private void FillData()
        {
            lvGrid.Items.Clear();
            var no = 0;

            foreach (var entity in entities.Entities)
            {
                var item = lvGrid.Items.Add((++no).ToString());
                item.SubItems.Add(entity.Id.Equals(Guid.Empty) ? "" : entity.Id.ToString());
                foreach (var column in columns)
                {
                    var col      = column.Key;
                    var valuestr = "";
                    if (entity.Contains(col))
                    {
                        var value = entity[col];
                        if (value != null)
                        {
                            try
                            {
                                if (form.currentSettings.gridFriendly)
                                {
                                    valuestr = EntitySerializer.AttributeToString(value, column.Value.Metadata);
                                }
                                else
                                {
                                    var basevalue = EntitySerializer.AttributeToBaseType(value);
                                    valuestr = basevalue != null?basevalue.ToString() : "";
                                }
                            }
                            catch
                            {
                                MessageBox.Show("Attribute " + col + " failed");
                            }
                        }
                    }
                    if (string.IsNullOrEmpty(valuestr))
                    {
                        valuestr = "<null>";
                    }
                    item.SubItems.Add(valuestr);
                }
            }
            lvGrid.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
        }
        private static string GetFormattedValue(Entity entity, IOrganizationService service, string attribute, string format)
        {
            if (!entity.Contains(attribute))
            {
                return(string.Empty);
            }
            var value    = entity[attribute];
            var metadata = MetadataHelper.GetAttribute(service, entity.LogicalName, attribute, value);

            if (EntitySerializer.AttributeToBaseType(value) is DateTime dtvalue && (dtvalue).Kind == DateTimeKind.Utc)
            {
                value = dtvalue.ToLocalTime();
            }
            if (!ValueTypeIsFriendly(value) && metadata != null)
            {
                value = EntitySerializer.AttributeToString(value, metadata, format);
            }
            else
            {
                value = EntitySerializer.AttributeToBaseType(value).ToString();
            }
            return(value.ToString());
        }