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Getting a SharePoint Field Value In C#

Someone asked me this morning when doing a code review of my code how I got a field value. They were not looking very closely. Here is how I do it, although there are 50,000 other ways of doing it.

This is my getFieldValue helper method, that will be called at other instance points throughout the code.

  1. public static string getFieldValue(SPListItem listItem, string fieldName)
  2. {
  3. string text = string.Empty;
  4. if (fieldName == string.Empty)
  5. {
  6. return text;
  7. }
  8. try
  9. {
  10. object myObj = listItem[fieldName];
  11. return ((myObj != null) ? myObj.ToString() : string.Empty);
  12. }
  13. catch
  14. {
  15. return string.Empty;
  16. }
  17. }

Once the helper method is defined, then it can be consumed in something like a foreach loop to return SharePoint list items based on conditions. If the condition is not met, it will return null.

  1. private SPListItem getItemText(SPListItemCollection spItems, string text)
  2. {
  3. foreach (SPListItem item in spItems)
  4. {
  5. if (getFieldValue(item, this.myList.myColumn) == text)
  6. {
  7. return item;
  8. }
  9. }
  10. return null;
  11. }
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