private static string GetParameterValueFromExpression(ReportParameterViewItem r, DateTime sourceDateTime)
{
if (!string.IsNullOrEmpty(r.Value) &&
r.Type == ReportParameterTypeEnum.DateTime)
{
DateTime?dt = DateTimeExpression.Evaluate(r.Value, sourceDateTime);
return(dt.HasValue ? dt.Value.ToString("yyyy-MM-dd") : null);
}
return(r.Value);
}
internal static string _GetActualParameterValue(ReportParameter p, ParameterValue v)
{
if (v.Value == null)
{
return(null);
}
else if (p.Type == ParameterTypeEnum.DateTime)
{
//extract the date part of the value
DateTime?date;
try
{
date = DateTimeExpression.Evaluate(v.Value, DateTime.Now);
}
catch
{
//this exception will be thrown later for invalid expressions
return(null);
}
return(date.HasValue ? date.Value.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture) : null);
}
else if (p.Type == ParameterTypeEnum.String && p.Name.EndsWith("Time", StringComparison.InvariantCultureIgnoreCase))
{
if (string.IsNullOrEmpty(v.Value))
{
return(v.Value);
}
DateTime dt;
if (DateTime.TryParseExact(v.Value, Report.TimeFormats, null, DateTimeStyles.None, out dt))
{
return(dt.ToString("HH:mm"));
}
else
{
return(null);
}
}
else
{
return(v.Value);
}
}
