server/AyaNova/DataList/AyaDataListFieldDefinition.cs

@@ -66,5 +66,10 @@ namespace AyaNova.DataList
             }
         }
 
+        public bool HasIdColumn()
+        {
+            return !string.IsNullOrWhiteSpace(SqlIdColumnName);
+        }
+
     }
 }

server/AyaNova/DataList/DataListSqlFilterCriteriaBuilder.cs

@@ -47,8 +47,6 @@ namespace AyaNova.DataList
                     throw new System.ArgumentNullException($"DEV ERROR in DataListSqlFilterCriteriaBuilder.cs: field {fld} specified in template was NOT found in ObjectFields list");
                 }
 #endif
-                var SQLValueColumnName = DataListField.GetSqlValueColumnName();
-                var SQLIdColumnName = DataListField.SqlIdColumnName;
 
                 //get filter items collection for this field view definition
                 var filterItems = (JArray)cm["filter"]["items"];
@@ -76,6 +74,9 @@ namespace AyaNova.DataList
                     var opType = filterItem["op"].Value<string>();
                     List<string> tagList = new List<string>();
                     string val = string.Empty;
+
+                    bool IsPossibleIdValue = filterItem["value"].Type == JTokenType.Integer;
+
                     if (filterItem["value"].Type != JTokenType.Array)
                         val = filterItem["value"].Value<string>();
                     else
@@ -83,7 +84,24 @@ namespace AyaNova.DataList
                         tagList = filterItem["value"].ToObject<List<String>>();
                     }
 
-                    sb.Append(DataFilterToColumnCriteria(SQLValueColumnName, (UiFieldDataType)dataType, opType, val, tagList, userId));
+                    //prep for possible ID field filter instead
+                    string columnNameToFilter = string.Empty;
+                    UiFieldDataType DataTypeToFilter = UiFieldDataType.NoType;
+                    //Check if filtering by ID rather than by name
+                    //this is indicated by this column being an id type
+                    //and by the comparison operator being eq or neq
+                    //and the value being a number not a string
+                    if (DataListField.HasIdColumn() && IsPossibleIdValue && (opType == DataListFilterComparisonOperator.Equality || opType == DataListFilterComparisonOperator.NotEqual))
+                    {
+                        columnNameToFilter = DataListField.SqlIdColumnName;
+                        DataTypeToFilter = UiFieldDataType.InternalId;
+                    }
+                    else
+                    {
+                        DataTypeToFilter = (UiFieldDataType)dataType;
+                        columnNameToFilter = DataListField.GetSqlValueColumnName();
+                    }
+                    sb.Append(DataFilterToColumnCriteria(columnNameToFilter, DataTypeToFilter, opType, val, tagList, userId));
 
                     //close this item parenthesis
                     if (y < filterItems.Count - 1)
@@ -411,6 +429,7 @@ namespace AyaNova.DataList
                     case UiFieldDataType.Enum://enums are just ints to the db, but it's a special type so the client can recognize it
                     case UiFieldDataType.Decimal:
                     case UiFieldDataType.Currency:
+                    case UiFieldDataType.InternalId:
                     case UiFieldDataType.Integer:    //whole numbers, not only integer                
                         {
                             //case 1795 - it's numeric, convert to locale independant format
@@ -437,6 +456,11 @@ namespace AyaNova.DataList
                                         }
                                     }
                                     break;
+                                case UiFieldDataType.InternalId:
+                                    {
+                                        //do nothing, it's a simple number
+                                    }
+                                    break;
                             }
 
 

server/AyaNova/DataList/TestWidgetDataList.cs

@@ -37,7 +37,7 @@ cm=new JObject();
             cm=new JObject();
             cm.fld="widgetname";
             dlistView.Add(cm);
-
+finish this
             // //name starts with filter to constrict to widgets that this test block created only
             // dynamic DataFilterNameStart = new JObject();
             // DataFilterNameStart.fld = "widgetname";

server/AyaNova/biz/UiFieldDataType.cs

@@ -32,7 +32,8 @@ namespace AyaNova.Biz
         Tags = 9,
         Enum = 10,
         EmailAddress = 11,
-        HTTP = 12
+        HTTP = 12,
+        InternalId = 13
 
     }
 }