private static SqlDataAdapter GetAdapter(string sql, SqlParameter[] parameters)
{
DALSql dal = GetThreadDal();
dal.CheckConnection();
SqlCommand sc = new SqlCommand(sql, dal.Connection);
sc.CommandType = CommandType.Text;
sc.CommandTimeout = 0;
if (parameters != null)
{
sc.Parameters.AddRange(parameters);
}
foreach (SqlParameter parameter in sc.Parameters)
{
if (parameter.Value == null)
{
parameter.Value = DBNull.Value;
}
if (parameter.SqlDbType == SqlDbType.DateTime && parameter.Value.Equals(new DateTime(1, 1, 1)))
{
parameter.Value = DBNull.Value;
}
}
return(new SqlDataAdapter(sc));
}
public static void CloseConnection()
{
DALSql dal = GetThreadDal();
if (dal.Connection != null)
{
dal.Connection.Close();
dal.Connection = null;
}
}
/// <summary>
/// Получает DAL для текущего потока
/// </summary>
private static DALSql GetThreadDal()
{
int threadId = Thread.CurrentThread.ManagedThreadId;
DALSql dal;
Pool.TryGetValue(threadId, out dal);
if (dal == null)
{
dal = new DALSql();
Pool.Add(threadId, dal);
}
return(dal);
}
public static void BulkCopy(string tableName, DataTable insertData)
{
DALSql dal = GetThreadDal();
dal.CheckConnection();
SqlBulkCopy bulkCopy = new SqlBulkCopy(dal.Connection);
bulkCopy.DestinationTableName = tableName;
foreach (DataColumn dc in insertData.Columns)
{
bulkCopy.ColumnMappings.Add(dc.ColumnName, dc.ColumnName);
}
bulkCopy.WriteToServer(insertData);
}
public static void SetConnectionString(string connectionString)
{
DALSql dal = GetThreadDal();
if (dal.ConnectionString != connectionString)
{
if (dal.Connection != null)
{
dal.Connection.Close();
dal.Connection = null;
}
dal.ConnectionString = connectionString;
}
}
public static void AddEventText(Action <string> act)
{
DALSql dal = GetThreadDal();
dal.CheckConnection();
if (dal.EventText != null)
{
dal.Connection.InfoMessage -= dal.EventText;
}
dal.EventText = new SqlInfoMessageEventHandler(
(sender, e) =>
{
act(e.Message);
});
dal.Connection.InfoMessage += dal.EventText;
}
