClient.MySqlConnection();
         m_connection.ConnectionString = m_connString;
         m_connection.Open();
     }
     catch (MySql.Data.MySqlClient.MySqlException ex)
     {
         MessageBox.Show(ex.Message);
     }
 }

开发者ID:Oleksandr93，项目名称:MyWorks，代码行数:15，代码来源:UtosForm.cs

注：本文中的MySql.Data.MySqlClient.MySqlConnection类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C# MySqlCommand类代码示例发布时间：2022-05-24

C# MySqlClient.MySqlCommand类代码示例发布时间：2022-05-24

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C# MySqlClient.MySqlConnection类代码示例

示例1: GetForecastFromDatabase

示例2: SqlScalar

示例3: FetchePassword

示例4: button1_Click

示例5: DeleteStock

示例6: EditSptInfo

示例7: EditSptPassword

示例8: Form1_Load

示例9: button1_Click_1

示例10: Execute

示例11: Processor

示例12: Query

示例13: OpenDbConnection

示例14: TruncateMinuteWiseMeasures

示例15: pasar_consulta_datatable

示例16: RunTableList

示例17: Mysql_File_Save

示例18: ConnectFetchFromSaleslistTable

示例19: ConnectFetchFromSaleslistTable

示例20: Connect

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