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How can I get the Field Type of a Field from Cache?

  • 11 March 2024
  • 4 replies
  • 64 views
aaghaei
Rank
Userlevel 7
Badge +8

Hello all,

I am wondering how can I get the Data Type (string, decimal, int ...) of a field. I have a method like below and I need to know what is the Data Type of the “Field”

 

public static void MyMethod<Field>(PXCache cache) where Field : IBqlField
{
    string fieldName = cache?.GetField(typeof(Field)); // This gets me the name correctly

    // I tried all below and they are returning null
    var aa = cache?.GetType()?.GetField(fieldName)?.FieldType;
    var bb = cache?.GetType()?.GetProperty(fieldName)?.PropertyType?.GetField(fieldName)?.FieldType;
    var cc = cache?.GetItemType()?.GetField(fieldName)?.FieldType;
    var dd = cache?.GetItemType()?.GetProperty(fieldName)?.PropertyType?.GetField(fieldName)?.FieldType;

    // Rest of my code
}

 

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Best answer by Zoltan Febert 13 March 2024, 15:01

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Reza Aghaei CPA, M. Acc. & Acumatica Customization - If a member helped you, please *Like* their post. If a member provided an answer to your question, please mark it as *Best Answer*.

4 replies

Zoltan Febert
Rank
Userlevel 6
Badge +3

You can try this:

var typeCode = System.Type.GetTypeCode(cache.GetItemType().GetProperty(fieldName)?.PropertyType);

Type fieldType;
switch (typeCode)
{
    case TypeCode.Boolean:
        fieldType = typeof(bool);
        break;
    case TypeCode.Int32:
        fieldType = typeof(int?);
        break;
    case TypeCode.String:
        fieldType = typeof(string);
        break;
    case TypeCode.Empty:
    case TypeCode.Object:
    case TypeCode.DBNull:
    case TypeCode.Char:
    case TypeCode.SByte:
    case TypeCode.Byte:
    case TypeCode.Int16:
    case TypeCode.UInt16:
    case TypeCode.UInt32:
    case TypeCode.Int64:
    case TypeCode.UInt64:
    case TypeCode.Single:
    case TypeCode.Double:
    case TypeCode.Decimal:
    case TypeCode.DateTime:
    default:
        throw new ArgumentOutOfRangeException();
}

I have added all possible labels to the switch, you need to make them similar as the first three examples are.

Zoltan Febert (Acumatica Developer, MVP)
aaghaei
Rank
Userlevel 7
Badge +8

Hi @Zoltan Febert 

Thank you for the response. Regardless of the data type of the “Field”, the GetTypeCode method always returns “Object” like this 

fieldType = BaseType = {Name = "Object" FullName = "System.Object"}

Reza Aghaei CPA, M. Acc. & Acumatica Customization - If a member helped you, please *Like* their post. If a member provided an answer to your question, please mark it as *Best Answer*.
Zoltan Febert
Rank
Userlevel 6
Badge +3

Hi @aaghaei,

Please try this code:

public static void MyMethod<Field>(PXCache cache) where Field : IBqlField
{
    var fieldName = cache.GetField(typeof(Field)); // This gets me the name correctly

    var propertyType = cache.GetItemType().GetProperty(fieldName)?.PropertyType;

    if (propertyType == null) return;

    var fieldType = propertyType.IsAssignableFrom(typeof(string)) ? typeof(string)
        : propertyType.IsAssignableFrom(typeof(int?)) ? typeof(int?)
        : propertyType.IsAssignableFrom(typeof(decimal?)) ? typeof(decimal?)
        : propertyType.IsAssignableFrom(typeof(bool?)) ? typeof(bool?)
        : typeof(object);
}

It worked for me for string, int? and decimal? types, I didn’t try for bool?, but it should work as well.

Zoltan Febert (Acumatica Developer, MVP)
aaghaei
Rank
Userlevel 7
Badge +8

@Zoltan Febert  Thank you very much. It works perfectly. Really appreciated.

Reza Aghaei CPA, M. Acc. & Acumatica Customization - If a member helped you, please *Like* their post. If a member provided an answer to your question, please mark it as *Best Answer*.

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