System.Web.UI.WebControls.FormView.FillRowDataKey C# (CSharp) Method

		void FillRowDataKey (object dataItem)
		{
			KeyTable.Clear ();

			if (cachedKeyProperties == null) {
				PropertyDescriptorCollection props = TypeDescriptor.GetProperties (dataItem);
				cachedKeyProperties = new PropertyDescriptor [DataKeyNames.Length];
				for (int n=0; n<DataKeyNames.Length; n++) { 
					PropertyDescriptor p = props.Find (DataKeyNames [n], true);
					if (p == null)
						throw new InvalidOperationException ("Property '" + DataKeyNames[n] + "' not found in object of type " + dataItem.GetType());
					cachedKeyProperties [n] = p;
				}
			}
			foreach (PropertyDescriptor p in cachedKeyProperties)
				KeyTable [p.Name] = p.GetValue (dataItem);
		}