Question

public CrmDateTime CRMFormattedDate(string dateValue)
{
    DateTime cd = new DateTime();
    string date_str = "";

    try
    {
        if (!isValidYear(dateValue.Substring(6, 4)))
            date_str = DateTime.Now.Year.ToString();
        else
            date_str = dateValue.Substring(6, 4);

        cd.Value = date_str + "/" + dateValue.Substring(3, 2) + "/" + dateValue.Substring(0, 2) + "T00:00:00";
    }
    catch (Exception ex)
    { 
        cd = null; 
    }

    return cd;
}

上面的代码会引发错误。我试图解决这个问题，但没有任何运气。有人可以帮我吗？

Answer 1

public CrmDateTime CRMFormattedDate(string dateValue)
{
    CrmDateTime cd = new CrmDateTime();
    string date_str = "";

    try
    {
        if (!isValidYear(dateValue.Substring(6, 4)))
            date_str = DateTime.Now.Year.ToString();
        else
            date_str = dateValue.Substring(6, 4);

        cd.Value = date_str + "/" + dateValue.Substring(3, 2) + "/" + dateValue.Substring(0, 2) + "T00:00:00";
    }
    catch (Exception ex)
    { 
        cd = null; 
    }

    return cd;
}

private bool isValidYear(string year_value)
{
    if (Convert.ToInt16(year_value) < 1800)
        return false;

    return true;
}

请试一试。

Answer 2

也许这种方法可以帮助您，所有这些都是从Microsoft.Crm.Platform.Sdk.dll文件中提取的。

public static CrmDateTime FromString(string serializedForm, string formattedDate, string formattedTime)
{
    CrmDateTime crmDateTime = new CrmDateTime();
    crmDateTime.Deserialize(serializedForm, formattedDate, formattedTime);
    return crmDateTime;
}

public override string ToString()
{
    switch (this._style)
    {
        case CrmDateTime.Style.None:
        {
            return "Uninitialized";
        }
        case CrmDateTime.Style.User:
        {
            CultureInfo invariantCulture = CultureInfo.InvariantCulture;
            object[] objArray = new object[] { this._userTime };
            return string.Format(invariantCulture, "(user:{0:s})", objArray);
        }
        case CrmDateTime.Style.Universal:
        {
            CultureInfo cultureInfo = CultureInfo.InvariantCulture;
            object[] objArray1 = new object[] { this._universalTime };
            return string.Format(cultureInfo, "(universal:{0:s})", objArray1);
        }
        case CrmDateTime.Style.Both:
        {
            CultureInfo invariantCulture1 = CultureInfo.InvariantCulture;
            object[] objArray2 = new object[] { this._userTime, this._universalTime };
            return string.Format(invariantCulture1, "(user:{0:s}, universal:{1:s})", objArray2);
        }
    }
    CultureInfo cultureInfo1 = CultureInfo.InvariantCulture;
    object[] str = new object[] { this._style.ToString() };
    throw new InvalidOperationException(string.Format(cultureInfo1, "Invalid CrmDateTime style: {0}", str));
}

private void Deserialize(string serializedForm, string formattedDate, string formattedTime)
{
    DateTime dateTime;
    string str = serializedForm.Trim();
    this._formattedDate = formattedDate;
    this._formattedTime = formattedTime;
    int length = str.Length;
    if (length == 0)
    {
        throw new CrmArgumentNullException("Empty string is not a valid representation of CrmDateTime.");
    }
    if (!DateTime.TryParse(str, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal, out dateTime))
    {
        CultureInfo invariantCulture = CultureInfo.InvariantCulture;
        object[] objArray = new object[] { str };
        throw new CrmException(string.Format(invariantCulture, "The date-time format for {0} is invalid, or value is outside the supported range.", objArray), -2147220935);
    }
    if (str[length - 1] == 'Z' || str[length - 1] == 'z')
    {
        this.Initialize(CrmDateTime.Style.Universal, dateTime);
        return;
    }
    if (length > 6 && (str[length - 6] == '+' || str[length - 6] == '-') && str[length - 3] == ':' && str.IndexOf(':', 0, length - 6) >= 0)
    {
        string str1 = str.Substring(0, length - 6);
        DateTime dateTime1 = DateTime.Parse(str1, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal);
        this.Initialize(dateTime1, dateTime);
        return;
    }
    DateTime dateTime2 = dateTime;
    if (!SerializationState.IsInPlatformContext)
    {
        this.Initialize(CrmDateTime.Style.User, dateTime2);
        return;
    }
    DateTime utcTime = SerializationState.ConvertUserTimeToUtcTime(dateTime2);
    this.Initialize(dateTime2, CrmDateTime.AdjustToLimits(utcTime));
}


public string Serialize()
{
    string str;
    CrmDateTime.Style style = this._style;
    DateTime userTime = this._userTime;
    if (SerializationState.IsInPlatformContext)
    {
        switch (style)
        {
            case CrmDateTime.Style.User:
            {
                throw new InvalidOperationException("CrmDateTime on the server must provide date-time in universal time zone. Current value passed contains time in the user time zone only.");
            }
            case CrmDateTime.Style.Universal:
            {
                userTime = SerializationState.ConvertUtcTimeToUserTime(this._universalTime);
                userTime = CrmDateTime.AdjustToLimits(userTime);
                style = CrmDateTime.Style.Both;
                break;
            }
        }
    }
    switch (style)
    {
        case CrmDateTime.Style.User:
        {
            CultureInfo invariantCulture = CultureInfo.InvariantCulture;
            object[] objArray = new object[] { userTime };
            return string.Format(invariantCulture, "{0:s}", objArray);
        }
        case CrmDateTime.Style.Universal:
        {
            CultureInfo cultureInfo = CultureInfo.InvariantCulture;
            object[] objArray1 = new object[] { this._universalTime };
            return string.Format(cultureInfo, "{0:s}Z", objArray1);
        }
        case CrmDateTime.Style.Both:
        {
            TimeSpan timeSpan = userTime - this._universalTime;
            CrmException.Assert((timeSpan.TotalDays < -1 ? false : timeSpan.TotalDays <= 1), "User and universal time should not be further than 1 day away.");
            if (timeSpan.Hours <= 0)
            {
                CultureInfo invariantCulture1 = CultureInfo.InvariantCulture;
                object[] hours = new object[] { userTime, -timeSpan.Hours, -timeSpan.Minutes };
                str = string.Format(invariantCulture1, "{0:s}-{1:00}:{2:00}", hours);
            }
            else
            {
                CultureInfo cultureInfo1 = CultureInfo.InvariantCulture;
                object[] hours1 = new object[] { userTime, timeSpan.Hours, timeSpan.Minutes };
                str = string.Format(cultureInfo1, "{0:s}+{1:00}:{2:00}", hours1);
            }
            return str;
        }
    }
    CultureInfo invariantCulture2 = CultureInfo.InvariantCulture;
    object[] str1 = new object[] { style.ToString() };
    throw new InvalidOperationException(string.Format(invariantCulture2, "Invalid CrmDateTime style: {0}", str1));
}

将字符串转换为CrmDateTime

2 个答案: