private string GetFieldValue(SPField field, SPListItemVersion version)
{
string fieldValue = string.Empty;
SPFieldType fieldType = field.Type;
switch (fieldType)
{
case SPFieldType.Lookup:
SPFieldLookup newField = (SPFieldLookup)field;
fieldValue = newField.GetFieldValueAsText(version[field.StaticName]);
break;
case SPFieldType.User:
SPFieldUser newUser = (SPFieldUser)field;
fieldValue = newUser.GetFieldValueAsText(version[field.StaticName]);
break;
case SPFieldType.ModStat:
SPFieldModStat modStat = (SPFieldModStat)field;
fieldValue = modStat.GetFieldValueAsText(version[field.StaticName]);
break;
case SPFieldType.URL:
SPFieldUrl urlField = (SPFieldUrl)field;
fieldValue = urlField.GetFieldValueAsHtml(version[field.StaticName]);
break;
case SPFieldType.DateTime:
SPFieldDateTime newDateField = (SPFieldDateTime)field;
if (!string.IsNullOrEmpty(newDateField.GetFieldValueAsText(version[field.StaticName])))
{
if (newDateField.DisplayFormat == SPDateTimeFieldFormatType.DateTime)
{
fieldValue = DateTime.Parse(newDateField.GetFieldValueAsText(version[field.StaticName])).ToString();
}
else
{
fieldValue = DateTime.Parse(newDateField.GetFieldValueAsText(version[field.StaticName])).ToShortDateString();
}
}
break;
case SPFieldType.Invalid:
// http://sharepointnadeem.blogspot.com/2013/09/sharepoint-spfieldtype-is-invalid-for.html
if (field.TypeAsString.Equals("TaxonomyFieldType") || field.TypeAsString.Equals("TaxonomyFieldTypeMulti"))
{
TaxonomyField taxonomyField = field as TaxonomyField;
fieldValue = taxonomyField.GetFieldValueAsText(version[field.StaticName]);
}
else
{
fieldValue = version[field.StaticName].ToString();
}
break;
default:
fieldValue = version[field.StaticName].ToString();
break;
}
return(fieldValue);
}