private DbCommand CreateCommand(CommandType commandType = CommandType.Text)
{
DbCommand dbcommand = DBFactory.CreateCommand();
dbcommand.CommandType = commandType;
return(dbcommand);
}
private DbCommand CreateCommand(string strSql, CommandType commandType = CommandType.Text)
{
DbCommand dbcommand = DBFactory.CreateCommand();
dbcommand.CommandText = strSql;
dbcommand.CommandType = commandType;
return(dbcommand);
}
/// <summary>
/// 执行无结果集的数据的操作命令
/// </summary>
/// <param name="ConnString">数据库连接字符串</param>
/// <param name="Trans">Sql事务对象</param>
/// <param name="CmdType">执行命令的类型</param>
/// <param name="CmdText">存储过程或T-SQL语句等</param>
/// <param name="CommandParameters">执行命令所需的参数数组</param>
/// <returns>执行数据库操作所影响的行数</returns>
public static int ExecuteNonQuery(string ConnString, IDbTransaction Trans, CommandType CmdType, string CmdText, params IDbDataParameter[] CommandParameters)
{
IDbCommand cmd = DBFactory.CreateCommand();
using (IDbConnection conn = String.IsNullOrEmpty(ConnString) ? DBFactory.CreateConnection() : DBFactory.CreateConnection(ConnString, Config.DataBase.DbType.SQLSERVER)) {
PrepareCommand(cmd, conn, Trans, CmdType, CmdText, CommandParameters);
int val = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
return(val);
}
}
private DbCommand CreateCmd(string commandText = null, DbConnection DbConn = null)
{
DbCommand _DBCmd = DBFactory.CreateCommand();
if (DbConn != null)
{
_DBCmd.Connection = DbConn;
}
if (!string.IsNullOrWhiteSpace(commandText))
{
_DBCmd.CommandText = commandText;
}
return(_DBCmd);
}
/// <summary>
/// 执行有结果集的数据的操作指令
/// </summary>
/// <param name="ConnString">数据库连接字符串</param>
/// <param name="Trans">Sql事务对象</param>
/// <param name="CmdType">执行命令的类型</param>
/// <param name="CmdText">存储过程或T-SQL语句等</param>
/// <param name="CommandParameters">执行命令所需的参数数组</param>
/// <returns>结果集</returns>
public static IDataReader ExecuteReader(string ConnString, IDbTransaction Trans, CommandType CmdType, string CmdText, params IDbDataParameter[] CommandParameters)
{
IDbCommand cmd = DBFactory.CreateCommand();
IDbConnection conn = String.IsNullOrEmpty(ConnString) ? DBFactory.CreateConnection() : DBFactory.CreateConnection(ConnString, Config.DataBase.DbType.SQLSERVER);
try {
PrepareCommand(cmd, conn, Trans, CmdType, CmdText, CommandParameters);
cmd.CommandTimeout = 500;
IDataReader rdr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
cmd.Parameters.Clear();
return(rdr);
} catch (Exception ex) {
conn.Close();
throw new Exception(ex.ToString());
}
}
/// <summary>
/// 查询数据填充到数据集DataSet中
/// </summary>
/// <param name="ConnString">数据库连接字符串</param>
/// <param name="Trans">Sql事务对象</param>
/// <param name="CmdType">执行命令的类型</param>
/// <param name="CmdText">存储过程或T-SQL语句等</param>
/// <param name="CommandParameters">执行命令所需的参数数组</param>
/// <returns>DataSet数据集</returns>
public static DataSet ExecuteDataSet(string ConnString, IDbTransaction Trans, CommandType CmdType, string CmdText, params IDbDataParameter[] CommandParameters)
{
DataSet ds = new DataSet();
IDbCommand cmd = DBFactory.CreateCommand();
IDbConnection conn = String.IsNullOrEmpty(ConnString) ? DBFactory.CreateConnection() : DBFactory.CreateConnection(ConnString, Config.DataBase.DbType.SQLSERVER);
try {
PrepareCommand(cmd, conn, Trans, CmdType, CmdText, CommandParameters);
IDataAdapter sda = DBFactory.CreateDataAdapter(cmd);
sda.Fill(ds);
return(ds);
}
catch (Exception ex) {
throw new Exception(ex.ToString());
}
finally {
conn.Close();
cmd.Dispose();
}
}
private DbCommand CreateCmd()
{
DbCommand _DBCmd = DBFactory.CreateCommand();
return(_DBCmd);
}
