.Rows[0]["ParameterMarkerFormat"].ToString());
//conn.Close();在真正执行语句的时候去关闭，避免重复打开
}
return ParametersFormat[command.GetType()];
}
private void Open()
{
if (conn.State == ConnectionState.Closed)
{
conn.Open();
}
}
private void Close()
{
if (conn.State == ConnectionState.Open)
{
conn.Close();
}
}
/// <summary>
/// 替换DML语句里的参数前缀
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public string Replace(string str)
{
return str.Replace("$", retParaformat.Substring(0, 1));
}
}
}
文件下载：PeaceHelper.cs
