/// <summary>
/// Indicates whether the given value is unique in the database
/// </summary>
/// <param name="customUrl"></param>
/// <returns></returns>
public bool IsUnique(string customUrl)
{
// is a non-empty value provided?
if (!string.IsNullOrEmpty(customUrl))
{
// is the new value different from the existing value?
if (this.OriginalValue.ToUpperInvariant() != customUrl.ToUpperInvariant())
{
// make sure the new value does not appear in the database
return(!CustomUrlDataSource.IsAlreadyUsed(customUrl));
}
}
return(true);
}
private void UpdateField(Category category, string field)
{
if (field != null)
{
string cleanField = field.Trim().ToLowerInvariant();
string fieldValue = GetValueFromFormPost(category.Id, cleanField);
switch (cleanField)
{
case "customurl":
bool isValid = false;
string oldCustomUrl = category.CustomUrl;
string newCustomUrl = fieldValue.Trim();
if (!string.IsNullOrEmpty(newCustomUrl) && string.IsNullOrEmpty(oldCustomUrl) || oldCustomUrl != newCustomUrl)
{
isValid = !CustomUrlDataSource.IsAlreadyUsed(newCustomUrl);
}
else
{
isValid = true;
}
if (isValid)
{
category.CustomUrl = fieldValue;
}
break;
case "displaypage":
if (IsValidListItemValue(category, field, fieldValue, true))
{
category.Webpage = WebpageDataSource.Load(AlwaysConvert.ToInt(fieldValue));
}
break;
case "visibilityid":
if (IsValidListItemValue(category, field, fieldValue, false))
{
category.VisibilityId = AlwaysConvert.ToByte(fieldValue);
}
break;
case "description":
category.Description = fieldValue;
break;
case "metadescription":
category.MetaDescription = fieldValue;
break;
case "metakeywords":
category.MetaKeywords = fieldValue;
break;
case "name":
if (!string.IsNullOrEmpty(fieldValue))
{
category.Name = fieldValue;
}
break;
case "summary":
category.Summary = fieldValue;
break;
case "thumbnailalttext":
category.ThumbnailAltText = fieldValue;
break;
case "thumbnailurl":
category.ThumbnailUrl = fieldValue;
break;
case "pagetitle":
category.Title = fieldValue;
break;
case "htmlhead":
category.HtmlHead = fieldValue;
break;
}
}
}
){kind=link}