public int CompareTo(object obj)
{
if (obj is DateTime)
{
return(DateTimeValue.CompareTo((DateTime)obj));
}
CDateTimeEx dtex = (obj as CDateTimeEx);
if (dtex != null)
{
return(DateTimeValue.CompareTo(dtex.DateTimeValue));
}
return(-1);
}
public override bool Equals(object obj)
{
CDateTimeEx dte = (obj as CDateTimeEx);
if (!(obj is DateTime) && (dte == null))
{
return(false);
}
if (obj == null)
{
return(false);
}
if (dte != null)
{
return(DateTimeValue.Equals(dte.DateTimeValue));
}
else
{
return(DateTimeValue.Equals(obj));
}
}
public static string ToUniversalString(object value)
{
if (value == null || value == DBNull.Value)
{
return(c_strConstNull);
}
if (value is SByte)
{
return(value.ToString());
}
else if (value is Int16)
{
return(value.ToString());
}
else if (value is Int32)
{
return(value.ToString());
}
else if (value is Int64)
{
return(value.ToString());
}
else if (value is Byte)
{
return(value.ToString());
}
else if (value is UInt16)
{
return(value.ToString());
}
else if (value is UInt32)
{
return(value.ToString());
}
else if (value is UInt64)
{
return(value.ToString());
}
else if (value is Single)
{
return(value.ToString().Replace(',', '.'));
}
else if (value is Double)
{
return(value.ToString().Replace(',', '.'));
}
else if (value is Decimal)
{
return(value.ToString().Replace(',', '.'));
}
else if (value is Boolean)
{
return(((bool)value)?"1":"0");
}
else if (value is Char)
{
return(value.ToString());
}
else if (value is String)
{
if (value.ToString() == c_strConstNull)
{
return("@" + c_strConstNull);
}
return(value.ToString());
}
else if (value is DateTime)
{
return(CUtilDate.GetUniversalString((DateTime)value));
}
else
{
CDateTimeEx dtex = (value as CDateTimeEx);
if (dtex != null)
{
return(CUtilDate.GetUniversalString(dtex.DateTimeValue));
}
}
throw new Exception(I.T("Unknown type for ToUniversalString |30107") + value.GetType().ToString());
}