本文整理汇总了C#中MySqlCommand.Dispose方法的典型用法代码示例。如果您正苦于以下问题：C# MySqlCommand.Dispose方法的具体用法？C# MySqlCommand.Dispose怎么用？C# MySqlCommand.Dispose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MySqlCommand的用法示例。
在下文中一共展示了MySqlCommand.Dispose方法的12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: MySqlConnection
public int fjöldi_rada()
{
MySqlConnection connection;
string connectionString = "Server=10.0.105.33;Database=Leikur;Uid=first;Pwd=first;";
connection = new MySqlConnection(connectionString);
connection.Open();
string query = @"SELECT * FROM spilari";
MySqlCommand cmd = new MySqlCommand(query, connection);
cmd.ExecuteNonQuery();
MySqlDataReader queryCommandReader = cmd.ExecuteReader();
DataTable dataTable = new DataTable();
dataTable.Load(queryCommandReader);
MySqlDataAdapter adapter = new MySqlDataAdapter();
DataSet ds = new DataSet();
adapter.SelectCommand = cmd;
adapter.Fill(ds, "SQL Temp Table");
adapter.Dispose();
cmd.Dispose();
return ds.Tables[0].Rows.Count;
}示例2: ejecutarComando
private int ejecutarComando(string sql)
{
MySqlCommand myCommand = new MySqlCommand(sql,this.myConnection);
int afectadas = myCommand.ExecuteNonQuery();
myCommand.Dispose();
myCommand = null;
return afectadas;
}示例3: Buscarid
public bool Buscarid( string id )
{
this.abrirConexion();
MySqlCommand myCommand = new MySqlCommand(this.queryBuscar( id ),myConnection);
MySqlDataReader myReader = myCommand.ExecuteReader();
bool retorno = myReader.HasRows;
myReader.Close();
myReader = null;
myCommand.Dispose();
myCommand = null;
this.cerrarConexion();
return retorno;
}示例4: mostrarTodos
public void mostrarTodos()
{
this.abrirConexion();
MySqlCommand myCommand = new MySqlCommand(this.querySelect(),myConnection);
MySqlDataReader myReader = myCommand.ExecuteReader();
while (myReader.Read()){
string id = myReader["id"].ToString();
string codigo = myReader["codigo"].ToString();
string nombre = myReader["nombre"].ToString();
Console.WriteLine("ID: " + id +
" Código: " + codigo +
" Nombre: " + nombre);
}
myReader.Close();
myReader = null;
myCommand.Dispose();
myCommand = null;
this.cerrarConexion();
}示例5: select_from
public string select_from()
{
MySqlConnection connection;
string connectionString = "Server=10.0.105.33;Database=Leikur;Uid=first;Pwd=first;";
connection = new MySqlConnection(connectionString);
connection.Open();
string query = @"SELECT * FROM spilari";
MySqlCommand cmd = new MySqlCommand(query, connection);
cmd.ExecuteNonQuery();
MySqlDataReader queryCommandReader = cmd.ExecuteReader();
DataTable dataTable = new DataTable();
dataTable.Load(queryCommandReader);
MySqlDataAdapter adapter = new MySqlDataAdapter();
DataSet ds = new DataSet();
adapter.SelectCommand = cmd;
adapter.Fill(ds, "SQL Temp Table");
adapter.Dispose();
cmd.Dispose();
String rowText = string.Empty;
int topRows = ds.Tables[0].Rows.Count;
for (int i = 0; i < topRows; i++)
{
foreach (DataColumn column in dataTable.Columns)
{
rowText += dataTable.Rows[i][column.ColumnName] + "|";
}
rowText = rowText + "-";
}
connection.Close();
return rowText;
}示例6: ExecuteSqlTran
/// <summary>
/// 执行多条SQL语句，实现数据库事务。
/// </summary>
/// <param name="SQLStringList">多条SQL语句</param>
public static void ExecuteSqlTran(ArrayList SQLStringList)
{
using (MySqlConnection conn = new MySqlConnection(connectionString))
{
conn.Open();
MySqlCommand cmd = new MySqlCommand();
cmd.Connection = conn;
MySqlTransaction tx = conn.BeginTransaction();
cmd.Transaction = tx;
try
{
for (int n = 0; n < SQLStringList.Count; n++)
{
string strsql = SQLStringList[n].ToString();
if (strsql.Trim().Length > 1)
{
cmd.CommandText = strsql;
cmd.ExecuteNonQuery();
}
}
tx.Commit();
}
catch (MySqlException E)
{
tx.Rollback();
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
conn.Close();
}
}
}示例7: Query2
/// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public DataSet Query2(string SQLString, params Object[] cmdParms)
{
using (MySqlConnection connection = new MySqlConnection(connectionString))
{
MySqlCommand cmd = new MySqlCommand();
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
using (MySqlDataAdapter da = new MySqlDataAdapter(cmd))
{
DataSet ds = new DataSet();
try
{
da.Fill(ds, "ds");
cmd.Parameters.Clear();
}
catch (MySqlException ex)
{
throw new Exception(ex.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
return ds;
}
}
}示例8: ExecuteSqlByTime
/// <summary>
/// 执行SQL语句，设置命令的执行等待时间
/// </summary>
/// <param name="SQLString"></param>
/// <param name="Times"></param>
/// <returns></returns>
public static int ExecuteSqlByTime(string SQLString, int Times)
{
using (MySqlConnection connection = new MySqlConnection(connectionString))
{
using (MySqlCommand cmd = new MySqlCommand(SQLString, connection))
{
try
{
connection.Open();
cmd.CommandTimeout = Times;
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (MySqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
}示例9: GetSingle
/// <summary>
/// 执行一条计算查询结果语句，返回查询结果（object）。
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果（object）</returns>
public static object GetSingle(string SQLString, params Object[] cmdParms)
{
using (MySqlConnection connection = new MySqlConnection(connectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
object obj = cmd.ExecuteScalar();
cmd.Parameters.Clear();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (MySqlException e)
{
throw new Exception(e.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
}示例10: ExecuteSql
/// <summary>
/// 执行SQL语句，返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, params Object[] cmdParms)
{
using (MySqlConnection connection = new MySqlConnection(connectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
int rows = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
return rows;
}
catch (MySqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
}示例11: ExecuteSqlInsertImg
/// <summary>
/// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例)
/// </summary>
/// <param name="strSQL">SQL语句</param>
/// <param name="fs">图像字节,数据库的字段类型为image的情况</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSqlInsertImg(string strSQL, byte[] fs)
{
using (MySqlConnection connection = new MySqlConnection(connectionString))
{
MySqlCommand cmd = new MySqlCommand(strSQL, connection);
MySqlParameter myParameter = new MySqlParameter("?fs", MySqlDbType.Blob);
myParameter.Value = fs;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (MySqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}示例12: ExecuteSqlGet
/// <summary>
/// 执行带一个存储过程参数的的SQL语句。
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
/// <returns>影响的记录数</returns>
public static object ExecuteSqlGet(string SQLString, string content)
{
using (MySqlConnection connection = new MySqlConnection(connectionString))
{
MySqlCommand cmd = new MySqlCommand(SQLString, connection);
MySqlParameter myParameter = new MySqlParameter("?content", MySqlDbType.VarChar);
myParameter.Value = content;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (MySqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}